81002490426

Names of 81002490426

• Cardinal: 81002490426 can be written as Eighty-one billion, two million, four hundred ninety thousand, four hundred twenty-six.

Scientific notation

• Scientific notation: 8.1002490426 × 10¹⁰

Factors of 81002490426

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 192

Divisors of 81002490426

• Number of divisors d(n): 576
• Complete list of divisors:
  1 2 3 6 9 11 13 17 18 22 26 27 33 34 37 39 51 54 66 74 78 81 99 102 109 111 117 143 153 162 187 198 218 221 222 234 243 286 289 297 306 327 333 351 374 407 429 442 459 481 486 561 578 594 629 654 663 666 702 814 858 867 891 918 962 981 999 1053 1122 1199 1221 1258 1287 1326 1377 1417 1443 1683 1734 1782 1853 1887 1962 1989 1998 2106 2398 2431 2442 2574 2601 2673 2754 2834 2886 2943 2997 3159 3179 3366 3597 3663 3706 3757 3774 3861 3978 4033 4131 4251 4329 4862 5049 5202 5291 5346 5559 5661 5886 5967 5994 6318 6358 6919 7194 7293 7326 7514 7722 7803 8066 8177 8262 8502 8658 8829 8991 9537 10098 10582 10693 10791 10989 11118 11271 11322 11583 11934 12099 12753 12987 13838 14586 15147 15587 15606 15873 16354 16677 16983 17658 17901 17982 19074 20383 20757 21386 21582 21879 21978 22542 23166 23409 24089 24198 24531 25506 25974 26487 28611 30294 31174 31501 31746 32079 32373 32967 33354 33813 33966 34749 35802 36297 38259 38961 40766 41327 41514 43758 44363 45441 46761 46818 47619 48178 49062 50031 50949 52429 52974 53703 57222 61149 62271 63002 64158 64746 65637 65934 67626 68561 69498 70227 72267 72594 73593 76518 77922 82654 85833 88726 89947 90882 93522 94503 95238 96237 97119 98901 100062 101439 101898 104858 107406 108891 114777 116883 117623 122298 123981 124542 131274 133089 137122 139009 140283 140454 142857 144534 147186 150093 152847 157287 171666 179894 183447 186813 189006 192474 194238 196911 197802 202878 205683 216801 217782 220779 229554 233766 235246 247962 257499 264979 266178 269841 278018 280566 283509 285714 288711 291357 300186 304317 305694 314574 326673 344331 346511 352869 366894 371943 373626 393822 399267 409513 411366 417027 420849 428571 433602 441558 450279 471861 514998 529958 539682 550341 560439 567018 576719 577422 582714 590733 608634 617049 650403 653346 662337 688662 693022 705738 743886 754171 772497 794937 798534 809523 819026 834054 841698 850527 857142 866133 891293 900558 912951 943722 980019 1039533 1058607 1100682 1115829 1120878 1153438 1165537 1181466 1197801 1228539 1234098 1251081 1262547 1285713 1300806 1324674 1415583 1508342 1529099 1544994 1589874 1619046 1651023 1681317 1701054 1730157 1732266 1782586 1825902 1851147 1951209 1960038 1987011 2079066 2117214 2231658 2262513 2331074 2384811 2395602 2428569 2457078 2502162 2525094 2551581 2571426 2598399 2673879 2831166 3058198 3118599 3175821 3302046 3347487 3362634 3460314 3496611 3593403 3685617 3702294 3753243 3787641 3902418 3974022 4246749 4504643 4525026 4587297 4769622 4857138 4953069 5103162 5190471 5196798 5347758 5553441 5853627 6237198 6351642 6694974 6787539 6993222 7154433 7186806 7285707 7371234 7506486 7575282 7654743 8021637 8493498 9009286 9174594 9355797 9527463 9804223 9906138 10042461 10380942 10489833 10780209 11056851 11106882 11259729 11707254 12740247 12820907 13513929 13575078 13761891 14308866 14571414 15151981 15309486 15571413 16043274 16660323 18711594 19054926 19608446 20084922 20362617 20979666 21463299 21560418 21857121 22113702 22519458 24064911 25480494 25641814 27027858 27523782 28067391 28582389 29412669 30303962 31142826 31469499 33170553 33320646 33779187 38462721 40541787 40725234 41285673 42926598 43714242 45455943 46714239 48129822 56134782 57164778 58825338 61087851 62938998 64389897 66341106 67558374 72194733 76925442 81083574 82571346 84202173 88238007 90911886 93428478 94408497 99511659 115388163 121625361 122175702 123857019 128779794 136367829 140142717 144389466 166671791 168404346 176476014 183263553 188816994 199023318 216584199 230776326 243250722 247714038 264714021 272735658 280285434 283225491 333343582 346164489 364876083 366527106 371571057 409103487 433168398 500015373 529428042 566450982 692328978 729752166 743142114 794142063 818206974 1000030746 1038493467 1094628249 1227310461 1500046119 1588284126 2076986934 2189256498 2382426189 2454620922 3000092238 3115480401 3681931383 4500138357 4764852378 6230960802 7363862766 9000276714 13500415071 27000830142 40501245213 81002490426
• Sum of all divisors σ(n): 235421746560
• Sum of proper divisors (its aliquot sum) s(n): 154419256134
• 81002490426 is an abundant number, because the sum of its proper divisors (154419256134) is greater than itself. Its abundance is 73416765708

Bases of 81002490426

• Binary: 1001011011100000111111110101000111010₂
• Hexadecimal: 0x12DC1FEA3A
• Base-36: 117MSHMI

Squares and roots of 81002490426

• 81002490426 squared (81002490426²) is 6561403455214221661476
• 81002490426 cubed (81002490426³) is 531490020562113309912751503028776
• The square root of 81002490426 is 284609.3646140267
• The cube root of 81002490426 is 4326.7930538733

Scales and comparisons

• 81,002,490,426 seconds is equal to 2,575 years, 32 weeks, 4 days, 19 hours, 47 minutes, 6 seconds.
• To count from 1 to 81,002,490,426 would take you about five thousand, one hundred fifty-one 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 81002490426 cubic inches would be around 360.6 feet tall.

Recreational maths with 81002490426

• 81002490426 backwards is 62409420018
• The number of decimal digits it has is: 11
• The sum of 81002490426's digits is 36
• More coming soon!