31243558887021

Names of 31243558887021

• Cardinal: 31243558887021 can be written as Thirty-one trillion, two hundred forty-three billion, five hundred fifty-eight million, eight hundred eighty-seven thousand and twenty-one.

Scientific notation

• Scientific notation: 3.1243558887021 × 10¹³

Factors of 31243558887021

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 104625493

Divisors of 31243558887021

• Number of divisors d(n): 48
• Complete list of divisors:
  1 3 13 19 31 39 57 93 169 247 403 507 589 741 1209 1767 3211 5239 7657 9633 15717 22971 99541 298623 104625427 313876281 1360130551 1987883113 3243388237 4080391653 5963649339 9730164711 17681697163 25842480469 42164047081 53045091489 61624376503 77527441407 126492141243 184873129509 335952246097 548132612053 801116894539 1007856738291 1644397836159 2403350683617 10414519629007 31243558887021
• Sum of all divisors σ(n): 49014920509440
• Sum of proper divisors (its aliquot sum) s(n): 17771361622419
• 31243558887021 is a deficient number, because the sum of its proper divisors (17771361622419) is less than itself. Its deficiency is 13472197264602

Bases of 31243558887021

• Binary: 111000110101001110101001110101001111001101101₂
• Hexadecimal: 0x1C6A753A9E6D
• Base-36: B2P3C9YEL

Squares and roots of 31243558887021

• 31243558887021 squared (31243558887021²) is 976159971926748908242254441
• 31243558887021 cubed (31243558887021³) is 30498711566046145724540298016093854510261
• The square root of 31243558887021 is 5589593.8034011917
• The cube root of 31243558887021 is 31495.8620203173

Scales and comparisons

• 31,243,558,887,021 seconds is equal to 993,448 years, 27 weeks, 3 days, 21 hours, 30 minutes, 21 seconds.
• To count from 1 to 31,243,558,887,021 would take you about two million, four hundred eighty-three thousand, six hundred twenty-one 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 31243558887021 cubic inches would be around 2624.7 feet tall.

Recreational maths with 31243558887021

• 31243558887021 backwards is 12078885534213
• 31243558887021 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 31243558887021's digits is 57
• More coming soon!