31920244955290129

Names of 31920244955290129

• Cardinal: 31920244955290129 can be written as Thirty-one quadrillion, nine hundred twenty trillion, two hundred forty-four billion, nine hundred fifty-five million, two hundred ninety thousand, one hundred twenty-nine.

Scientific notation

• Scientific notation: 3.1920244955290129 × 10¹⁶

Factors of 31920244955290129

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 218743

Divisors of 31920244955290129

• Number of divisors d(n): 27
• Complete list of divisors:
  1 19 43 361 817 1849 15523 35131 218681 667489 4154939 9403283 78943841 178662377 404341169 3394585163 7682482211 47821379761 145967162009 908606215459 2056319329723 17263518093721 39070067264737 88421731178089 742331278030003 1680012892383691 31920244955290129
• Sum of all divisors σ(n): 34490514909840219
• Sum of proper divisors (its aliquot sum) s(n): 2570269954550090
• 31920244955290129 is a deficient number, because the sum of its proper divisors (2570269954550090) is less than itself. Its deficiency is 29349975000740039

Bases of 31920244955290129

• Binary: 1110001011001110100101100101101101101000001101000010001₂
• Hexadecimal: 0x71674B2DB41A11
• Base-36: 8QAS63E2T5D

Squares and roots of 31920244955290129

• 31920244955290129 squared (31920244955290129²) is 1018902038005724929522182564836641
• 31920244955290129 cubed (31920244955290129³) is 32523602638587072472082741543893091584749644816689
• 31920244955290129 is a perfect square number. Its square root is 178662377
• The cube root of 31920244955290129 is 317216.2342115385

Scales and comparisons

• 31,920,244,955,290,129 seconds is equal to 1,014,965,053 years, 40 weeks, 3 days, 2 hours, 48 minutes, 49 seconds.
• To count from 1 to 31,920,244,955,290,129 would take you about three billion, forty-four million, eight hundred ninety-five thousand, one hundred sixty-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 31920244955290129 cubic inches would be around 26434.7 feet tall.

Recreational maths with 31920244955290129

• 31920244955290129 backwards is 92109255944202913
• The number of decimal digits it has is: 17
• The sum of 31920244955290129's digits is 67
• More coming soon!