29853412450369536
29,853,412,450,369,536 is an even composite number composed of six prime numbers multiplied together.
29853412450369536 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of two thousand and sixteen divisors.
Prime factorization of 29853412450369536:
220 × 3 × 73 × 292 × 167 × 197
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 7 × 7 × 7 × 29 × 29 × 167 × 197)See below for interesting mathematical facts about the number 29853412450369536 from the Numbermatics database.
Names of 29853412450369536
- Cardinal: 29853412450369536 can be written as Twenty-nine quadrillion, eight hundred fifty-three trillion, four hundred twelve billion, four hundred fifty million, three hundred sixty-nine thousand, five hundred thirty-six.
Scientific notation
- Scientific notation: 2.9853412450369536 × 1016
Factors of 29853412450369536
Divisors of 29853412450369536
- Number of divisors d(n): 2016
-
Complete list of divisors:
1 2 3 4 6 7 8 12 14 16 21 24 28 29 32 42 48 49 56 58 64 84 87 96 98 112 116 128 147 167 168 174 192 196 197 203 224 232 256 294 334 336 343 348 384 392 394 406 448 464 501 512 588 591 609 668 672 686 696 768 784 788 812 841 896 928 1002 1024 1029 1169 1176 1182 1218 1336 1344 1372 1379 1392 1421 1536 1568 1576 1624 1682 1792 1856 2004 2048 2058 2338 2352 2364 2436 2523 2672 2688 2744 2758 2784 2842 3072 3136 3152 3248 3364 3507 3584 3712 4008 4096 4116 4137 4263 4676 4704 4728 4843 4872 5046 5344 5376 5488 5516 5568 5684 5713 5887 6144 6272 6304 6496 6728 7014 7168 7424 8016 8183 8192 8232 8274 8526 9352 9408 9456 9653 9686 9744 9947 10092 10688 10752 10976 11032 11136 11368 11426 11774 12288 12544 12608 12992 13456 14028 14336 14529 14848 16032 16366 16384 16464 16548 17052 17139 17661 18704 18816 18912 19306 19372 19488 19894 20184 21376 21504 21952 22064 22272 22736 22852 23548 24549 24576 25088 25216 25984 26912 28056 28672 28959 29058 29696 29841 32064 32732 32768 32899 32928 33096 33901 34104 34278 35322 37408 37632 37824 38612 38744 38976 39788 39991 40368 41209 42752 43008 43904 44128 44544 45472 45704 47096 49098 49152 50176 50432 51968 53824 56112 57281 57344 57918 58116 59392 59682 64128 65464 65536 65798 65856 66192 67571 67802 68208 68556 70644 74816 75264 75648 77224 77488 77952 79576 79982 80736 82418 85504 86016 87808 88256 89088 90944 91408 94192 98196 98304 98697 100352 100864 101703 103936 107648 112224 114562 114688 115836 116232 118784 119364 119973 123627 128256 130928 131072 131596 131712 132384 135142 135604 136416 137112 140447 141288 149632 150528 151296 154448 154976 155904 159152 159964 161472 164836 165677 171008 171843 172032 175616 176512 178176 181888 182816 188384 196392 196608 197394 200704 201728 202713 203406 207872 215296 224448 229124 229376 230293 231672 232464 237307 237568 238728 239946 247254 256512 261856 262144 263192 263424 264768 270284 271208 272832 274224 279937 280894 282576 288463 299264 301056 302592 308896 309952 311808 318304 319928 322944 329672 331354 342016 343686 344064 351232 353024 356352 363776 365632 376768 392784 393216 394788 401408 403456 405426 406812 415744 421341 430592 448896 458248 458752 460586 463344 464928 474614 475136 477456 479892 494508 497031 513024 523712 524288 526384 526848 529536 540568 542416 545664 548448 559874 561788 565152 576926 598528 602112 605184 617792 619904 623616 636608 639856 645888 659344 662708 684032 687372 688128 690879 702464 706048 711921 712704 727552 731264 753536 785568 786432 789576 802816 806912 810852 813624 831488 839811 842682 861184 865389 897792 916496 917504 921172 926688 929856 949228 950272 954071 954912 959784 983129 989016 994062 1026048 1047424 1048576 1052768 1053696 1059072 1081136 1084832 1091328 1096896 1119748 1123576 1130304 1153852 1159739 1197056 1204224 1210368 1235584 1239808 1247232 1273216 1279712 