81843734219456448

Names of 81843734219456448

• Cardinal: 81843734219456448 can be written as Eighty-one quadrillion, eight hundred forty-three trillion, seven hundred thirty-four billion, two hundred nineteen million, four hundred fifty-six thousand, four hundred forty-eight.

Scientific notation

• Scientific notation: 8.1843734219456448 × 10¹⁶

Factors of 81843734219456448

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 475

Divisors of 81843734219456448

• Number of divisors d(n): 448
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 27 32 36 48 54 64 72 96 97 108 144 192 194 216 288 291 373 388 432 576 582 746 776 864 873 1119 1164 1492 1552 1728 1746 2238 2328 2619 2984 3104 3357 3492 4476 4656 5238 5968 6208 6714 6984 8952 9312 9409 10071 10476 11936 13428 13968 17904 18624 18818 20142 20952 23872 26856 27936 28227 35808 36181 37636 40284 41904 53712 55872 56454 71616 72362 75272 80568 83808 84681 107424 108543 112908 139129 144724 150544 161136 167616 169362 214848 217086 225816 254043 278258 289448 301088 322272 325629 338724 417387 434172 451632 508086 556516 578896 602176 644544 651258 677448 834774 868344 903264 912673 976887 1016172 1113032 1157792 1252161 1302516 1354896 1669548 1736688 1806528 1825346 1953774 2032344 2226064 2315584 2504322 2605032 2709792 2738019 3339096 3473376 3509557 3650692 3756483 3907548 4064688 4452128 5008644 5210064 5419584 5476038 6678192 6946752 7019114 7301384 7512966 7815096 8129376 8214057 8904256 10017288 10420128 10528671 10952076 13356384 13495513 14038228 14602768 15025932 15630192 16258752 16428114 20034576 20840256 21057342 21904152 24642171 26712768 26991026 28076456 29205536 30051864 31260384 31586013 32856228 40069152 40486539 42114684 43808304 49284342 51895117 53982052 56152912 58411072 60103728 62520768 63172026 65712456 80138304 80973078 84229368 87616608 94758039 98568684 103790234 107964104 112305824 120207456 121459617 126344052 131424912 155685351 161946156 168458736 175233216 189516078 197137368 207580468 215928208 224611648 240414912 242919234 252688104 262849824 311370702 323892312 336917472 340427029 364378851 379032156 394274736 415160936 431856416 467056053 485838468 505376208 525699648 622741404 647784624 673834944 680854058 728757702 758064312 788549472 830321872 863712832 934112106 971676936 1010752416 1021281087 1245482808 1295569248 1309064761 1361708116 1401168159 1457515404 1516128624 1577098944 1660643744 1868224212 1943353872 2021504832 2042562174 2490965616 2591138496 2618129522 2723416232 2802336318 2915030808 3032257248 3063843261 3321287488 3736448424 3886707744 3927194283 4085124348 4981931232 5033826349 5236259044 5446832464 5604672636 5830061616 6064514496 6127686522 7472896848 7773415488 7854388566 8170248696 9191529783 9963862464 10067652698 10472518088 10893664928 11209345272 11660123232 11781582849 12255373044 14945793696 15101479047 15708777132 16340497392 18383059566 20135305396 20945036176 21787329856 22418690544 23320246464 23563165698 24510746088 29891587392 30202958094 31417554264 32680994784 35344748547 36766119132 40270610792 41890072352 44837381088 45304437141 47126331396 49021492176 60405916188 62835108528 65361989568 70689497094 73532238264 80541221584 83780144704 89674762176 90608874282 94252662792 98042984352 120811832376 125670217056 126979281817 135913311423 141378994188 147064476528 161082443168 181217748564 188505325584 196085968704 241623664752 251340434112 253958563634 271826622846 282757988376 294128953056 322164886336 362435497128 377010651168 380937845451 483247329504 488281155853 507917127268 543653245692 565515976752 588257906112 724870994256 754021302336 761875690902 966494659008 976562311706 1015834254536 1087306491384 1131031953504 1142813536353 1449741988512 1464843467559 1523751381804 1953124623412 2031668509072 2174612982768 2262063907008 2285627072706 2899483977024 2929686935118 3047502763608 3428440609059 3906249246824 4063337018144 4349225965536 4394530402677 4571254145412 5859373870236 6095005527216 6856881218118 7812498493648 8126674036288 8698451931072 8789060805354 9142508290824 11718747740472 12190011054432 13183591208031 13713762436236 15624996987296 17578121610708 18285016581648 23437495480944 24380022108864 26367182416062 27427524872472 31249993974592 35156243221416 36570033163296 46874990961888 47363272117741 52734364832124 54855049744944 70312486442832 73140066326592 93749981923776 94726544235482 105468729664248 109710099489888 140624972885664 142089816353223 189453088470964 210937459328496 219420198979776 281249945771328 284179632706446 378906176941928 421874918656992 426269449059669 568359265412892 757812353883856 843749837313984 852538898119338 1136718530825784 1278808347179007 1515624707767712 1705077796238676 2273437061651568 2557616694358014 3031249415535424 3410155592477352 4546874123303136 5115233388716028 6820311184954704 9093748246606272 10230466777432056 13640622369909408 20460933554864112 27281244739818816 40921867109728224 81843734219456448
• Sum of all divisors σ(n): 243765252227728000
• Sum of proper divisors (its aliquot sum) s(n): 161921518008271552
• 81843734219456448 is an abundant number, because the sum of its proper divisors (161921518008271552) is greater than itself. Its abundance is 80077783788815104

Bases of 81843734219456448

• Binary: 100100010110001000111000101010001001111011111111111000000₂
• Hexadecimal: 0x122C471513DFFC0
• Base-36: MDV6KG3O1C0

Squares and roots of 81843734219456448

• 81843734219456448 squared (81843734219456448²) is 6698396830985026357554796568776704
• 81843734219456448 cubed (81843734219456448³) is 548221809931587831013133886414426887919059164987392
• The square root of 81843734219456448 is 286083439.2610946783
• 81843734219456448 is a perfect cube number. Its cube root is 434172

Scales and comparisons

• 81,843,734,219,456,448 seconds is equal to 2,602,377,588 years, 46 weeks, 19 hours, 40 minutes, 48 seconds.
• To count from 1 to 81,843,734,219,456,448 would take you about seven billion, eight hundred seven million, one hundred thirty-two thousand, seven hundred sixty-six 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 81843734219456448 cubic inches would be around 36181 feet tall.

Recreational maths with 81843734219456448

• 81843734219456448 backwards is 84465491243734818
• The number of decimal digits it has is: 17
• The sum of 81843734219456448's digits is 81
• More coming soon!