915129389175320403396
915,129,389,175,320,403,396 is an even composite number composed of six prime numbers multiplied together.
915129389175320403396 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of one thousand, seven hundred one divisors.
Prime factorization of 915129389175320403396:
22 × 36 × 132 × 1732 × 2232 × 11172
(2 × 2 × 3 × 3 × 3 × 3 × 3 × 3 × 13 × 13 × 173 × 173 × 223 × 223 × 1117 × 1117)See below for interesting mathematical facts about the number 915129389175320403396 from the Numbermatics database.
Names of 915129389175320403396
- Cardinal: 915129389175320403396 can be written as Nine hundred fifteen quintillion, one hundred twenty-nine quadrillion, three hundred eighty-nine trillion, one hundred seventy-five billion, three hundred twenty million, four hundred three thousand, three hundred ninety-six.
Scientific notation
- Scientific notation: 9.15129389175320403396 × 1020
Factors of 915129389175320403396
Divisors of 915129389175320403396
- Number of divisors d(n): 1701
-
Complete list of divisors:
1 2 3 4 6 9 12 13 18 26 27 36 39 52 54 78 81 108 117 156 162 169 173 223 234 243 324 338 346 351 446 468 486 507 519 669 676 692 702 729 892 972 1014 1038 1053 1117 1338 1404 1458 1521 1557 2007 2028 2076 2106 2234 2249 2676 2899 2916 3042 3114 3159 3351 4014 4212 4468 4498 4563 4671 5798 6021 6084 6228 6318 6702 6747 8028 8697 8996 9126 9342 9477 10053 11596 12042 12636 13404 13494 13689 14013 14521 17394 18063 18252 18684 18954 20106 20241 24084 26091 26988 27378 28026 29042 29237 29929 30159 34788 36126 37687 37908 38579 40212 40482 41067 42039 43563 49729 52182 54189 54756 56052 58084 58474 59858 60318 60723 72252 75374 77158 78273 80964 82134 84078 87126 87711 89787 90477 99458 104364 108378 113061 115737 116948 119716 120636 121446 123201 126117 130689 149187 150748 154316 156546 162567 164268 168156 174252 175422 179574 180954 182169 188773 193241 198916 216756 226122 231474 234819 242892 246402 249091 252234 261378 263133 269361 271431 298374 313092 325134 339183 347211 350844 359148 361908 364338 377546 386482 389077 392067 447561 452244 462948 469638 492804 498182 501527 504468 522756 526266 538722 542862 546507 566319 579723 596748 646477 650268 678366 694422 704457 728676 747273 755092 772964 778154 784134 789399 808083 814293 895122 939276 996364 1003054 1017549 1041633 1052532 1077444 1085724 1093014 1132638 1159446 1167231 1176201 1247689 1292954 1342683 1356732 1388844 1408914 1494546 1504581 1556308 1568268 1578798 1616166 1628586 1639521 1698957 1739169 1790244 1939431 2006108 2035098 2083266 2113371 2186028 2241819 2265276 2318892 2334462 2352402 2368197 2424249 2495378 2512133 2585908 2685366 2817828 2989092 3009162 3052647 3124899 3157596 3232332 3238183 3257172 3279042 3397914 3478338 3501693 3528603 3743067 3878862 4028049 4070196 4166532 4226742 4483638 4513743 4668924 4704804 4736394 4848498 4990756 5024266 5058001 5096871 5217507 5370732 5818293 6018324 6105294 6249798 6476366 6519851 6558084 6674167 6725457 6795828 6956676 7003386 7057206 7104591 7272747 7486134 7536399 7757724 8056098 8404201 8453484 8603117 8967276 9027486 9157941 9374697 9472788 9696996 9714549 10048532 10116002 10193742 10435014 10505079 10585809 11229201 11636586 12084147 12210588 12499596 12952732 13039702 13348334 13450914 13541229 14006772 14114412 14209182 14545494 14972268 15072798 15174003 15290613 15652521 16112196 16219957 16808402 17206234 17454879 18054972 18315882 18749394 19429098 19559553 20022501 20176371 20232004 20387484 20870028 21010158 21171618 21313773 21818241 22458402 22609197 23273172 24168294 25212603 25809351 26079404 26696668 26901828 27082458 27473823 28124091 28418364 29090988 29143647 30145596 30348006 30581226 31305042 31515237 32439914 32657729 33430693 33616804 33687603 34412468 34909758 36252441 36631764 37498788 38858196 39119106 40045002 40352742 40623687 42020316 42096379 42343236 42627546 43092743 43636482 44916804 45218394 45522009 45871839 46957563 48336588 48659871 50425206 51618702 52364637 54164916 54947646 55547293 56248182 58287294 58678659 60067503 