81172835732992

Names of 81172835732992

• Cardinal: 81172835732992 can be written as Eighty-one trillion, one hundred seventy-two billion, eight hundred thirty-five million, seven hundred thirty-two thousand, nine hundred ninety-two.

Scientific notation

• Scientific notation: 8.1172835732992 × 10¹³

Factors of 81172835732992

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 2205

Divisors of 81172835732992

• Number of divisors d(n): 480
• Complete list of divisors:
  1 2 4 8 16 17 31 32 34 37 62 64 68 74 124 128 136 148 248 256 257 272 289 296 496 512 514 527 544 578 592 629 992 1028 1054 1088 1147 1156 1184 1258 1861 1984 2056 2108 2176 2294 2312 2368 2516 3722 3968 4112 4216 4352 4369 4588 4624 4736 5032 7444 7936 7967 8224 8432 8704 8738 8959 9176 9248 9472 9509 10064 10693 14888 15872 15934 16448 16864 17476 17918 18352 18496 18944 19018 19499 20128 21386 29776 31637 31868 32896 33728 34952 35836 36704 36992 38036 38998 40256 42772 57691 59552 63274 63736 65792 67456 68857 69904 71672 73408 73984 74273 76072 77996 80512 85544 115382 119104 126548 127472 131584 134912 135439 137714 139808 143344 146816 147968 148546 152144 155992 161024 161653 171088 230764 238208 253096 254944 269824 270878 275428 279616 286688 293632 294779 297092 304288 311984 322048 323306 331483 342176 461528 476416 478277 506192 509888 537829 541756 550856 559232 573376 587264 589558 594184 608576 623968 646612 662966 684352 923056 952832 956554 980747 1012384 1019776 1075658 1083512 1101712 1118464 1146752 1170569 1179116 1188368 1217152 1247936 1293224 1325932 1368704 1846112 1913108 1961494 2024768 2039552 2134567 2151316 2167024 2203424 2236928 2293504 2302463 2341138 2358232 2376736 2434304 2495872 2586448 2651864 2737408 2748101 3692224 3826216 3922988 4049536 4079104 4269134 4302632 4334048 4406848 4587008 4604926 4682276 4716464 4753472 4868608 4991744 5011243 5172896 5303728 5474816 5496202 7384448 7652432 7845976 8099072 8130709 8538268 8605264 8668096 8813696 9209852 9364552 9432928 9506944 9983488 10022486 10345792 10607456 10992404 14768896 14826587 15304864 15691952 16198144 16261418 16672699 17076536 17210528 17336192 17627392 17696249 18419704 18729104 18865856 19013888 19899673 20044972 20691584 21214912 21984808 29537792 29653174 30609728 31383904 32522836 33345398 34153072 34421056 34672384 35254784 35392498 36287639 36839408 37458208 37731712 38027776 39799346 40089944 41383168 42429824 43969616 59306348 61219456 62767808 65045672 66690796 68306144 68842112 69344768 70784996 72575278 73678816 74916416 75463424 79598692 80179888 82766336 84859648 85191131 87939232 118612696 122438912 125535616 130091344 133381592 136612288 137684224 138222053 141569992 145150556 147357632 149832832 150926848 159197384 160359776 169719296 170382262 175878464 237225392 244877824 251071232 252051979 260182688 266763184 273224576 275368448 276444106 283139984 290301112 294715264 299665664 300836233 318394768 320719552 340764524 351756928 474450784 502142464 504103958 520365376 533526368 546449152 548583719 552888212 566279968 580602224 589430528 599331328 601672466 616889863 636789536 641439104 681529048 703513856 948901568 1008207916 1040730752 1067052736 1092898304 1097167438 1105776424 1132559936 1161204448 1178861056 1203344932 1233779726 1273579072 1282878208 1363058096 1407027712 1897803136 2016415832 2081461504 2134105472 2194334876 2211552848 2265119872 2322408896 2406689864 2467559452 2547158144 2565756416 2726116192 3795606272 4032831664 4162923008 4268210944 4284883643 4388669752 4423105696 4530239744 4644817792 4813379728 4935118904 5094316288 5114215961 5452232384 7591212544 8065663328 8536421888 8569767286 8777339504 8846211392 9060479488 9289635584 9325923223 9626759456 9870237808 10188632576 10228431922 10904464768 16131326656 17139534572 17554679008 17692422784 18579271168 18651846446 19253518912 19740475616 20456863844 21808929536 32262653312 34279069144 35109358016 35384845568 37303692892 38507037824 39480951232 40913727688 43617859072 64525306624 68558138288 70218716032 70769691136 74607385784 77014075648 78961902464 81827455376 129050613248 137116276576 140437432064 149214771568 154028151296 157923804928 158540694791 163654910752 274232553152 280874864128 298429543136 315847609856 317081389582 327309821504 548465106304 596859086272 634162779164 654619643008 1096930212608 1193718172544 1268325558328 1309239286016 2193860425216 2387436345088 2536651116656 2618478572032 4774872690176 5073302233312 10146604466624 20293208933248 40586417866496 81172835732992
• Sum of all divisors σ(n): 183462356157696
• Sum of proper divisors (its aliquot sum) s(n): 102289520424704
• 81172835732992 is an abundant number, because the sum of its proper divisors (102289520424704) is greater than itself. Its abundance is 21116684691712

Bases of 81172835732992

• Binary: 10010011101001110000110000010100000111000000000₂
• Hexadecimal: 0x49D3860A0E00
• Base-36: SRUAAKP34

Squares and roots of 81172835732992

• 81172835732992 squared (81172835732992²) is 6589029260935302881917272064
• 81172835732992 cubed (81172835732992³) is 534850189837779022540384738923486524735488
• The square root of 81172835732992 is 9009596.8685059377
• The cube root of 81172835732992 is 43298.2395999119

Scales and comparisons

• 81,172,835,732,992 seconds is equal to 2,581,045 years, 4 weeks, 5 days, 13 hours, 49 minutes, 52 seconds.
• To count from 1 to 81,172,835,732,992 would take you about six million, four hundred fifty-two thousand, six hundred twelve 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 81172835732992 cubic inches would be around 3608.2 feet tall.

Recreational maths with 81172835732992

• 81172835732992 backwards is 29923753827118
• The number of decimal digits it has is: 14
• The sum of 81172835732992's digits is 67
• More coming soon!