81231412635072

Names of 81231412635072

• Cardinal: 81231412635072 can be written as Eighty-one trillion, two hundred thirty-one billion, four hundred twelve million, six hundred thirty-five thousand and seventy-two.

Scientific notation

• Scientific notation: 8.1231412635072 × 10¹³

Factors of 81231412635072

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 19
• Sum of prime factors: 763

Divisors of 81231412635072

• Number of divisors d(n): 756
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 16 18 21 24 27 28 32 36 42 48 49 54 56 63 64 72 81 84 96 98 108 112 126 144 147 162 168 189 192 196 216 224 243 252 288 294 324 336 343 378 392 432 441 448 486 504 567 576 588 648 672 686 729 751 756 784 864 882 972 1008 1029 1134 1176 1296 1323 1344 1372 1458 1502 1512 1568 1701 1728 1764 1944 2016 2058 2187 2253 2268 2352 2592 2646 2744 2916 3004 3024 3087 3136 3402 3528 3888 3969 4032 4116 4374 4506 4536 4704 5103 5184 5257 5292 5488 5832 6008 6048 6174 6561 6759 6804 7056 7776 7938 8232 8748 9012 9072 9261 9408 10206 10514 10584 10976 11664 11907 12016 12096 12348 13122 13518 13608 14112 15309 15552 15771 15876 16464 17496 18024 18144 18522 20277 20412 21028 21168 21952 23328 23814 24032 24696 26244 27036 27216 27783 28224 30618 31542 31752 32928 34992 35721 36048 36288 36799 37044 40554 40824 42056 42336 45927 46656 47313 47628 48064 49392 52488 54072 54432 55566 60831 61236 63084 63504 65856 69984 71442 72096 73598 74088 81108 81648 83349 84112 84672 91854 94626 95256 98784 104976 107163 108144 108864 110397 111132 121662 122472 126168 127008 139968 141939 142884 144192 147196 148176 162216 163296 166698 168224 182493 183708 189252 190512 197568 209952 214326 216288 220794 222264 243324 244944 250047 252336 254016 257593 283878 285768 294392 296352 321489 324432 326592 331191 333396 336448 364986 367416 378504 381024 419904 425817 428652 432576 441588 444528 486648 489888 500094 504672 515186 547479 564001 567756 571536 588784 592704 642978 648864 662382 666792 729972 734832 750141 757008 762048 772779 851634 857304 883176 889056 973296 979776 993573 1000188 1009344 1030372 1094958 1128002 1135512 1143072 1177568 1277451 1285956 1297728 1324764 1333584 1459944 1469664 1500282 1514016 1545558 1642437 1692003 1703268 1714608 1766352 1778112 1946592 1987146 2000376 2060744 2189916 2250423 2256004 2271024 2286144 2318337 2355136 2554902 2571912 2649528 2667168 2919888 2939328 2980719 3000564 3028032 3091116 3284874 3384006 3406536 3429216 3532704 3832353 3893184 3948007 3974292 4000752 4121488 4379832 4500846 4512008 4542048 4636674 4927311 5076009 5109804 5143824 5299056 5334336 5839776 5961438 6001128 6182232 6569748 6768012 6813072 6858432 6955011 7065408 7664706 7896014 7948584 8001504 8242976 8759664 8942157 9001692 9024016 9084096 9273348 9854622 10152018 10219608 10287648 10598112 11497059 11679552 11844021 11922876 12002256 12364464 13139496 13536024 13626144 13910022 15228027 15329412 15792028 15897168 16003008 16485952 17519328 17884314 18003384 18048032 18546696 19709244 20304036 20439216 20575296 20865033 21196224 22994118 23688042 23845752 24004512 24728928 26278992 26826471 27072048 27252288 27636049 27820044 30456054 30658824 31584056 31794336 34491177 35038656 35532063 35768628 36006768 36096064 37093392 39418488 40608072 40878432 41730066 45684081 45988236 47376084 47691504 48009024 49457856 52557984 53652942 54144096 55272098 55640088 60912108 61317648 62595099 63168112 63588672 68982354 71064126 71537256 72013536 74186784 78836976 80479413 81216144 81756864 82908147 83460132 91368162 91976472 94752168 95383008 105115968 106596189 107305884 108288192 110544196 111280176 121824216 122635296 125190198 126336224 137052243 137964708 142128252 143074512 144027072 148373568 157673952 160958826 162432288 165816294 166920264 182736324 183952944 187785297 189504336 190766016 193452343 213192378 214611768 221088392 222560352 241438239 243648432 245270592 248724441 250380396 252672448 274104486 275929416 284256504 286149024 315347904 319788567 321917652 324864576 331632588 333840528 365472648 