60529113 60696012 61162452 62610084 63030474 64879828 65315458 66861386 67375206 67827591 69819516 72504882 75637809 77428053 78238212 80090004 80705484 81247374 84192758 85255092 86185486 86764171 87272964 87430941 90436788 91044018 91743678 93915126 94545711 97319742 97973187 100292079 100850412 101062809 103237404 104729274 109895292 111094586 111840521 112496364 116574588 117357318 120135006 121058226 121871061 126060948 126289137 129278229 130630916 133722772 134750412 135655182 136566027 137615517 140872689 145009764 145979613 151275618 154856106 157093911 162494748 166641879 168385516 172370972 173528342 174861882 176035977 180202509 181587339 182088036 183487356 187830252 189091422 194639484 195946374 200584158 202125618 203482773 209458548 210859441 215850197 222189172 223681042 226913427 232284159 234714636 240270012 242116452 243742122 252578274 258556458 260292513 262292823 271310364 273132054 275231034 278234647 281745378 283637133 291959226 293919561 300876237 302551236 303188427 309712212 314187822 333283758 335521563 347056684 349723764 352071954 360405018 363174678 365613183 378182844 378867411 387834687 391892748 401168316 404251236 406965546 409698081 421718882 431700394 434599009 437938839 447362084 453826854 464568318 471281733 487484244 499925637 505156548 517112916 520585026 524585646 528107931 540607527 546264108 550462068 556469294 560205659 563490756 567274266 583918452 587839122 601752474 606376854 610448319 628375644 632578323 647550591 666567516 671043126 680740281 696852477 704143908 720810036 722114809 726349356 731226366 757734822 775669374 780877539 786878469 813931092 819396162 834703941 843437764 863400788 869198018 875877678 881758683 902628711 907653708 909565281 929136636 942563466 999851274 1006564689 1041170052 1049171292 1056215862 1081215054 1112938588 1120411318 1127934223 1134548532 1136602233 1163504061 1175678244 1203504948 1212753708 1220896638 1229094243 1265156646 1295101182 1303797027 1313816517 1342086252 1361480562 1393704954 1444229618 1453926773 1462452732 1488339241 1499776911 1515469644 1551338748 1561755078 1573756938 1584323793 1621822581 1638792324 1669407882 1680616977 1738396036 1751755356 1763517366 1805257422 1819130562 1831344957 1885126932 1897734969 1942651773 1999702548 2013129378 2042220843 2090557431 2112431724 2162430108 2166344427 2240822636 2255868446 2273204466 2327008122 2342632617 2360635407 2441793276 2458188486 2504111823 2530313292 2590202364 2607594054 2627633034 2645276049 2707886133 2722961124 2787409908 2806052561 2888459236 2907853546 2976678482 2999553822 3019694067 3123510156 3147513876 3168647586 3243645162 3338815764 3361233954 3383802669 3409806699 3490512183 3527034732 3610514844 3617050411 3638261124 3662689914 3687282729 3795469938 3885303546 3911391081 3941449551 4026258756 4084441686 4181114862 4332688854 4361780319 4465017723 4499330733 4511736892 4546408932 4654016244 4685265234 4721270814 4752971379 4865467743 4916376972 5008223646 5041850931 5215188108 5255266068 5290552098 5415772266 5612105122 5649787117 5693204907 5815707092 5827955319 5953356964 5999107644 6039388134 6126662529 6271672293 6337295172 6487290324 6499033281 6722467908 6767605338 6819613398 6981024366 7027897851 7234100822 7282673567 7325379828 7374565458 7455044539 7512335469 7590939876 7770607092 7822782162 7882899102 7935828147 8123658399 8168883372 8362229724 8418157683 8665377708 8723560638 8930035446 8998661466 9059082201 9370530468 9387492517 9442541628 9505942758 9609681689 9730935486 10016447292 10083701862 10151408007 10229420097 10471536549 10581104196 10831544532 10851151233 11224210244 11299574234 11386409814 11655910638 11734173243 11824348653 12078776268 12253325058 12543344586 12998066562 13085340957 13395053169 13497992199 13535210676 13639226796 13962048732 14055795702 14468201644 14565347134 14749130916 14910089078 15024670938 15125552793 15645564324 15765798204 15871656294 16247316798 16836315366 16949361351 17079614721 17447121276 17483865957 17860070892 17997322932 18118164402 18774985034 19011885516 19219363378 19348410133 