72312654981

Names of 72312654981

• Cardinal: 72312654981 can be written as Seventy-two billion, three hundred twelve million, six hundred fifty-four thousand, nine hundred eighty-one.

Scientific notation

• Scientific notation: 7.2312654981 × 10¹⁰

Factors of 72312654981

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 194

Divisors of 72312654981

• Number of divisors d(n): 72
• Complete list of divisors:
  1 3 7 21 49 83 101 147 249 303 343 581 707 1029 1743 2121 4067 4949 6889 8383 10201 12201 14847 20667 25149 28469 30603 34643 48223 58681 71407 85407 103929 144669 176043 214221 337561 410767 499849 695789 846683 1012683 1232301 1499547 2087367 2362927 2540049 2875369 3498943 4870523 5926781 7088781 8626107 10496829 14611569 17780343 34093661 41487467 70274689 102280983 124462401 210824067 238655627 290412269 491922823 715966881 871236807 1475768469 3443459761 10330379283 24104218327 72312654981
• Sum of all divisors σ(n): 114948510400
• Sum of proper divisors (its aliquot sum) s(n): 42635855419
• 72312654981 is a deficient number, because the sum of its proper divisors (42635855419) is less than itself. Its deficiency is 29676799562

Bases of 72312654981

• Binary: 1000011010110001010111000110010000101₂
• Hexadecimal: 0x10D62B8C85
• Base-36: X7X35OL

Squares and roots of 72312654981

• 72312654981 squared (72312654981²) is 5229120070401144110361
• 72312654981 cubed (72312654981³) is 378131555505140364320195180358141
• The square root of 72312654981 is 268910.1243557039
• The cube root of 72312654981 is 4166.1806967351

Scales and comparisons

• 72,312,654,981 seconds is equal to 2,299 years, 16 weeks, 4 days, 36 minutes, 21 seconds.
• To count from 1 to 72,312,654,981 would take you about four thousand, five hundred ninety-eight 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 72312654981 cubic inches would be around 347.2 feet tall.

Recreational maths with 72312654981

• 72312654981 backwards is 18945621327
• The number of decimal digits it has is: 11
• The sum of 72312654981's digits is 48
• More coming soon!