69635426957636227776
69,635,426,957,636,227,776 is an even composite number composed of six prime numbers multiplied together.
69635426957636227776 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of one thousand, seven hundred sixty-four divisors.
Prime factorization of 69635426957636227776:
26 × 36 × 112 × 19 × 409 × 398412
(2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 3 × 3 × 3 × 3 × 11 × 11 × 19 × 409 × 39841 × 39841)See below for interesting mathematical facts about the number 69635426957636227776 from the Numbermatics database.
Names of 69635426957636227776
- Cardinal: 69635426957636227776 can be written as Sixty-nine quintillion, six hundred thirty-five quadrillion, four hundred twenty-six trillion, nine hundred fifty-seven billion, six hundred thirty-six million, two hundred twenty-seven thousand, seven hundred seventy-six.
Scientific notation
- Scientific notation: 6.9635426957636227776 × 1019
Factors of 69635426957636227776
Divisors of 69635426957636227776
- Number of divisors d(n): 1764
-
Complete list of divisors:
1 2 3 4 6 8 9 11 12 16 18 19 22 24 27 32 33 36 38 44 48 54 57 64 66 72 76 81 88 96 99 108 114 121 132 144 152 162 171 176 192 198 209 216 228 242 243 264 288 297 304 324 342 352 363 396 409 418 432 456 484 486 513 528 576 594 608 627 648 684 704 726 729 792 818 836 864 891 912 968 972 1026 1056 1089 1188 1216 1227 1254 1296 1368 1452 1458 1539 1584 1636 1672 1728 1782 1824 1881 1936 1944 2052 2112 2178 2299 2376 2454 2508 2592 2673 2736 2904 2916 3078 3168 3267 3272 3344 3564 3648 3681 3762 3872 3888 4104 4356 4499 4598 4617 4752 4908 5016 5184 5346 5472 5643 5808 5832 6156 6336 6534 6544 6688 6897 7128 7362 7524 7744 7771 7776 8019 8208 8712 8998 9196 9234 9504 9801 9816 10032 10692 10944 11043 11286 11616 11664 12312 13068 13088 13376 13497 13794 13851 14256 14724 15048 15542 15552 16038 16416 16929 17424 17996 18392 18468 19008 19602 19632 20064 20691 21384 22086 22572 23232 23313 23328 24624 26136 26176 26994 27588 27702 28512 29403 29448 30096 31084 32076 32832 33129 33858 34848 35992 36784 36936 39204 39264 39841 40128 40491 41382 42768 44172 45144 46626 46656 49248 49489 50787 52272 53988 55176 55404 57024 58806 58896 60192 62073 62168 64152 66258 67716 69696 69939 71984 73568 73872 78408 78528 79682 80982 82764 85481 85536 88209 88344 90288 93252 98496 98978 99387 101574 104544 107976 110352 110808 117612 117792 119523 120384 121473 124146 124336 128304 132516 135432 139878 143968 147136 147744 148467 152361 156816 159364 161964 165528 170962 171072 176418 176688 180576 186219 186504 197956 198774 203148 209088 209817 215952 220704 221616 235224 235584 239046 242946 248292 248672 256443 256608 265032 270864 279756 287936 295488 296934 298161 304722 313632 318728 323928 331056 341924 352836 353376 358569 361152 364419 372438 373008 395912 397548 406296 419634 431904 438251 441408 443232 445401 470448 478092 485892 496584 497344 512886 513216 530064 541728 558657 559512 593868 596322 609444 627264 629451 637456 647856 662112 683848 705672 706752 717138 728838 744876 746016 756979 769329 791824 795096 812592 839268 863808 876502 886464 890802 940291 940896 956184 971784 993168 1025772 1060128 1075707 1083456 1093257 1117314 1119024 1187736 1192644 1218888 1258902 1274912 1295712 1314753 1324224 1336203 1367696 1411344 1434276 1457676 1489752 1492032 1513958 1538658 1583648 1590192 1625184 1675971 1678536 1753004 1781604 1880582 1881792 1888353 1912368 1943568 1986336 2051544 2120256 2151414 2186514 2234628 2238048 2270937 2307987 2375472 2385288 2437776 2517804 2549824 2591424 2629506 2672406 2735392 2820873 2822688 2868552 2915352 2979504 3027916 3077316 3167296 3180384 3227121 3250368 3279771 3351942 3357072 3506008 3563208 3761164 3776706 3824736 3887136 3944259 3972672 4008609 4103088 4302828 4373028 4469256 4476096 4541874 4615974 4750944 4770576 4820761 4875552 5035608 5259012 5344812 5470784 5641746 5645376 5665059 5737104 