19461870972 19497099843 20167403724 20302816014 20458840194 20943073098 21083693553 21702302466 21848020701 22365133617 22537006407 22599148468 22772819628 23311821276 23468346486 23648697306 23807484441 24370975197 24506650116 25086689172 25254473049 25996133124 26170681914 26790106338 26995984398 27177246603 28111591404 28162477551 28829045067 29130694268 29820178156 30049341876 30251105586 30454224021 30688260291 31414609647 31743312588 32494633596 32553453699 33672630732 33898722702 34159229442 34967731914 35202519729 36236328804 36478683293 37342084081 37549970068 38438726756 38696820266 38994199686 39256022871 40185159507 40493976597 40605632028 40917680388 41886146196 42167387106 43404604932 43696041402 44730267234 45074012814 45376658379 46936692972 47021655343 47297394612 47614968882 48134593931 48741950394 50508946098 50848084053 51238844163 52341363828 52451597871 53580212676 53991968796 54354493206 56324955102 57658090134 58045230399 58491299529 60502211172 60908448042 61376520582 62046326281 62829219294 63251080659 65106907398 65544062103 67095400851 67611019221 67797445404 68318458884 69935463828 70405039458 72957366586 74684168162 75763419147 77393640532 77988399372 78512045742 80370319014 80987953194 81531739809 84334774212 84487432653 86487135201 87392082804 89460534468 90148025628 90753316758 91362672063 94043310686 95229937764 96269187862 96915579007 97483900788 97660361097 101017892196 101696168106 102477688326 104903195742 105607559187 108708986412 109436049879 112026252243 112649910204 115316180268 116090460798 116982599058 117768068613 120555478521 121816896084 122753041164 124092652562 124925861957 125658438588 126502161318 130213814796 131088124206 134190801702 135222038442 136129975137 140810078916 141064966029 144403781793 145914733172 149368336324 151526838294 152544252159 153716532489 157024091484 157354793613 160740638028 161975906388 163063479618 168974865306 172974270402 174135691197 175473898587 181506633516 182725344126 186138978843 188086621372 192538375724 193831158014 195320722194 196632186309 201286202553 202833057663 203392336212 204955376652 209806391484 211215118374 218872099758 224052504486 227290257441 232180921596 233965198116 235536137226 241110957042 248185305124 249851723914 251529331729 253004322636 253462297959 259461405603 262176248412 268381603404 270444076884 272259950274 274088016189 282129932058 288807563586 290746737021 292981083291 303053676588 305088504318 307433064978 314709587226 316822677561 326126959236 328308149637 336078756729 337949730612 345948540804 348271382394 350947797174 353304205839 361666435563 365450688252 372277957686 374777585871 387662316028 390641444388 393264372618 402572405106 405666115326 408389925411 422430236748 423194898087 433211345379 437744199516 448105008972 454580514882 457632756477 471072274452 482221914084 485447093053 499703447828 503058663458 506924595918 518922811206 522407073591 526421695761 544519900548 548176032378 558416936529 564259864116 577615127172 581493474042 585962166582 589896558927 603858607659 610177008636 614866129956 625749721103 629419174452 633645355122 656616299274 672157513458 681870772323 696542764788 701895594348 706608411678 723332871126 744555915372 749555171742 754587995187 760386893877 778384216809 786528745236 805144810212 806602241653 811332230652 816779850822 822264048567 846389796174 866422690758 872240211063 878943249873 909161029764 915265512954 970894186106 984924448911 1006117326916 1008236270187 1013849191836 1037845622412 1044814147182 1052843391522 1059912617517 1084999306689 1096352064756 1116833873058 1124332757613 1162986948084 1171924333164 1179793117854 1207717215318 1251499442206 1259902527091 1267290710244 1269584694261 1299634036137 1313232598548 1344315026916 1363741544646 1372898269431 1413216823356 1446665742252 1456341279159 1499110343484 1509175990374 1520773787754 1556768433618 1567221220773 1613204483306 1624036205441 1633559701644 1644528097134 1662474932197 1675250809587 1692779592348 1732845381516 1744480422126 1757886499746 1769689676781 1811575822977 1830531025908 