81307240504000

Names of 81307240504000

• Cardinal: 81307240504000 can be written as Eighty-one trillion, three hundred seven billion, two hundred forty million, five hundred four thousand.

Scientific notation

• Scientific notation: 8.1307240504 × 10¹³

Factors of 81307240504000

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 20565

Divisors of 81307240504000

• Number of divisors d(n): 448
• Complete list of divisors:
  1 2 4 5 7 8 10 14 16 20 25 28 32 35 40 50 56 64 70 79 80 100 112 125 140 158 160 175 200 224 250 280 316 320 350 395 400 448 500 553 560 632 700 790 800 875 941 1000 1106 1120 1264 1400 1580 1600 1750 1882 1975 2000 2212 2240 2528 2765 2800 3160 3500 3764 3950 4000 4424 4705 5056 5530 5600 6320 6587 7000 7528 7900 8000 8848 9410 9875 11060 11200 12640 13174 13825 14000 15056 15800 17696 18820 19531 19750 22120 23525 25280 26348 27650 28000 30112 31600 32935 35392 37640 39062 39500 44240 47050 52696 55300 56000 60224 63200 65870 69125 74339 75280 78124 79000 88480 94100 97655 105392 110600 117625 126400 131740 136717 138250 148678 150560 156248 158000 164675 176960 188200 195310 210784 221200 235250 263480 273434 276500 297356 301120 312496 316000 329350 371695 376400 390620 421568 442400 470500 488275 520373 526960 546868 553000 594712 624992 632000 658700 683585 743390 752800 781240 823375 884800 941000 976550 1040746 1053920 1093736 1106000 1189424 1249984 1317400 1367170 1486780 1505600 1542949 1562480 1646750 1858475 1882000 1953100 2081492 2107840 2187472 2212000 2378848 2441375 2601865 2634800 2734340 2973560 3085898 3124960 3293500 3417925 3716950 3764000 3906200 4162984 4374944 4424000 4757696 4882750 5203730 5269600 5468680 5947120 6171796 6249920 6587000 6835850 7433900 7528000 7714745 7812400 8325968 8749888 9292375 9765500 10407460 10539200 10800643 10937360 11894240 12343592 13009325 13174000 13671700 14867800 15429490 15624800 16651936 17089625 18378671 18584750 19531000 20814920 21601286 21874720 23788480 24687184 26018650 26348000 27343400 29735600 30858980 31249600 33303872 34179250 36757342 37169500 38573725 39062000 41629840 43202572 43749440 49374368 52037300 52696000 54003215 54686800 59471200 61717960 65046625 68358500 73514684 74339000 77147450 78124000 83259680 86405144 91893355 98748736 104074600 108006430 109373600 118942400 123435920 128650697 130093250 136717000 147029368 148678000 154294900 156248000 166519360 172810288 183786710 192868625 208149200 216012860 218747200 246871840 257301394 260186500 270016075 273434000 294058736 297356000 308589800 345620576 367573420 385737250 416298400 432025720 459466775 493743680 514602788 520373000 540032150 546868000 588117472 594712000 617179600 643253485 691241152 735146840 771474500 832596800 864051440 918933550 1029205576 1040746000 1080064300 1093736000 1176234944 1234359200 1286506970 1350080375 1451915009 1470293680 1542949000 1728102880 1837867100 2058411152 2081492000 2160128600 2297333875 2468718400 2573013940 2700160750 2903830018 2940587360 3085898000 3216267425 3456205760 3675734200 4116822304 4162984000 4320257200 4594667750 5146027880 5400321500 5807660036 5881174720 6171796000 6432534850 7259575045 7351468400 8233644608 8640514400 9189335500 10163405063 10292055760 10800643000 11615320072 12343592000 12865069700 14519150090 14702936800 16081337125 17281028800 18378671000 20326810126 20584111520 21601286000 23230640144 25730139400 29038300180 29405873600 32162674250 36297875225 36757342000 40653620252 41168223040 43202572000 46461280288 50817025315 51460278800 58076600360 64325348500 72595750450 73514684000 81307240504 86405144000 92922560576 101634050630 102920557600 116153200720 128650697000 145191500900 147029368000 162614481008 181489376125 203268101260 205841115200 232306401440 254085126575 257301394000 290383001800 325228962016 362978752250 406536202520 464612802880 508170253150 514602788000 580766003600 650457924032 725957504500 813072405040 1016340506300 1029205576000 1161532007200 1270425632875 1451915009000 1626144810080 2032681012600 2323064014400 2540851265750 2903830018000 3252289620160 4065362025200 5081702531500 5807660036000 8130724050400 10163405063000 11615320072000 16261448100800 20326810126000 40653620252000 81307240504000
• Sum of all divisors σ(n): 233295258193920
• Sum of proper divisors (its aliquot sum) s(n): 151988017689920
• 81307240504000 is an abundant number, because the sum of its proper divisors (151988017689920) is greater than itself. Its abundance is 70680777185920

Bases of 81307240504000

• Binary: 10010011111001011010001001100000001101011000000₂
• Hexadecimal: 0x49F2D1301AC0
• Base-36: STK13PE4G

Squares and roots of 81307240504000

• 81307240504000 squared (81307240504000²) is 6610867358375298174016000000
• 81307240504000 cubed (81307240504000³) is 537511382247463527327430955544064000000000
• The square root of 81307240504000 is 9017052.7615180339
• The cube root of 81307240504000 is 43322.1239488065

Scales and comparisons

• 81,307,240,504,000 seconds is equal to 2,585,318 years, 38 weeks, 6 days, 8 hours, 26 minutes, 40 seconds.
• To count from 1 to 81,307,240,504,000 would take you about six million, four hundred sixty-three thousand, two hundred ninety-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 81307240504000 cubic inches would be around 3610.2 feet tall.

Recreational maths with 81307240504000

• 81307240504000 backwards is 00040504270318
• The number of decimal digits it has is: 14
• The sum of 81307240504000's digits is 34
• More coming soon!