31499672997

Names of 31499672997

• Cardinal: 31499672997 can be written as Thirty-one billion, four hundred ninety-nine million, six hundred seventy-two thousand, nine hundred ninety-seven.

Scientific notation

• Scientific notation: 3.1499672997 × 10¹⁰

Factors of 31499672997

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 1342

Divisors of 31499672997

• Number of divisors d(n): 64
• Complete list of divisors:
  1 3 13 17 39 51 221 223 257 663 669 771 829 2487 2899 3341 3791 4369 8697 10023 10777 11373 13107 14093 32331 42279 49283 56797 57311 147849 170391 171933 183209 184867 213053 549627 554601 639159 745043 974287 2235129 2403271 2769689 2922861 3142739 3621901 7209813 8309067 9428217 10865703 12665731 37997193 40855607 47084713 47510819 122566821 141254139 142532457 617640647 807683923 1852921941 2423051769 10499890999 31499672997
• Sum of all divisors σ(n): 48351098880
• Sum of proper divisors (its aliquot sum) s(n): 16851425883
• 31499672997 is a deficient number, because the sum of its proper divisors (16851425883) is less than itself. Its deficiency is 14648247114

Bases of 31499672997

• Binary: 11101010101100001101101110110100101₂
• Hexadecimal: 0x75586DDA5
• Base-36: EGY3B8L

Squares and roots of 31499672997

• 31499672997 squared (31499672997²) is 992229398917930962009
• 31499672997 cubed (31499672997³) is 31254901603924690943105130170973
• The square root of 31499672997 is 177481.4722640085
• The cube root of 31499672997 is 3158.1688703855

Scales and comparisons

• 31,499,672,997 seconds is equal to 1,001 years, 30 weeks, 5 days, 13 hours, 9 minutes, 57 seconds.
• To count from 1 to 31,499,672,997 would take you about two thousand and three 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 31499672997 cubic inches would be around 263.2 feet tall.

Recreational maths with 31499672997

• 31499672997 backwards is 79927699413
• The number of decimal digits it has is: 11
• The sum of 31499672997's digits is 66
• More coming soon!