1877249163309 1941788372212 1969848897822 2016472540374 2045612316969 2089628294364 2105686783044 2119825235034 2169998613378 2233667746116 2248665515226 2263763985561 2281160681631 2335152650427 2359586235708 2415434430636 2419806724959 2502998884412 2519805054182 2539169388522 2599268072274 2616720633189 2636829749619 2727483089292 2745796538862 2912682558318 2954773346733 3018351980748 3024708810561 3041547575508 3113536867236 3134442441546 3226408966612 3248072410882 3289056194268 3324949864394 3350501619174 3372998272839 3488960844252 3515772999492 3539379353562 3623151645954 3754498326618 3779707581273 3808754082783 3898902108411 3939697795644 4032945080748 4091224633938 4118694808293 4239650470068 4339997226756 4369023837477 4497331030452 4527527971122 4562321363262 4670305300854 4701663662319 4839613449918 4872108616323 4987424796591 5025752428761 5039610108364 5078338777044 5198536144548 5233441266378 5273659499238 5309069030343 5434727468931 5491593077724 5631747489927 5825365116636 5909546693466 6049417621122 6268884883092 6310812209689 6496144821764 6649899728788 6701003238348 6745996545678 6791291956683 6843482044893 7005457951281 7078758707124 7246303291908 7259420174877 7508996653236 7559415162546 7617508165566 7797804216822 7850161899567 8134746374339 8182449267876 8237389616586 8327284750063 8738047674954 8864320040199 9055055942244 9074126431683 9124642726524 9340610601708 9403327324638 9679226899836 9744217232646 9974849593182 10051504857522 10118994818517 10466882532756 10485829141489 10547318998476 10618138060686 10734014446613 10869454937862 11263494979854 11339122743819 11426262248349 11696706325233 11819093386932 12098835242244 12621624419378 13107071512431 13491993091356 13582583913366 13686964089786 14010915902562 14104990986957 14518840349754 14616325848969 14962274389773 15077257286283 15118830325092 15235016331132 15595608433644 15700323799134 16269492748678 16474779233172 16654569500126 16895242469781 17476095349908 17728640080398 18148252863366 18806654649276 18932436629067 19488434465292 19949699186364 20103009715044 20237989637034 20373875870049 20971658282978 21236276121372 21468028893226 21612174118561 21738909875724 21778260524631 22526989959708 22678245487638 22852524496698 23393412650466 23550485698701 24404239123017 24981854250189 25243248838756 26214143024862 26592960120597 27165167826732 27222379295049 27373928179572 28021831805124 28209981973914 29037680699508 29232651697938 29924548779546 30154514572566 30356984455551 31400647598268 31457487424467 32202043339839 32538985497356 33309139000252 33790484939562 34017368231457 34278786745047 35090118975699 35457280160796 36296505726732 37864873258134 39321214537293 40475979274068 40747751740098 41943316565956 42936057786452 43224348237122 43556521049262 43848977546907 44886823169319 45231771858849 45356490975276 45705048993396 46786825300932 47100971397402 48808478246034 49963708500378 50685727409343 52428286049724 53185920241194 54444758590098 56419963947828 56797309887201 58465303395876 59849097559092 60309029145132 60713968911102 61121627610147 62914974848934 64404086679678 64836522355683 65334781573893 67580969879124 68034736462914 68557573490094 70180237951398 70651457096103 73212717369051 74945562750567 75729746516268 78642429074586 81495503480196 86448696474244 87113042098524 87697955093814 89773646338638 90463543717698 91070953366653 94201942794804 94372462273401 96606130019517 97616956492068 99927417000756 101371454818686 102052104694371 106371840482388 108254701750819 108889517180196 113594619774402 117963643611879 121427937822204 122243255220294 125829949697868 128808173359356 129673044711366 130669563147786 131546932640721 134660469507957 136069472925828 137115146980188 139542187805969 140360475902796 141302914192206 146425434738102 149891125501134 152057182228029 157284858149172 170391929661603 175395910187628 179547292677276 180927087435396 182141906733306 183364882830441 188744924546802 193212260039034 194509567067049 196004344721679 202742909637372 204104209388742 216509403501638 219638152107153 224836688251701 