1291776 1318688 1325416 1368064 1374744 1376256 1381758 1404928 1412096 1423842 1425408 1455104 1462528 1507072 1571136 1572864 1579152 1605632 1612051 1613824 1621704 1627248 1661149 1662976 1679622 1685364 1722368 1730778 1795584 1832992 1835008 1842344 1853376 1859712 1898456 1900544 1908142 1909824 1919568 1959559 1966258 1978032 1988124 2052096 2094848 2105536 2107392 2118144 2162272 2169664 2182656 2193792 2239496 2247152 2260608 2307704 2319478 2394112 2408448 2420736 2471168 2479616 2494464 2546432 2559424 2583552 2637376 2650832 2736128 2749488 2752512 2763516 2809856 2824192 2847684 2850816 2862213 2910208 2925056 2949387 3014144 3142272 3145728 3158304 3211264 3224102 3227648 3243408 3254496 3322298 3325952 3359244 3370728 3444736 3461556 3479217 3591168 3665984 3670016 3684688 3706752 3719424 3796912 3801088 3816284 3819648 3839136 3919118 3932516 3956064 3976248 4104192 4189696 4211072 4214784 4236288 4324544 4339328 4365312 4387584 4478992 4494304 4521216 4615408 4638956 4788224 4816896 4836153 4841472 4942336 4959232 4983447 4988928 5092864 5118848 5167104 5274752 5301664 5472256 5498976 5505024 5527032 5619712 5648384 5695368 5701632 5724426 5820416 5850112 5878677 5898774 6028288 6284544 6316608 6422528 6448204 6455296 6486816 6508992 6644596 6651904 6678497 6718488 6741456 6881903 6889472 6923112 6958434 7182336 7331968 7340032 7369376 7413504 7438848 7593824 7602176 7632568 7639296 7678272 7838236 7865032 7912128 7952496 8118173 8208384 8379392 8422144 8429568 8472576 8649088 8678656 8730624 8775168 8957984 8988608 9042432 9230816 9277912 9576448 9633792 9672306 9682944 9884672 9918464 9966894 9977856 10185728 10237696 10334208 10549504 10603328 10944512 10997952 11010048 11054064 11239424 11284357 11296768 11390736 11403264 11448852 11640832 11700224 11757354 11797548 12056576 12569088 12633216 12845056 12896408 12910592 12973632 13017984 13289192 13303808 13356994 13436976 13482912 13763806 13778944 13846224 13916868 14364672 14663936 14738752 14827008 14877696 15187648 15204352 15265136 15278592 15356544 15676472 15730064 15824256 15904992 16236346 16416768 16758784 16844288 16859136 16945152 17298176 17357312 17461248 17550336 17915968 17977216 18084864 18461632 18555824 19152896 19267584 19344612 19365888 19769344 19836928 19933788 19955712 20035491 20371456 20475392 20645709 20668416 21099008 21206656 21889024 21995904 22020096 22108128 22478848 22568714 22593536 22781472 22806528 22897704 23281664 23400448 23514708 23595096 24113152 24354519 25138176 25266432 25690112 25792816 25821184 25947264 26035968 26578384 26607616 26713988 26873952 26965824 27527612 27557888 27668059 27692448 27833736 28729344 29327872 29477504 29654016 29755392 30375296 30408704 30530272 30557184 30713088 31352944 31460128 31648512 31809984 32472692 32833536 33517568 33688576 33718272 33853071 33890304 34596352 34714624 34922496 35100672 35831936 35954432 36169728 36923264 37111648 38305792 38535168 38689224 38731776 39538688 39673856 39867576 39911424 40070982 40742912 40950784 41291418 41336832 42198016 42413312 43778048 43991808 44216256 44957696 45137428 45187072 45562944 45613056 45795408 46563328 46749479 46800896 47029416 47190192 48173321 48226304 48709038 50276352 50532864 51380224 51585632 51642368 51894528 52071936 53156768 53215232 53427976 53747904 53931648 55055224 55115776 55336118 55384896 55667472 56827211 57458688 58655744 58955008 59308032 59510784 60750592 61060544 61114368 61426176 62705888 62920256 63297024 63619968 64945384 65667072 67035136 67377152 67436544 67706142 67780608 69192704 69429248 69844992 70201344 71663872 71908864 72339456 73846528 74223296 76611584 77070336 77378448 77463552 79077376 79347712 79735152 79822848 80141964 81485824 81901568 82582836 82673664 83004177 84396032 84826624 87556096 87983616 88432512 89915392 