5830704 5959008 6055832 6154632 6360768 6454242 6559542 6703884 6714144 6812811 6923961 7012016 7126416 7522328 7553412 7649472 7774272 7888518 8017218 8206176 8326769 8462619 8605656 8746056 8938512 9083748 9231948 9501888 9541152 9641522 9681363 9751104 10071216 10518024 10689624 11283492 11330118 11474208 11661408 11832777 11918016 12025827 12111664 12309264 12908484 13119084 13407768 13428288 13625622 13847922 14024032 14252832 14462283 15044656 15106824 15777036 16034436 16294969 16412352 16653538 16925238 17211312 17492112 17877024 18167496 18463896 19082304 19283044 19362726 20142432 20438433 20771883 21036048 21379248 22566984 22660236 22948416 23322816 23665554 24051654 24223328 24618528 24980307 25387857 25816968 26238168 26815536 27251244 27695844 28048064 28505664 28924566 29044089 30089312 30213648 31554072 32068872 32589938 33307076 33850476 34422624 34984224 35498331 35754048 36077481 36334992 36927792 38566088 38725452 40284864 40876866 41543766 42072096 42758496 43386849 45133968 45320472 47331108 48103308 48446656 48884907 49237056 49960614 50775714 51633936 52476336 53631072 54502488 55391688 57849132 58088178 60178624 60427296 61315299 62315649 63108144 64137744 65179876 66614152 67700952 68845248 69968448 70996662 72154962 72669984 73855584 74940921 76163571 77132176 77450904 81753732 83087532 84144192 85516992 86773698 90267936 90640944 91594459 94662216 96206616 97769814 99921228 101551428 103267872 104952672 106494993 107262144 109004976 110783376 115698264 116176356 120854592 122630598 124631298 126216288 128275488 130160547 130359752 133228304 135401904 141993324 144309924 145339968 146654721 147711168 149881842 152327142 154264352 154901808 163507464 166175064 173547396 179244659 180535872 181281888 183188918 183945897 189324432 192413232 195539628 199842456 203102856 206535744 209905344 212989986 218009952 221566752 224822763 228490713 231396528 232352712 245261196 249262596 252432576 256550976 260321094 260719504 266456608 270803808 274783377 283986648 288619848 293309442 299763684 304654284 308528704 309604411 309803616 319484979 327014928 332350128 347094792 358489318 362563776 366377836 367891794 378648864 384826464 390481641 391079256 399684912 406205712 425979972 436019904 439964163 443133504 449645526 456981426 462793056 464705424 490522392 498525192 520642188 521439008 532913216 537733977 541607616 549566754 551837691 567973296 577239696 586618884 599527368 609308568 619208822 619607232 638969958 654029856 664700256 674468289 685472139 694189584 716978636 732755672 735783588 757297728 769652928 780963282 782158512 799369824 812411424 824350131 851959944 879928326 899291052 913962852 925586112 928813233 929410848 981044784 997050384 1041284376 1042878016 1075467954 1099133508 1103675382 1135946592 1154479392 1171444923 1173237768 1199054736 1218617136 1238417644 1277939916 1308059712 1319892489 1329400512 1348936578 1370944278 1388379168 1433957272 1465511344 1471567176 1561926564 1564317024 1587305281 1598739648 1613201931 1624822848 1648700262 1703919888 1759856652 1798582104 1827925704 1857626466 1858821696 1962089568 1971691249 1994100768 2023404867 2082568752 2150935908 2198267016 2207350764 2271893184 2308958784 2342889846 2346475536 2398109472 2437234272 2473050393 2476835288 2555879832 2639784978 2697873156 2741888556 2776758336 2786439699 2867914544 2931022688 2943134352 3123853128 3128634048 3174610562 3226403862 3297400524 3405648521 3407839776 3514334769 3519713304 3597164208 3655851408 3715252932 3924179136 3943382498 3959677467 3988201536 4046809734 4165137504 4301871816 4396534032 4414701528 4685779692 4692951072 4761915843 4796218944 4839605793 4874468544 4946100786 4953670576 5111759664 5279569956 5395746312 5483777112 5572879398 5735829088 5862045376 5886268704 5915073747 6070214601 6247706256 6349221124 6452807724 6594801048 6811297042 6815679552 7028669538 7039426608 7194328416 7311702816 7419151179 7430505864 