227189239548804 235927287223758 244486510440588 259346089422732 261339126295572 263093865281442 269320939015914 279084375611938 280958263541293 282605828384412 283117386820203 289818390058551 292850869476204 299782251002268 304114364456058 306156314083113 324764105252457 340783859323206 353890930835637 364283813466612 366729765660882 377489849093604 386424520078068 389019134134098 392008689443358 394640797922163 403981408523871 408208418777484 418626563417907 433018807003276 439276304214306 449673376503402 456171546684087 471854574447516 511175788984809 526187730562884 538641878031828 558168751223876 561916527082586 566234773640406 579636780117102 583528701201147 588013034165037 608228728912116 612312628166226 649528210504914 658914456321459 674510064755103 681567718646412 707781861671274 733459531321764 778038268268196 784017378886716 789281595844326 807962817047742 837253126835814 842874790623879 849352160460609 869455170175653 878552608428612 899346753006804 912343093368174 918468942249339 974292315757371 1022351577969618 1123833054165172 1132469547280812 1159273560234204 1167057402402294 1176026068330074 1183922393766489 1211944225571613 1224625256332452 1255879690253721 1299056421009828 1317828912642918 1349020129510206 1407311122760647 1415563723342548 1533527366954427 1578563191688652 1615925634095484 1674506253671628 1685749581247758 1698704320921218 1738910340351306 1750586103603441 1814048441477597 1824686186736348 1836937884498678 1856984499264049 1948584631514742 1976743368964377 2023530194265309 2044703155939236 2334114804804588 2352052136660148 2367844787532978 2423888451143226 2511759380507442 2528624371871637 2548056481381827 2608365510526959 2635657825285836 2698040259020412 2814622245521294 2922876947272113 3067054733908854 3371499162495516 3397408641842436 3477820680702612 3501172207206882 3628096882955194 3673875768997356 3713968998528098 3767639070761163 3897169263029484 3953486737928754 4047060388530618 4221933368281941 4600582100863281 4735689575065956 4847776902286452 5023518761014884 5057248743743274 5096112962763654 5216731021053918 5251758310810323 5442145324432791 5570953497792147 5629244491042588 5845753894544226 5930230106893131 6070590582795927 6134109467817708 7002344414413764 7256193765910388 7427937997056196 7535278141522326 7585873115614911 7644169444145481 7825096531580877 7906973475857508 8094120777061236 8443866736563882 8768630841816339 9201164201726562 10114497487486548 10192225925527308 10433462042107836 10503516621620646 10884290648865582 11141906995584294 11302917212283489 11691507789088452 11860460213786262 12141181165591854 12665800104845823 15070556283044652 15171746231229822 15288338888290962 15650193063161754 15755274932430969 16326435973298373 16712860493376441 16887733473127764 17537261683632678 18402328403453124 21007033243241292 21768581297731164 22283813991168588 22605834424566978 22757619346844733 23720920427572524 24140798490432637 24282362331183708 25331600209691646 26305892525449017 30343492462459644 30576677776581924 31300386126323508 31510549864861938 32652871946596746 33425720986752882 33908751636850467 35074523367265356 37997400314537469 45211668849133956 45515238693689466 48281596980865274 48979307919895119 50138581480129323 50663200419383292 52611785050898034 63021099729723876 65305743893193492 66851441973505764 67817503273700934 68272858040534199 72422395471297911 75994800629074938 78917677576347051 91030477387378932 96563193961730548 97958615839790238 100277162960258646 101726254910551401 105223570101796068 113992200943612407 135635006547401868 136545716081068398 144844790942595822 146937923759685357 150415744440387969 151989601258149876 157835355152694102 195917231679580476 200554325920517292 203452509821102802 204818574121602597 217267186413893733 227984401887224814 273091432162136796 289689581885191644 293875847519370714 300831488880775938 313830380375624281 315670710305388204 341976602830837221 406905019642205604 409637148243205194 434534372827787466 440813771279056071 451247233321163907 455968803774449628 587751695038741428 601662977761551876 