31423257391904

Names of 31423257391904

• Cardinal: 31423257391904 can be written as Thirty-one trillion, four hundred twenty-three billion, two hundred fifty-seven million, three hundred ninety-one thousand, nine hundred four.

Scientific notation

• Scientific notation: 3.1423257391904 × 10¹³

Factors of 31423257391904

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 138809

Divisors of 31423257391904

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 4 7 8 14 16 28 32 56 112 224 1009 2018 4036 7063 8072 14126 16144 28252 32288 56504 113008 137791 226016 275582 551164 964537 1018081 1102328 1929074 2036162 2204656 3858148 4072324 4409312 7126567 7716296 8144648 14253134 15432592 16289296 28506268 30865184 32578592 57012536 114025072 139031119 228050144 278062238 556124476 973217833 1112248952 1946435666 2224497904 3892871332 4448995808 7785742664 15571485328 31142970656 140282399071 280564798142 561129596284 981976793497 1122259192568 1963953586994 2244518385136 3927907173988 4489036770272 7855814347976 15711628695952 31423257391904
• Sum of all divisors σ(n): 70772983884288
• Sum of proper divisors (its aliquot sum) s(n): 39349726492384
• 31423257391904 is an abundant number, because the sum of its proper divisors (39349726492384) is greater than itself. Its abundance is 7926469100480

Bases of 31423257391904

• Binary: 111001001010001001100000110000011001100100000₂
• Hexadecimal: 0x1C944C183320
• Base-36: B4ZN84K68

Squares and roots of 31423257391904

• 31423257391904 squared (31423257391904²) is 987421105117849376244745216
• 31423257391904 cubed (31423257391904³) is 31027987540316477017133965769709141131264
• The square root of 31423257391904 is 5605645.1361019991
• The cube root of 31423257391904 is 31556.1298353217

Scales and comparisons

• 31,423,257,391,904 seconds is equal to 999,162 years, 20 weeks, 16 hours, 51 minutes, 44 seconds.
• To count from 1 to 31,423,257,391,904 would take you about two million, four hundred ninety-seven thousand, nine hundred five 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 31423257391904 cubic inches would be around 2629.7 feet tall.

Recreational maths with 31423257391904

• 31423257391904 backwards is 40919375232413
• The number of decimal digits it has is: 14
• The sum of 31423257391904's digits is 53
• More coming soon!