7886764996 7919354934 8093619468 8330275008 8359319097 8603743632 8793068064 8829403056 9371559384 9385902144 9523831686 9679211586 9892201572 9907341152 10216945563 10223519328 10559139912 10791492624 10967554224 11145758796 11471658176 11772537408 11830147494 11879032401 12140429202 12495412512 12698442248 12905615448 13189602096 13622594084 14057339076 14078853216 14285747529 14388656832 14518817379 14623405632 14838302358 14861011728 15773529992 15838709868 16187238936 16718638194 17207487264 17460358091 17586136128 17658806112 17745221241 18743118768 19047663372 19358423172 19784403144 19814682304 20433891126 20447038656 21118279824 21582985248 21935108448 22257453537 22291517592 23660294988 23758064802 24280858404 24990825024 25077957291 25396884496 25811230896 26379204192 27245188168 28114678152 28157706432 28571495058 29037634758 29676604716 29722023456 30158800339 30650836689 31547059984 31677419736 32374477872 33437276388 34414974528 34920716182 35317612224 35490442482 37462133731 37486237536 38095326744 38716846344 39568806288 40867782252 42236559648 42857242587 43165970496 43556452137 43870216896 44514907074 44583035184 47320589976 47516129604 48561716808 50155914582 50793768992 51622461792 52381074273 52758408384 53235663723 54490376336 56229356304 57142990116 58075269516 59353209432 59444046912 60317600678 61301673378 63094119968 63354839472 64748955744 66772360611 66874552776 69841432364 70980884964 74924267462 74972475072 75233871873 76190653488 77433692688 79137612576 81735564504 84473119296 85714485174 87112904274 89029814148 89166070368 90476401017 91952510067 94641179952 95032259208 97123433616 100311829164 101587537984 103244923584 104762148546 106471327446 108980752672 112386401193 112458712608 114285980232 116150539032 118706418864 120635201356 122603346756 126188239936 126709678944 128571727761 129497911488 130669356411 133544721222 133749105552 139682864728 141961769928 149848534924 150467743746 152381306976 154867385376 157143222819 158275225152 159706991169 163471129008 171428970348 174225808548 178059628296 178332140736 180952802034 183905020134 189282359904 190064518416 192063939001 194246867232 200623658328 209524297092 212942654892 217961505344 224772802386 224917425216 225701615619 228571960464 232301078064 237412837728 241270402712 245206693512 253419357888 257143455522 261338712822 267089442444 267498211104 271429203051 275857530201 279365729456 283923539856 299697069848 300935487492 304762613952 309734770752 314286445638 319413982338 326942258016 331746803729 337159203579 342857940696 348451617096 356119256592 361905604068 367810040268 378564719808 380129036832 384127878002 385715183283 388493734464 401247316656 419048594184 425885309784 449545604772 451403231238 457143920928 464602156128 471429668457 474825675456 479120973507 482540805424 490413387024 514286911044 522677425644 534178884888 534996422208 542858406102 551715060402 558731458912 567847079712 576191817003 599394139696 601870974984 628572891276 638827964676 649207859929 653884516032 663493607458 674318407158 685715881392 696903234192 712238513184 723811208136 735620080536 760258073664 768255756004 771430366566 802494633312 814287609153 827572590603 838097188368 851770619568 899091209544 902806462476 914287841856 929204312256 942859336914 958241947014 965081610848 980826774048 995240411187 1011477610737 1028573822088 1045354851288 1068357769776 1085716812204 1103430120804 1117462917824 1135694159424 1152383634006 1157145549849 1198788279392 1203741949968 1257145782552 1277655929352 1298415719858 1326987214916 1348636814316 1371431762784 1393806468384 1414289005371 1424477026368 1437362920521 1447622416272 1471240161072 1536511512008 1542860733132 1604989266624 1628575218306 1655145181206 1676194376736 1703541239136 1728575451009 1798182419088 1805612924952 1885718673828 1916483894028 1930163221696 1947623579787 1961653548096 1990480822374 2022955221474 2057147644176 2090709702576 