627660760751248562 651801559241681199 683953205661674442 819274296486410388 869068745655574932 881627542558112142 902494466642327814 941491141126872843 1025929808492511663 1255321521502497124 1303603118483362398 1322441313837168213 1353741699963491721 1367906411323348884 1763255085116224284 1804988933284655628 1882982282253745686 1955404677725043597 2051859616985023326 2607206236966724796 2644882627674336426 2707483399926983442 2824473423380618529 3765964564507491372 3910809355450087194 4103719233970046652 5289765255348672852 5414966799853966884 5648946846761237058 5866214033175130791 7821618710900174388 8473420270141855587 11297893693522474116 11732428066350261582 16946840540283711174 17598642099525392373 23464856132700523164 25420260810425566761 33893681080567422348 35197284199050784746 50840521620851133522 70394568398101569492 76260782431276700283 101681043241702267044 152521564862553400566 228782347293830100849 305043129725106801132 457564694587660201698 915129389175320403396
- Sum of all divisors σ(n): 2629274747161468006629
- Sum of proper divisors (its aliquot sum) s(n): 1714145357986147603233
- 915129389175320403396 is an abundant number, because the sum of its proper divisors (1714145357986147603233) is greater than itself. Its abundance is 799015968810827199837
Bases of 915129389175320403396
- Binary: 11000110011011111110001011001011100100010000110010110011011101110001002
- Hexadecimal: 0x319BF8B2E4432CDDC4
- Base-36: 5D4Q2EGYIZPK90
Squares and roots of 915129389175320403396
- 915129389175320403396 squared (9151293891753204033962) is 837461798932395028308767253934936168332816
- 915129389175320403396 cubed (9151293891753204033963) is 766385904514667654980407218932203896083759232099043861904643136
-
915129389175320403396 is a
perfect square number . Itssquare root is 30251105586 -
The
cube root of 915129389175320403396 is 9708694.4724448397
Scales and comparisons
How big is 915129389175320403396?- 915,129,389,175,320,403,396 seconds is equal to 293,274,701,009 years, 3 weeks, 3 days, 15 hours, 30 minutes, 7 seconds.
-
To count from 1 to 915,129,389,175,320,403,396 would take you about two hundred ninety-three billion, two hundred seventy-four million, seven hundred one thousand and nine years!
This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)
- A cube with a volume of 915129389175320403396 cubic inches would be around 809057.9 feet tall.
Recreational maths with 915129389175320403396
- 915129389175320403396 backwards is 693304023571983921519
- The number of decimal digits it has is: 21
- The sum of 915129389175320403396's digits is 90
- More coming soon!
Link to this page
HTML: To link to this page, just copy and paste the link below into your blog, web page or email.
BBCODE: To link to this page in a forum post or comment box, just copy and paste the link code below:
Cite this page
MLA style:
"Number 915129389175320403396 - Facts about the integer". Numbermatics.com. 2024. Web. 7 June 2024.
APA style:
Numbermatics. (2024). Number 915129389175320403396 - Facts about the integer. Retrieved 7 June 2024, from https://numbermatics.com/n/915129389175320403396/
Chicago style:
Numbermatics. 2024. "Number 915129389175320403396 - Facts about the integer". https://numbermatics.com/n/915129389175320403396/
The information we have on file for 915129389175320403396 includes mathematical data and numerical statistics calculated using standard algorithms and methods. We are adding more all the time. If there are any features you would like to see, please contact us. Information provided for educational use, intellectual curiosity and fun!
Keywords: Divisors of 915129389175320403396, math, Factors of 915129389175320403396, curriculum, school, college, exams, university, Prime factorization of 915129389175320403396, STEM, science, technology, engineering, physics, economics, calculator, nine hundred fifteen quintillion, one hundred twenty-nine quadrillion, three hundred eighty-nine trillion, one hundred seventy-five billion, three hundred twenty million, four hundred three thousand, three hundred ninety-six.