81482579376

Names of 81482579376

• Cardinal: 81482579376 can be written as Eighty-one billion, four hundred eighty-two million, five hundred seventy-nine thousand, three hundred seventy-six.

Scientific notation

• Scientific notation: 8.1482579376 × 10¹⁰

Factors of 81482579376

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 1032

Divisors of 81482579376

• Number of divisors d(n): 120
• Complete list of divisors:
  1 2 3 4 6 8 11 12 16 22 24 33 44 48 66 88 132 176 264 307 528 614 709 921 1228 1418 1842 2127 2456 2836 3377 3684 4254 4912 5672 6754 7368 7799 8508 10131 11344 13508 14736 15598 17016 20262 23397 27016 31196 34032 40524 46794 54032 62392 81048 93588 124784 162096 187176 217663 374352 435326 502681 652989 870652 1005362 1305978 1508043 1741304 2010724 2394293 2611956 3016086 3482608 4021448 4788586 5223912 5529491 6032172 7182879 8042896 9577172 10447824 11058982 12064344 14365758 16588473 19154344 22117964 24128688 28731516 33176946 38308688 44235928 57463032 66353892 88471856 114926064 132707784 154323067 265415568 308646134 462969201 617292268 925938402 1234584536 1697553737 1851876804 2469169072 3395107474 3703753608 5092661211 6790214948 7407507216 10185322422 13580429896 20370644844 27160859792 40741289688 81482579376
• Sum of all divisors σ(n): 230706108864
• Sum of proper divisors (its aliquot sum) s(n): 149223529488
• 81482579376 is an abundant number, because the sum of its proper divisors (149223529488) is greater than itself. Its abundance is 67740950112

Bases of 81482579376

• Binary: 1001011111000101111010111110110110000₂
• Hexadecimal: 0x12F8BD7DB0
• Base-36: 11FKMGMO

Squares and roots of 81482579376

• 81482579376 squared (81482579376²) is 6639410741766140549376
• 81482579376 cubed (81482579376³) is 540996312775826585743702167269376
• The square root of 81482579376 is 285451.5359496251
• The cube root of 81482579376 is 4335.3242942807

Scales and comparisons

• 81,482,579,376 seconds is equal to 2,590 years, 46 weeks, 3 days, 9 hours, 49 minutes, 36 seconds.
• To count from 1 to 81,482,579,376 would take you about five thousand, one hundred eighty-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 81482579376 cubic inches would be around 361.3 feet tall.

Recreational maths with 81482579376

• 81482579376 backwards is 67397528418
• The number of decimal digits it has is: 11
• The sum of 81482579376's digits is 60
• More coming soon!