2136715539552 2171433624408 2206860241608 2304767268012 2314291099698 2397576558784 2407483899936 2442862827459 2482717771809 2514291565104 2555311858704 2596831439716 2653974429832 2697273628632 2742863525568 2787612936768 2828578010742 2874725841042 2895244832544 2942480322144 2985721233561 3034432832211 3073023024016 3085721466264 3257150436612 3310290362412 3352388753472 3407082478272 3457150902018 3596364838176 3611225849904 3649214841019 3771437347656 3832967788056 3895247159574 3980961644748 4045910442948 4114295288352 4181419405152 4242867016113 4273431079104 4342867248816 4413720483216 4609534536024 4628582199396 4814967799872 4885725654918 4965435543618 5028583130208 5110623717408 5185726353027 5193662879432 5307948859664 5394547257264 5657156021484 5749451682084 5790489665088 5842870739361 5884960644288 5971442467122 6068865664422 6146046048032 6171442932528 6514300873224 6620580724824 6914301804036 7141286459219 7192729676352 7222451699808 7298429682038 7328588482377 7542874695312 7665935576112 7790494319148 7961923289496 8091820885896 8228590576704 8362838810304 8485734032226 8685734497632 8827440966432 8957163700683 9103298496633 9219069072048 9257164398792 9771451309836 9930871087236 10057166260416 10221247434816 10371452706054 10387325758864 10615897719328 10789094514528 10947644523057 11314312042968 11498903364168 11685741478722 11942884934244 12137731328844 12292092096064 12334949338651 12342885865056 12728601048339 13028601746448 13241161449648 13828603608072 14282572918438 14444903399616 14596859364076 14657176964754 15085749390624 15331871152224 15557179059081 15580988638296 15923846578992 16183641771792 16971468064452 17371468995264 17528612218083 17654881932864 17914327401366 18206596993266 18438138144096 18514328797584 19542902619672 19861742174472 20742905412108 20774651517728 21231795438656 21423859377657 21578189029056 21895289046114 21985765447131 22628624085936 22997806728336 23371482957444 23885769868488 24275462657688 24669898677302 24685771730112 25457202096678 26057203492896 26482322899296 26871491102049 27309895489899 27657207216144 28565145836876 29193718728152 29314353929508 30171498781248 30663742304448 31114358118162 31161977276592 31847693157984 32367283543584 32842933569171 33942936128904 35057224436166 35828654802732 36413193986532 36876276288192 37004848015953 37028657595168 39085805239344 39723484348944 41485810824216 41549303035456 42847718755314 43790578092228 43971530894262 45257248171872 45995613456672 46671537177243 46742965914888 47771539736976 48550925315376 49339797354604 50914404193356 52114406985792 52585836654249 52964645798592 53742982204098 54619790979798 55314414432288 57130291673752 58387437456304 58628707859016 62228716236324 62323954553184 63695386315968 64271578132971 64734567087168 65685867138342 67885872257808 70114448872332 71657309605464 72826387973064 74009696031906 74057315190336 78171610478688 78554151051409 79446968697888 80614473306147 82971621648432 85695437510628 87581156184456 87943061788524 90514496343744 91991226913344 93343074354486 93485931829776 95543079473952 97101850630752 98528800707513 98679594709208 101828808386712 105171673308498 107485964408196 109239581959596 110628828864576 111014544047859 114260583347504 116774874912608 117257415718032 124457432472648 124647909106368 128543156265942 131371734276684 135684442725161 135771744515616 140014611531729 140228897744664 143314619210928 145652775946128 148019392063812 156343220957376 157108302102818 157757509962747 158893937395776 161228946612294 165943243296864 171390875021256 175162312368912 175886123577048 186686148708972 186971863659552 191086158947904 192814734398913 194203701261504 197057601415026 197359189418416 203657616773424 210343346616996 214971928816392 218479163919192 222029088095718 228521166695008 233549749825216 234514831436064 235662453154227 241843419918441 248914864945296 257086312531884 262743468553368 271368885450322 