31213039831686

Names of 31213039831686

• Cardinal: 31213039831686 can be written as Thirty-one trillion, two hundred thirteen billion, thirty-nine million, eight hundred thirty-one thousand, six hundred eighty-six.

Scientific notation

• Scientific notation: 3.1213039831686 × 10¹³

Factors of 31213039831686

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 256631578

Divisors of 31213039831686

• Number of divisors d(n): 48
• Complete list of divisors:
  1 2 3 6 9 18 29 58 87 174 233 261 466 522 699 1398 2097 4194 6757 13514 20271 40542 60813 121626 256631311 513262622 769893933 1539787866 2309681799 4619363598 7442308019 14884616038 22326924057 44653848114 59795095463 66980772171 119590190926 133961544342 179385286389 358770572778 538155859167 1076311718334 1734057768427 3468115536854 5202173305281 10404346610562 15606519915843 31213039831686
• Sum of all divisors σ(n): 70260520599360
• Sum of proper divisors (its aliquot sum) s(n): 39047480767674
• 31213039831686 is an abundant number, because the sum of its proper divisors (39047480767674) is greater than itself. Its abundance is 7834440935988

Bases of 31213039831686

• Binary: 111000110001101011010001001101100101010000110₂
• Hexadecimal: 0x1C635A26CA86
• Base-36: B2B2M0OLI

Squares and roots of 31213039831686

• 31213039831686 squared (31213039831686²) is 974253855534416799209602596
• 31213039831686 cubed (31213039831686³) is 30409424398969409489981465070886788656856
• The square root of 31213039831686 is 5586863.1477499071
• The cube root of 31213039831686 is 31485.6035101039

Scales and comparisons

• 31,213,039,831,686 seconds is equal to 992,478 years, 6 weeks, 1 day, 2 hours, 8 minutes, 6 seconds.
• To count from 1 to 31,213,039,831,686 would take you about two million, four hundred eighty-one thousand, one hundred ninety-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 31213039831686 cubic inches would be around 2623.8 feet tall.

Recreational maths with 31213039831686

• 31213039831686 backwards is 68613893031213
• The number of decimal digits it has is: 14
• The sum of 31213039831686's digits is 54
• More coming soon!