81327692081250

Names of 81327692081250

• Cardinal: 81327692081250 can be written as Eighty-one trillion, three hundred twenty-seven billion, six hundred ninety-two million, eighty-one thousand, two hundred fifty.

Scientific notation

• Scientific notation: 8.132769208125 × 10¹³

Factors of 81327692081250

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 1804

Divisors of 81327692081250

• Number of divisors d(n): 360
• Complete list of divisors:
  1 2 3 5 6 9 10 15 18 25 27 30 45 50 53 54 75 81 90 106 125 135 150 159 162 225 250 265 270 318 375 405 450 477 530 625 675 750 795 810 954 1125 1250 1325 1350 1431 1590 1741 1875 2025 2250 2385 2650 2862 3125 3375 3482 3750 3975 4050 4293 4770 5223 5625 6250 6625 6750 7155 7950 8586 8705 9375 10125 10446 11250 11925 13250 14310 15669 16875 17410 18750 19875 20250 21465 23850 26115 28125 31338 33125 33750 35775 39750 42930 43525 47007 50625 52230 56250 59625 66250 71550 78345 84375 87050 92273 94014 99375 101250 107325 119250 130575 141021 156690 165625 168750 178875 184546 198750 214650 217625 235035 253125 261150 276819 282042 298125 331250 357750 391725 435250 461365 470070 496875 506250 536625 553638 596250 652875 705105 783450 830457 894375 922730 993750 1073250 1088125 1175175 1305750 1384095 1410210 1490625 1660914 1788750 1958625 2176250 2306825 2350350 2491371 2683125 2768190 2981250 3031081 3264375 3525525 3917250 4152285 4471875 4613650 4982742 5366250 5440625 5875875 6062162 6528750 6920475 7051050 7474113 8304570 8943750 9093243 9793125 10881250 11534125 11751750 12456855 13415625 13840950 14948226 15155405 16321875 17627625 18186486 19586250 20761425 23068250 24913710 26831250 27279729 29379375 30310810 32643750 34602375 35255250 37370565 41522850 45466215 48965625 54559458 57670625 58758750 62284275 69204750 74741130 75777025 81839187 88138125 90932430 97931250 103807125 115341250 124568550 136398645 146896875 151554050 160647293 163678374 173011875 176276250 186852825 207614250 227331075 245517561 272797290 288353125 293793750 311421375 321294586 346023750 373705650 378885125 409195935 440690625 454662150 481941879 491035122 519035625 576706250 622842750 681993225 757770250 803236465 818391870 865059375 881381250 934264125 963883758 1038071250 1136655375 1227587805 1363986450 1445825637 1557106875 1606472930 1730118750 1868528250 1894425625 2045979675 2273310750 2409709395 2455175610 2595178125 2891651274 3114213750 3409966125 3788851250 4016182325 4091959350 4337476911 4671320625 4819418790 5190356250 5683276875 6137939025 6819932250 7229128185 7785534375 8032364650 8674953822 9342641250 9472128125 10229898375 11366553750 12048546975 12275878050 13012430733 14458256370 15571068750 17049830625 18944256250 20080911625 20459796750 21687384555 23356603125 24097093950 26024861466 28416384375 30689695125 34099661250 36145640925 40161823250 43374769110 46713206250 51149491875 56832768750 60242734875 61379390250 65062153665 72291281850 85249153125 100404558125 102298983750 108436922775 120485469750 130124307330 153448475625 170498306250 180728204625 200809116250 216873845550 255747459375 301213674375 306896951250 325310768325 361456409250 502022790625 511494918750 542184613875 602427348750 650621536650 767242378125 903641023125 1004045581250 1084369227750 1506068371875 1534484756250 1626553841625 1807282046250 2710923069375 3012136743750 3253107683250 4518205115625 5421846138750 8132769208125 9036410231250 13554615346875 16265538416250 27109230693750 40663846040625 81327692081250
• Sum of all divisors σ(n): 232209342518076
• Sum of proper divisors (its aliquot sum) s(n): 150881650436826
• 81327692081250 is an abundant number, because the sum of its proper divisors (150881650436826) is greater than itself. Its abundance is 69553958355576

Bases of 81327692081250

• Binary: 10010011111011110010100001100100110100001100010₂
• Hexadecimal: 0x49F794326862
• Base-36: STTFC1O4I

Squares and roots of 81327692081250

• 81327692081250 squared (81327692081250²) is 6614193499262613956601562500
• 81327692081250 cubed (81327692081250³) is 537917092273835316792480625692626953125000
• The square root of 81327692081250 is 9018186.7402072575
• The cube root of 81327692081250 is 43325.7559807653

Scales and comparisons

• 81,327,692,081,250 seconds is equal to 2,585,969 years, 2 weeks, 2 days, 10 hours, 7 minutes, 30 seconds.
• To count from 1 to 81,327,692,081,250 would take you about six million, four hundred sixty-four thousand, nine hundred twenty-two 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 81327692081250 cubic inches would be around 3610.5 feet tall.

Recreational maths with 81327692081250

• 81327692081250 backwards is 05218029672318
• 81327692081250 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 81327692081250's digits is 54
• More coming soon!