271543489031232 280029223063458 280457795489328 286629238421856 291305551892256 295586402122539 296038784127624 314216604205636 315515019925494 322457893224588 331886486593728 333043632143577 342781750042512 350324624737824 351772247154096 373372297417944 373943727319104 385629468797826 394115202830052 394718378836832 407053328175483 407315233546848 420686693233992 429943857632784 436958327838384 444058176191436 457042333390016 469029662872128 471324906308454 473272529888241 483686839836882 497829729890592 514172625063768 525486937106736 542737770900644 560058446126916 560915590978656 573258476843712 578444203196739 582611103784512 591172804245078 592077568255248 628433208411272 631030039850988 644915786449176 666087264287154 685563500085024 700649249475648 703544494308192 706987359462681 746744594835888 771258937595652 788230405660104 789436757673664 814106656350966 814630467093696 841373386467984 859887715265568 873916655676768 886759206367617 888116352382872 942649812616908 946545059776482 967373679673764 995659459781184 999130896430731 1028345250127536 1050973874213472 1085475541801288 1120116892253832 1121831181957312 1156888406393478 1182345608490156 1184155136510496 1221159984526449 1256866416822544 1262060079701976 1289831572898352 1332174528574308 1371127000170048 1407088988616384 1413974718925362 1492528869976771 1493489189671776 1542517875191304 1576460811320208 1628213312701932 1682746772935968 1719775430531136 1735332609590217 1747833311353536 1773518412735234 1776232704765744 1885299625233816 1893090119552964 1934747359347528 1998261792861462 2056690500255072 2101947748426944 2120962078388043 2170951083602576 2240233784507664 2313776812786956 2364691216980312 2368310273020992 2442319969052898 2513732833645088 2524120159403952 2579663145796704 2660277619102851 2664349057148616 2827949437850724 2985057739953542 2986978379343552 2997392689292193 3085035750382608 3152921622640416 3256426625403864 3365493545871936 3470665219180434 3547036825470468 3552465409531488 3663479953579347 3770599250467632 3786180239105928 3869494718695056 3996523585722924 4113381000510144 4241924156776086 4341902167205152 4477586609930313 4480467569015328 4627553625573912 4729382433960624 4884639938105796 5027465667290176 5048240318807904 5159326291593408 5205997828770651 5320555238205702 5328698114297232 5655898875701448 5970115479907084 5994785378584386 6170071500765216 6305843245280832 6362886235164129 6512853250807728 6941330438360868 7094073650940936 7104930819062976 7326959907158694 7541198500935264 7572360478211856 7738989437390112 7993047171445848 8483848313552172 8683804334410304 8955173219860626 8960935138030656 8992178067876579 9255107251147824 9458764867921248 9769279876211592 10096480637615808 10411995657541302 10641110476411404 10657396228594464 10990439860738041 11311797751402896 11940230959814168 11989570757168772 12340143001530432 12725772470328258 13025706501615456 13432759829790939 13882660876721736 14188147301881872 14653919814317388 15082397001870528 15144720956423712 15477978874780224 15986094342891696 16967696627104344 17910346439721252 17984356135753158 18510214502295648 18917529735842496 19088658705492387 19538559752423184 20823991315082604 21282220952822808 21314792457188928 21980879721476082 22623595502805792 23880461919628336 23979141514337544 25451544940656516 26051413003230912 26865519659581878 27765321753443472 28376294603763744 29307839628634776 30289441912847424 31972188685783392 32971319582214123 33935393254208688 35820692879442504 35968712271506316 37020429004591296 38177317410984774 39077119504846368 40298279489372817 41647982630165208 42564441905645616 43961759442952164 45247191005611584 47760923839256672 47958283028675088 50903089881313032 53731039319163756 55530643506886944 56752589207527488 57265976116477161 58615679257269552 63944377371566784 65942639164428246 67870786508417376 71641385758885008 71937424543012632 76354634821969548 78154239009692736 