90274856 90374144 91125888 91226112 91590816 93126656 93498958 93601792 94058832 94380384 96346642 96452608 97418076 100552704 101065728 103171264 103284736 103789056 104143872 106313536 106430464 106855952 107495808 107863296 110110448 110231552 110672236 110769792 111334944 113654422 114917376 117311488 117910016 118616064 119021568 121501184 122121088 122228736 122852352 125411776 125840512 126594048 127239936 129890768 131334144 134070272 134754304 134873088 135412284 135561216 138385408 138858496 139689984 140248437 140402688 143327744 143817728 144519963 144678912 147693056 148446592 153223168 154140672 154756896 154927104 158154752 158695424 159470304 159645696 160283928 162971648 163803136 165165672 165347328 166008354 168792064 169653248 170481633 175112192 175967232 176865024 179830784 180549712 180748288 182251776 183181632 186253312 186997916 187203584 188117664 188760768 192693284 192905216 193676413 194836152 201105408 202131456 206342528 206569472 207578112 208287744 212627072 212860928 213711904 214991616 215726592 220220896 220463104 221344472 221539584 222669888 227308844 229834752 234622976 235820032 237232128 238043136 243002368 244242176 244457472 245704704 250823552 251681024 253188096 254479872 259781536 262668288 268140544 269508608 269746176 270824568 271122432 276770816 277716992 279379968 280496874 280805376 286655488 287635456 289039926 289357824 295386112 296893184 306446336 309513792 309854208 316309504 317390848 318940608 319291392 320567856 325943296 327246353 327606272 330331344 330694656 332016708 337584128 339306496 340963266 351934464 353730048 359661568 361099424 361496576 364503552 366363264 372506624 373995832 374407168 376235328 377521536 385386568 385810432 387352826 389672304 402210816 404262912 412685056 415156224 416575488 425254144 427423808 429983232 431453184 440441792 440926208 442688944 443079168 445339776 454617688 459669504 469245952 471640064 474464256 476086272 486004736 488484352 488914944 491409408 501647104 503362048 506376192 508959744 519563072 525336576 536281088 539017216 539492352 541649136 542244864 553541632 555433984 558759936 560993748 561610752 573310976 575270912 578079852 578715648 581029239 590772224 593786368 612892672 619027584 619708416 632619008 634781696 637881216 638582784 641135712 651886592 654492706 655212544 660662688 661389312 664033416 675168256 678612992 681926532 703868928 707460096 722198848 722993152 729007104 732726528 745013248 747991664 748814336 752470656 755043072 770773136 771620864 774705652 779344608 804421632 808525824 825370112 830312448 833150976 850508288 854847616 859966464 862906368 880883584 881852416 885377888 886158336 890679552 909235376 919339008 938491904 943280128 948928512 952172544 972009472 976968704 977829888 981739059 982818816 1003294208 1006724096 1012752384 1017919488 1039126144 1072562176 1078034432 1078984704 1083298272 1084489728 1107083264 1110867968 1117519872 1121987496 1123221504 1146621952 1150541824 1156159704 1157431296 1162058478 1181544448 1187572736 1225785344 1238055168 1265238016 1269563392 1275762432 1282271424 1303773184 1308985412 1310425088 1321325376 1322778624 1328066832 1350336512 1355734891 1357225984 1363853064 1407737856 1414920192 1444397696 1445986304 1458014208 1465453056 1490026496 1495983328 1497628672 1504941312 1510086144 1541546272 1543241728 1549411304 1558689216 1608843264 1617051648 1650740224 1660624896 1666301952 1701016576 1709695232 1719932928 1725812736 1761767168 1770755776 1772316672 1781359104 1818470752 1838678016 1876983808 1886560256 1897857024 1904345088 1944018944 1953937408 1955659776 1963478118 1965637632 2006588416 2013448192 2025504768 2035838976 2078252288 2145124352 2156068864 2166596544 2168979456 2214166528 2221735936 2235039744 2243974992 2246443008 2293243904 2301083648 2312319408 