31990720609156

Names of 31990720609156

• Cardinal: 31990720609156 can be written as Thirty-one trillion, nine hundred ninety billion, seven hundred twenty million, six hundred nine thousand, one hundred fifty-six.

Scientific notation

• Scientific notation: 3.1990720609156 × 10¹³

Factors of 31990720609156

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 865

Divisors of 31990720609156

• Number of divisors d(n): 81
• Complete list of divisors:
  1 2 4 19 38 76 251 361 502 593 722 1004 1186 1444 2372 4769 9538 11267 19076 22534 45068 63001 90611 126002 148843 181222 214073 252004 297686 351649 362444 428146 595372 703298 856292 1197019 1406596 2394038 2828017 4788076 5656034 6681331 11312068 13362662 22743361 26725324 37359593 45486722 53732323 74719186 88263899 90973444 107464646 126945289 149438372 176527798 214929292 253890578 353055596 507781156 709832267 1419664534 1677014081 2839329068 3354028162 6708056324 13486813073 22154238649 26973626146 31863267539 44308477298 53947252292 63726535078 88616954596 127453070156 420930534331 841861068662 1683722137324 7997680152289 15995360304578 31990720609156
• Sum of all divisors σ(n): 59421897419493
• Sum of proper divisors (its aliquot sum) s(n): 27431176810337
• 31990720609156 is a deficient number, because the sum of its proper divisors (27431176810337) is less than itself. Its deficiency is 4559543798819

Bases of 31990720609156

• Binary: 111010001100001101011100010011011101110000100₂
• Hexadecimal: 0x1D186B89BB84
• Base-36: BC8C12OW4

Squares and roots of 31990720609156

• 31990720609156 squared (31990720609156²) is 1023406205093078435711032336
• 31990720609156 cubed (31990720609156³) is 32739501976809276444548923955911533668416
• 31990720609156 is a perfect square number. Its square root is 5656034
• The cube root of 31990720609156 is 31744.9519687735

Scales and comparisons

• 31,990,720,609,156 seconds is equal to 1,017,205 years, 50 weeks, 19 minutes, 16 seconds.
• To count from 1 to 31,990,720,609,156 would take you about two million, five hundred forty-three thousand and 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 31990720609156 cubic inches would be around 2645.4 feet tall.

Recreational maths with 31990720609156

• 31990720609156 backwards is 65190602709913
• The number of decimal digits it has is: 14
• The sum of 31990720609156's digits is 58
• More coming soon!