80596558978745634 83295965260330416 85128883811291232 87923518885904328 95521847678513344 95916566057350176 98913958746642369 101806179762626064 107462078638327512 111061287013773888 114531952232954322 117231358514539104 120894838468118451 131885278328856492 135741573016834752 143282771517770016 143874849086025264 152709269643939096 161193117957491268 166591930520660832 170257767622582464 175847037771808656 191833132114700352 197827917493284738 203612359525252128 214924157276655024 229063904465908644 234462717029078208 241789676936236902 263770556657712984 286565543035540032 287749698172050528 305418539287878192 322386235914982536 333183861041321664 351694075543617312 362684515404355353 395655834986569476 407224719050504256 429848314553310048 458127808931817288 483579353872473804 527541113315425968 575499396344101056 610837078575756384 644772471829965072 703388151087234624 725369030808710706 791311669973138952 859696629106620096 916255617863634576 967158707744947608 1055082226630851936 1088053546213066059 1221674157151512768 1289544943659930144 1450738061617421412 1582623339946277904 1832511235727269152 1934317415489895216 2110164453261703872 2176107092426132118 2579089887319860288 2901476123234842824 3165246679892555808 3665022471454538304 3868634830979790432 4352214184852264236 5802952246469685648 6330493359785111616 7737269661959580864 8704428369704528472 11605904492939371296 17408856739409056944 23211808985878742592 34817713478818113888 69635426957636227776
- Sum of all divisors σ(n): 240303855195262021800
- Sum of proper divisors (its aliquot sum) s(n): 170668428237625794024
- 69635426957636227776 is an abundant number, because the sum of its proper divisors (170668428237625794024) is greater than itself. Its abundance is 101033001279989566248
Bases of 69635426957636227776
- Binary: 1111000110011000101011101111011111101010001001000101010010110000002
- Hexadecimal: 0x3C662BBDFA89152C0
- Base-36: EP22AP8B0J000
Squares and roots of 69635426957636227776
- 69635426957636227776 squared (696354269576362277762) is 4849092687572290265496729901046953906176
- 69635426957636227776 cubed (696354269576362277763) is 337668639656248167896431653421556430561080482741732869144576
-
The
square root of 69635426957636227776 is 8344784416.4865174651 -
The
cube root of 69635426957636227776 is 4114118.0353145863
Scales and comparisons
How big is 69635426957636227776?- 69,635,426,957,636,227,776 seconds is equal to 293,274,701,009 years, 3 weeks, 3 days, 15 hours, 30 minutes, 7 seconds.
-
To count from 1 to 69,635,426,957,636,227,776 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 69635426957636227776 cubic inches would be around 342843.2 feet tall.
Recreational maths with 69635426957636227776
- 69635426957636227776 backwards is 67772263675962453696
- 69635426957636227776 is a
Harshad number . - The number of decimal digits it has is: 20
- The sum of 69635426957636227776's digits is 108
- 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 69635426957636227776 - Facts about the integer". Numbermatics.com. 2024. Web. 18 June 2024.
APA style:
Numbermatics. (2024). Number 69635426957636227776 - Facts about the integer. Retrieved 18 June 2024, from https://numbermatics.com/n/69635426957636227776/
Chicago style:
Numbermatics. 2024. "Number 69635426957636227776 - Facts about the integer". https://numbermatics.com/n/69635426957636227776/
The information we have on file for 69635426957636227776 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 69635426957636227776, math, Factors of 69635426957636227776, curriculum, school, college, exams, university, Prime factorization of 69635426957636227776, STEM, science, technology, engineering, physics, economics, calculator, sixty-nine quintillion, six hundred thirty-five quadrillion, four hundred twenty-six trillion, nine hundred fifty-seven billion, six hundred thirty-six million, two hundred twenty-seven thousand, seven hundred seventy-six.