81082371985344

Names of 81082371985344

• Cardinal: 81082371985344 can be written as Eighty-one trillion, eighty-two billion, three hundred seventy-one million, nine hundred eighty-five thousand, three hundred forty-four.

Scientific notation

• Scientific notation: 8.1082371985344 × 10¹³

Factors of 81082371985344

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 32205072

Divisors of 81082371985344

• Number of divisors d(n): 224
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 27 31 32 36 47 48 54 62 64 72 93 94 96 108 124 141 144 186 188 192 216 248 279 282 288 372 376 423 432 496 558 564 576 744 752 837 846 864 992 1116 1128 1269 1457 1488 1504 1674 1692 1728 1984 2232 2256 2538 2914 2976 3008 3348 3384 4371 4464 4512 5076 5828 5952 6696 6768 8742 8928 9024 10152 11656 13113 13392 13536 17484 17856 20304 23312 26226 26784 27072 34968 39339 40608 46624 52452 53568 69936 78678 81216 93248 104904 139872 157356 209808 279744 314712 419616 629424 839232 1258848 2517696 32204989 64409978 96614967 128819956 193229934 257639912 289844901 386459868 515279824 579689802 772919736 869534703 998354659 1030559648 1159379604 1513634483 1545839472 1739069406 1996709318 2061119296 2318759208 2995063977 3027268966 3091678944 3478138812 3993418636 4540903449 4637518416 5990127954 6054537932 6183357888 6956277624 7986837272 8985191931 9081806898 9275036832 11980255908 12109075864 13622710347 13912555248 15973674544 17970383862 18163613796 18550073664 23960511816 24218151728 26955575793 27245420694 27825110496 31947349088 35940767724 36327227592 40868131041 46922668973 47921023632 48436303456 53911151586 54490841388 55650220992 63894698176 71881535448 72654455184 81736262082 93845337946 95842047264 96872606912 107822303172 108981682776 140768006919 143763070896 145308910368 163472524164 187690675892 191684094528 215644606344 217963365552 281536013838 287526141792 290617820736 326945048328 375381351784 422304020757 431289212688 435926731104 563072027676 575052283584 653890096656 750762703568 844608041514 862578425376 871853462208 1126144055352 1266912062271 1307780193312 1501525407136 1689216083028 1725156850752 2252288110704 2533824124542 2615560386624 3003050814272 3378432166056 4504576221408 5067648249084 6756864332112 9009152442816 10135296498168 13513728664224 20270592996336 27027457328448 40541185992672 81082371985344
• Sum of all divisors σ(n): 251291672371200
• Sum of proper divisors (its aliquot sum) s(n): 170209300385856
• 81082371985344 is an abundant number, because the sum of its proper divisors (170209300385856) is greater than itself. Its abundance is 89126928400512

Bases of 81082371985344

• Binary: 10010011011111001110101111110101100111111000000₂
• Hexadecimal: 0x49BE75FACFC0
• Base-36: SQOQ6SMO0

Squares and roots of 81082371985344

• 81082371985344 squared (81082371985344²) is 6574351046769697512150798336
• 81082371985344 cubed (81082371985344³) is 533063977136416323066228864038450891587584
• The square root of 81082371985344 is 9004575.0585657289
• The cube root of 81082371985344 is 43282.1489255345

Scales and comparisons

• 81,082,371,985,344 seconds is equal to 2,578,168 years, 32 weeks, 3 days, 11 hours, 2 minutes, 24 seconds.
• To count from 1 to 81,082,371,985,344 would take you about six million, four hundred forty-five thousand, four hundred twenty-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 81082371985344 cubic inches would be around 3606.8 feet tall.

Recreational maths with 81082371985344

• 81082371985344 backwards is 44358917328018
• The number of decimal digits it has is: 14
• The sum of 81082371985344's digits is 63
• More coming soon!