8221010988981

Names of 8221010988981

• Cardinal: 8221010988981 can be written as Eight trillion, two hundred twenty-one billion, ten million, nine hundred eighty-eight thousand, nine hundred eighty-one.

Scientific notation

• Scientific notation: 8.221010988981 × 10¹²

Factors of 8221010988981

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 123

Divisors of 8221010988981

• Number of divisors d(n): 60
• Complete list of divisors:
  1 3 7 21 49 113 147 339 343 791 1029 2373 2401 5537 7203 12769 16611 16807 38307 38759 50421 89383 116277 268149 271313 625681 813939 1442897 1877043 1899191 4328691 4379767 5697573 10100279 13139301 30300837 30658369 70701953 91975107 163047361 212105859 214608583 489142083 494913671 643825749 1141331527 1484741013 3423994581 3464395697 7989320689 10393187091 23967962067 24250769879 55925244823 72752309637 167775734469 391476713761 1174430141283 2740336996327 8221010988981
• Sum of all divisors σ(n): 12902310354912
• Sum of proper divisors (its aliquot sum) s(n): 4681299365931
• 8221010988981 is a deficient number, because the sum of its proper divisors (4681299365931) is less than itself. Its deficiency is 3539711623050

Bases of 8221010988981

• Binary: 1110111101000011010011100001000111110110101₂
• Hexadecimal: 0x77A1A708FB5
• Base-36: 2WWOHOKOL

Squares and roots of 8221010988981

• 8221010988981 squared (8221010988981²) is 67585021680946359703418361
• 8221010988981 cubed (8221010988981³) is 555617205929579159629411145811004080141
• The square root of 8221010988981 is 2867230.5433956649
• The cube root of 8221010988981 is 20182.5053482723

Scales and comparisons

• 8,221,010,988,981 seconds is equal to 261,402 years, 37 weeks, 3 days, 3 hours, 36 minutes, 21 seconds.
• To count from 1 to 8,221,010,988,981 would take you about six hundred fifty-three thousand, five hundred 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 8221010988981 cubic inches would be around 1681.9 feet tall.

Recreational maths with 8221010988981

• 8221010988981 backwards is 1898890101228
• The number of decimal digits it has is: 13
• The sum of 8221010988981's digits is 57
• More coming soon!