31486660002145021

Names of 31486660002145021

• Cardinal: 31486660002145021 can be written as Thirty-one quadrillion, four hundred eighty-six trillion, six hundred sixty billion, two million, one hundred forty-five thousand and twenty-one.

Scientific notation

• Scientific notation: 3.1486660002145021 × 10¹⁶

Factors of 31486660002145021

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 125845

Divisors of 31486660002145021

• Number of divisors d(n): 32
• Complete list of divisors:
  1 17 571 2857 9707 10111 48569 112289 171887 1631347 1908913 5773381 27732899 28887127 64117019 98147477 320809673 491081159 1089989323 1135354079 5453764441 16494549517 19301019343 183182323283 280407341789 648287179109 3114099495811 3243706603703 11020882044853 55143012262951 1852156470714413 31486660002145021
• Sum of all divisors σ(n): 33412494565232640
• Sum of proper divisors (its aliquot sum) s(n): 1925834563087619
• 31486660002145021 is a deficient number, because the sum of its proper divisors (1925834563087619) is less than itself. Its deficiency is 29560825439057402

Bases of 31486660002145021

• Binary: 1101111110111001111001101010000100101110110001011111101₂
• Hexadecimal: 0x6FDCF3509762FD
• Base-36: 8M137WZT24D

Squares and roots of 31486660002145021

• 31486660002145021 squared (31486660002145021²) is 991409758090679093844321115090441
• 31486660002145021 cubed (31486660002145021³) is 31216181975810056547693658442230624539672412844261
• The square root of 31486660002145021 is 177444808.3268288269
• The cube root of 31486660002145021 is 315773.3914591187

Scales and comparisons

• 31,486,660,002,145,021 seconds is equal to 1,001,178,393 years, 22 weeks, 4 days, 17 minutes, 1 second.
• To count from 1 to 31,486,660,002,145,021 would take you about three billion, three million, five hundred thirty-five thousand, one hundred eighty 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 31486660002145021 cubic inches would be around 26314.4 feet tall.

Recreational maths with 31486660002145021

• 31486660002145021 backwards is 12054120006668413
• The number of decimal digits it has is: 17
• The sum of 31486660002145021's digits is 49
• More coming soon!