367905888 375570594 379008672 386904686 411156729 426384756 429223536 442176784 445120704 482876478 487296864 497448882 500760792 548208972 551858832 563355891 568513008 572298048 580357029 639577134 643835304 663265176 667681056 730945296 735811776 746173323 751141188 758017344 773809372 822313458 852769512 858447072 884353568 959365701 965752956 974593728 994897764 1001521584 1096417944 1103717664 1126711782 1137026016 1160714058 1233470187 1279154268 1287670608 1326530352 1335362112 1461890592 1492346646 1502282376 1547618744 1644626916 1690067673 1705539024 1716894144 1741071087 1768707136 1918731402 1931505912 1989795528 2003043168 2192835888 2207435328 2238519969 2253423564 2274052032 2321428116 2466940374 2558308536 2575341216 2653060704 2878097103 2923781184 2984693292 3004564752 3095237488 3289253832 3380135346 3411078048 3482142174 3700410561 3837462804 3863011824 3979591056 4006086336 4385671776 4477039938 4506847128 4642856232 4933880748 5116617072 5150682432 5223213261 5306121408 5756194206 5969386584 6009129504 6190474976 6578507664 6715559907 6760270692 6822156096 6964284348 7400821122 7674925608 7726023648 7959182112 8634291309 8771343552 8954079876 9013694256 9285712464 9867761496 10233234144 10446426522 11512388412 11938773168 12018259008 12380949952 13157015328 13431119814 13520541384 13928568696 14801642244 15349851216 15452047296 15669639783 15918364224 17268582618 17908159752 18027388512 18571424928 19735522992 20146679721 20466468288 20892853044 23024776824 23877546336 25902873927 26314030656 26862239628 27041082768 27857137392 29603284488 30699702432 31339279566 34537165236 35816319504 36054777024 37142849856 39471045984 40293359442 41785706088 46049553648 47008919349 47755092672 51805747854 53724479256 54082165536 55714274784 59206568976 60440039163 61399404864 62678559132 69074330472 71632639008 78942091968 80586718884 83571412176 92099107296 94017838698 103611495708 107448958512 108164331072 111428549568 118413137952 120880078326 125357118264 138148660944 141026758047 143265278016 161173437768 167142824352 181320117489 184198214592 188035677396 207222991416 214897917024 236826275904 241760156652 250714236528 276297321888 282053516094 322346875536 334285648704 362640234978 376071354792 414445982832 423080274141 429795834048 483520313304 501428473056 552594643776 564107032188 644693751072 725280469956 752142709584 828891965664 846160548282 967040626608 1002856946112 1128214064376 1269240822423 1289387502144 1450560939912 1504285419168 1657783931328 1692321096564 1934081253216 2256428128752 2538481644846 2901121879824 3008570838336 3384642193128 3868162506432 4512856257504 5076963289692 5802243759648 6769284386256 9025712515008 10153926579384 11604487519296 13538568772512 20307853158768 27077137545024 40615706317536 81231412635072
• Sum of all divisors σ(n): 282332901068400
• Sum of proper divisors (its aliquot sum) s(n): 201101488433328
• 81231412635072 is an abundant number, because the sum of its proper divisors (201101488433328) is greater than itself. Its abundance is 119870075798256

Bases of 81231412635072

• Binary: 10010011110000100101001011111101010010111000000₂
• Hexadecimal: 0x49E1297EA5C0
• Base-36: SSL71R000

Squares and roots of 81231412635072

• 81231412635072 squared (81231412635072²) is 6598542398689334966644445184
• 81231412635072 cubed (81231412635072³) is 536008920377951146901934520189740899893248
• The square root of 81231412635072 is 9012847.0881887261
• The cube root of 81231412635072 is 43308.6522249271

Scales and comparisons

• 81,231,412,635,072 seconds is equal to 2,582,907 years, 34 weeks, 23 hours, 31 minutes, 12 seconds.
• To count from 1 to 81,231,412,635,072 would take you about six million, four hundred fifty-seven thousand, two hundred sixty-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 81231412635072 cubic inches would be around 3609.1 feet tall.

Recreational maths with 81231412635072

• 81231412635072 backwards is 27053621413218
• The number of decimal digits it has is: 14
• The sum of 81231412635072's digits is 45
• More coming soon!