2314862592 2324116956 2363088896 2375145472 2476110336 2530476032 2539126784 2551524864 2564542848 2607546368 2617970824 2620850176 2642650752 2645557248 2656133664 2700673024 2711469782 2714451968 2727706128 2815475712 2829840384 2888795392 2916028416 2930906112 2991966656 2995257344 3009882624 3020172288 3083092544 3086483456 3098822608 3117378432 3217686528 3234103296 3301480448 3321249792 3332603904 3402033152 3419390464 3439865856 3451625472 3523534336 3541511552 3544633344 3562718208 3636941504 3677356032 3753967616 3773120512 3795714048 3808690176 3888037888 3907874816 3911319552 3926956236 3931275264 4013176832 4026896384 4051009536 4067204673 4071677952 4156504576 4290248704 4312137728 4333193088 4337958912 4428333056 4443471872 4470079488 4487949984 4492886016 4586487808 4602167296 4624638816 4629725184 4648233912 4726177792 4750290944 4952220672 5060952064 5078253568 5103049728 5129085696 5215092736 5235941648 5241700352 5285301504 5312267328 5401346048 5422939564 5428903936 5455412256 5630951424 5659680768 5777590784 5832056832 5861812224 5983933312 5990514688 6019765248 6040344576 6166185088 6172966912 6197645216 6234756864 6435373056 6468206592 6602960896 6642499584 6665207808 6804066304 6838780928 6879731712 6903250944 7047068672 7083023104 7089266688 7125436416 7273883008 7507935232 7546241024 7591428096 7617380352 7776075776 7815749632 7822639104 7853912472 7862550528 8026353664 8053792768 8102019072 8134409346 8143355904 8313009152 8580497408 8624275456 8666386176 8856666112 8886943744 8975899968 8985772032 9172975616 9204334592 9249277632 9259450368 9296467824 9452355584 9490144237 9500581888 9904441344 10121904128 10206099456 10258171392 10430185472 10471883296 10483400704 10570603008 10624534656 10802692096 10845879128 10857807872 10910824512 11261902848 11319361536 11555181568 11664113664 11723624448 11967866624 12039530496 12080689152 12332370176 12395290432 12469513728 12870746112 12936413184 13205921792 13284999168 13330415616 13608132608 13677561856 13759463424 13806501888 14094137344 14166046208 14178533376 14250872832 14547766016 15015870464 15092482048 15182856192 15234760704 15552151552 15631499264 15645278208 15707824944 15725101056 16052707328 16107585536 16204038144 16268818692 16286711808 16626018304 17248550912 17332772352 17713332224 17773887488 17951799936 17971544064 18345951232 18408669184 18498555264 18518900736 18592935648 18904711168 18980288474 19001163776 19808882688 20412198912 20516342784 20943766592 20966801408 21141206016 21249069312 21605384192 21691758256 21715615744 21821649024 22523805696 22638723072 23110363136 23328227328 23447248896 23935733248 24079060992 24161378304 24664740352 24790580864 24939027456 25741492224 25872826368 26411843584 26569998336 26660831232 27216265216 27355123712 27518926848 27613003776 28188274688 28332092416 28357066752 28470432711 28501745664 29095532032 30031740928 30184964096 30365712384 31104303104 31262998528 31290556416 31415649888 31450202112 32105414656 32215171072 32408076288 32537637384 32573423616 33252036608 34497101824 34665544704 35426664448 35547774976 35903599872 36691902464 36817338368 36997110528 37185871296 37809422336 37960576948 38002327552 39617765376 40824397824 41032685568 41887533184 41933602816 42282412032 42498138624 43210768384 43383516512 43431231488 43643298048 45047611392 45277446144 46220726272 46656454656 46894497792 47871466496 48158121984 48322756608 49329480704 49581161728 49878054912 51745652736 52823687168 53139996672 53321662464 54432530432 54710247424 55037853696 55226007552 56376549376 56664184832 56714133504 56940865422 57003491328 58191064064 60063481856 60369928192 62208606208 62525997056 62831299776 62900404224 64210829312 64430342144 64816152576 65075274768 65146847232 66504073216 69331089408 70853328896 71807199744 73383804928 