31997986457470

Names of 31997986457470

• Cardinal: 31997986457470 can be written as Thirty-one trillion, nine hundred ninety-seven billion, nine hundred eighty-six million, four hundred fifty-seven thousand, four hundred seventy.

Scientific notation

• Scientific notation: 3.199798645747 × 10¹³

Factors of 31997986457470

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 1742270

Divisors of 31997986457470

• Number of divisors d(n): 48
• Complete list of divisors:
  1 2 5 10 11 22 55 110 121 242 605 1210 15313 30626 76565 153130 168443 336886 842215 1684430 1726939 1852873 3453878 3705746 8634695 9264365 17269390 18528730 18996329 37992658 94981645 189963290 208959619 417919238 1044798095 2089596190 26444616907 52889233814 132223084535 264446169070 290890785977 581781571954 1454453929885 2908907859770 3199798645747 6399597291494 15998993228735 31997986457470
• Sum of all divisors σ(n): 63312583829040
• Sum of proper divisors (its aliquot sum) s(n): 31314597371570
• 31997986457470 is a deficient number, because the sum of its proper divisors (31314597371570) is less than itself. Its deficiency is 683389085900

Bases of 31997986457470

• Binary: 111010001101000011100100111011100011101111110₂
• Hexadecimal: 0x1D1A1C9DC77E
• Base-36: BCBO6Z1BY

Squares and roots of 31997986457470

• 31997986457470 squared (31997986457470²) is 1023871137332433520118800900
• 31997986457470 cubed (31997986457470³) is 32761814786557614318160471983735247723000
• The square root of 31997986457470 is 5656676.2729954769
• The cube root of 31997986457470 is 31747.3551296613

Scales and comparisons

• 31,997,986,457,470 seconds is equal to 1,017,436 years, 51 weeks, 4 days, 11 hours, 31 minutes, 10 seconds.
• To count from 1 to 31,997,986,457,470 would take you about two million, five hundred forty-three thousand, five hundred ninety-two 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 31997986457470 cubic inches would be around 2645.6 feet tall.

Recreational maths with 31997986457470

• 31997986457470 backwards is 07475468979913
• The number of decimal digits it has is: 14
• The sum of 31997986457470's digits is 79
• More coming soon!