31916499981961

Names of 31916499981961

• Cardinal: 31916499981961 can be written as Thirty-one trillion, nine hundred sixteen billion, four hundred ninety-nine million, nine hundred eighty-one thousand, nine hundred sixty-one.

Scientific notation

• Scientific notation: 3.1916499981961 × 10¹³

Factors of 31916499981961

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 187

Divisors of 31916499981961

• Number of divisors d(n): 45
• Complete list of divisors:
  1 7 43 49 137 301 959 1849 2107 5891 6713 12943 18769 41237 90601 131383 253313 288659 807067 919681 1773191 2571353 5649469 12412337 17999471 34703881 39546283 110568179 125996297 242927167 352275361 773977253 1700490169 2465927527 4754431697 5417840771 15147840523 17261492689 33281021879 106034883661 232967153153 651357142489 742244185627 4559499997423 31916499981961
• Sum of all divisors σ(n): 38290355371521
• Sum of proper divisors (its aliquot sum) s(n): 6373855389560
• 31916499981961 is a deficient number, because the sum of its proper divisors (6373855389560) is less than itself. Its deficiency is 25542644592401

Bases of 31916499981961

• Binary: 111010000011100100011101001001101011010001001₂
• Hexadecimal: 0x1D0723A4D689
• Base-36: BBA8K12FD

Squares and roots of 31916499981961

• 31916499981961 squared (31916499981961²) is 1018662971098516513325405521
• 31916499981961 cubed (31916499981961³) is 32512156698690140961904165927119509806681
• 31916499981961 is a perfect square number. Its square root is 5649469
• The cube root of 31916499981961 is 31720.3828158057

Scales and comparisons

• 31,916,499,981,961 seconds is equal to 1,014,845 years, 50 weeks, 4 days, 23 hours, 26 minutes, 1 second.
• To count from 1 to 31,916,499,981,961 would take you about two million, five hundred thirty-seven thousand, one hundred fourteen 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 31916499981961 cubic inches would be around 2643.4 feet tall.

Recreational maths with 31916499981961

• 31916499981961 backwards is 16918999461913
• The number of decimal digits it has is: 14
• The sum of 31916499981961's digits is 76
• More coming soon!