73634676736 73994221056 74371742592 75618844672 75921153896 76004655104 79235530752 81648795648 82065371136 83775066368 84564824064 84996277248 86767033024 86862462976 87286596096 90095222784 90554892288 92441452544 93312909312 93788995584 95742932992 96316243968 96645513216 98658961408 99162323456 99756109824 103491305472 105647374336 106279993344 106643324928 108865060864 109420494848 110075707392 110452015104 112753098752 113328369664 113428267008 113881730844 114006982656 116382128128 120739856384 124417212416 125051994112 125662599552 125800808448 128421658624 128860684288 129632305152 130150549536 130293694464 133008146432 138662178816 143614399488 146767609856 147269353472 147988442112 148743485184 151237689344 151842307792 152009310208 158471061504 163297591296 164130742272 167550132736 169129648128 169992554496 173534066048 173724925952 174573192192 180190445568 181109784576 184882905088 186625818624 187577991168 191485865984 192632487936 193291026432 197317922816 198324646912 199512219648 211294748672 212559986688 217730121728 218840989696 220151414784 220904030208 225506197504 226656739328 226856534016 227763461688 228013965312 232764256256 241479712768 248834424832 250103988224 251325199104 256843317248 257721368576 260301099072 260587388928 266016292864 277324357632 287228798976 293535219712 295976884224 297486970368 302475378688 303684615584 304018620416 316942123008 326595182592 328261484544 335100265472 338259296256 339985108992 347068132096 349146384384 362219569152 369765810176 373251637248 375155982336 382971731968 385264975872 386582052864 394635845632 396649293824 399024439296 422589497344 435460243456 437681979392 440302829568 441808060416 451012395008 453313478656 453713068032 455526923376 456027930624 465528512512 500207976448 502650398208 513686634496 515442737152 520602198144 521174777856 532032585728 554648715264 574457597952 591953768448 594973940736 607369231168 608037240832 633884246016 653190365184 656522969088 670200530944 676518592512 679970217984 694136264192 698292768768 724439138304 739531620352 746503274496 750311964672 765943463936 770529951744 773164105728 789271691264 793298587648 798048878592 845178994688 870920486912 875363958784 880605659136 902024790016 906626957312 907426136064 911053846752 912055861248 931057025024 1000415952896 1005300796416 1027373268992 1030885474304 1041204396288 1064065171456 1109297430528 1148915195904 1183907536896 1189947881472 1214738462336 1216074481664 1267768492032 1306380730368 1313045938176 1340401061888 1353037185024 1359940435968 1388272528384 1396585537536 1479063240704 1500623929344 1531886927872 1541059903488 1546328211456 1578543382528 1586597175296 1596097757184 1690357989376 1741840973824 1750727917568 1804049580032 1813253914624 1822107693504 1824111722496 1862114050048 2010601592832 2054746537984 2082408792576 2128130342912 2218594861056 2297830391808 2367815073792 2379895762944 2429476924672 2535536984064 2612761460736 2626091876352 2680802123776 2706074370048 2719880871936 2776545056768 2793171075072 2958126481408 3001247858688 3063773855744 3082119806976 3092656422912 3157086765056 3173194350592 3192195514368 3501455835136 3608099160064 3626507829248 3644215387008 3648223444992 3724228100096 4021203185664 4164817585152 4256260685824 4437189722112 4595660783616 4735630147584 4759791525888 4858953849344 5071073968128 5225522921472 5252183752704 5361604247552 5412148740096 5439761743872 5553090113536 5586342150144 5916252962816 6127547711488 6164239613952 6314173530112 6346388701184 6384391028736 7002911670272 7216198320128 7253015658496 7288430774016 7448456200192 8042406371328 8329635170304 8512521371648 8874379444224 9191321567232 9471260295168 9519583051776 9717907698688 10504367505408 10723208495104 10824297480192 10879523487744 11106180227072 11172684300288 11832505925632 12255095422976 12628347060224 12692777402368 12768782057472 14506031316992 14576861548032 14896912400384 16084812742656 16659270340608 17748758888448 18382643134464 18942520590336 19039166103552 19435815397376 21008735010816 21446416990208 21648594960384 21759046975488 22212360454144 22345368600576 24510190845952 25256694120448 25385554804736 25537564114944 29012062633984 29153723096064 29793824800768 32169625485312 33318540681216 35497517776896 36765286268928 37885041180672 38078332207104 38871630794752 42892833980416 43518093950976 44424720908288 44690737201152 49020381691904 50513388240896 50771109609472 58307446192128 59587649601536 64339250970624 66637081362432 73530572537856 75770082361344 76156664414208 77743261589504 85785667960832 87036187901952 88849441816576 89381474402304 101542219218944 116614892384256 128678501941248 133274162724864 147061145075712 151540164722688 152313328828416 155486523179008 171571335921664 177698883633152 178762948804608 203084438437888 233229784768512 257357003882496 266548325449728 304626657656832 310973046358016 343142671843328 355397767266304 466459569537024 514714007764992 533096650899456 609253315313664 621946092716032 710795534532608 932919139074048 1029428015529984 1066193301798912 1243892185432064 1421591069065216 1865838278148096 2132386603597824 2487784370864128 3731676556296192 4264773207195648 4975568741728256 7463353112592384 9951137483456512 14926706225184768 29853412450369536
- Sum of all divisors σ(n): 97217021572070400
- Sum of proper divisors (its aliquot sum) s(n): 67363609121700864
- 29853412450369536 is an abundant number, because the sum of its proper divisors (67363609121700864) is greater than itself. Its abundance is 37510196671331328
Bases of 29853412450369536
- Binary: 11010100000111110000101001111000111000000000000000000002
- Hexadecimal: 0x6A0F853C700000
- Base-36: 85Y5GCKOK5C
Squares and roots of 29853412450369536
- 29853412450369536 squared (298534124503695362) is 891226234931878823746382956855296
- 29853412450369536 cubed (298534124503695363) is 26606144378011316356673411379663649827179678662656
-
The
square root of 29853412450369536 is 172781400.7651562477 -
The
cube root of 29853412450369536 is 310216.3333892445
Scales and comparisons
How big is 29853412450369536?- 29,853,412,450,369,536 seconds is equal to 949,246,173 years, 13 weeks, 1 day, 11 hours, 5 minutes, 36 seconds.
-
To count from 1 to 29,853,412,450,369,536 would take you about two billion, eight hundred forty-seven million, seven hundred thirty-eight thousand, five hundred nineteen 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 29853412450369536 cubic inches would be around 25851.4 feet tall.
Recreational maths with 29853412450369536
- 29853412450369536 backwards is 63596305421435892
- The number of decimal digits it has is: 17
- The sum of 29853412450369536's digits is 75
- 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 29853412450369536 - Facts about the integer". Numbermatics.com. 2024. Web. 23 June 2024.
APA style:
Numbermatics. (2024). Number 29853412450369536 - Facts about the integer. Retrieved 23 June 2024, from https://numbermatics.com/n/29853412450369536/
Chicago style:
Numbermatics. 2024. "Number 29853412450369536 - Facts about the integer". https://numbermatics.com/n/29853412450369536/
The information we have on file for 29853412450369536 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 29853412450369536, math, Factors of 29853412450369536, curriculum, school, college, exams, university, Prime factorization of 29853412450369536, STEM, science, technology, engineering, physics, economics, calculator, twenty-nine quadrillion, eight hundred fifty-three trillion, four hundred twelve billion, four hundred fifty million, three hundred sixty-nine thousand, five hundred thirty-six.