31497621796389

Names of 31497621796389

• Cardinal: 31497621796389 can be written as Thirty-one trillion, four hundred ninety-seven billion, six hundred twenty-one million, seven hundred ninety-six thousand, three hundred eighty-nine.

Scientific notation

• Scientific notation: 3.1497621796389 × 10¹³

Factors of 31497621796389

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 702434

Divisors of 31497621796389

• Number of divisors d(n): 64
• Complete list of divisors:
  1 3 7 19 21 57 103 133 309 399 721 1093 1957 2163 3279 5871 7651 13699 20767 22953 41097 62301 112579 145369 337737 436107 701209 788053 2103627 2139001 2364159 4908463 6417003 13322971 14725389 14973007 39968913 44919021 72224527 93260797 216673581 279782391 505571689 766421437 1372266013 1516715067 2299264311 4116798039 5364950059 9605862091 14562007303 16094850177 28817586273 43686021909 78941408011 101934051121 236824224033 305802153363 552589856077 1499886752209 1657769568231 4499660256627 10499207265463 31497621796389
• Sum of all divisors σ(n): 51059756134400
• Sum of proper divisors (its aliquot sum) s(n): 19562134338011
• 31497621796389 is a deficient number, because the sum of its proper divisors (19562134338011) is less than itself. Its deficiency is 11935487458378

Bases of 31497621796389

• Binary: 111001010010110011100100011101111011000100101₂
• Hexadecimal: 0x1CA59C8EF625
• Base-36: B5XT2RTWL

Squares and roots of 31497621796389

• 31497621796389 squared (31497621796389²) is 992100178828359415373439321
• 31497621796389 cubed (31497621796389³) is 31248796216865558234152491649193308411869
• The square root of 31497621796389 is 5612274.2089449801
• The cube root of 31497621796389 is 31581.0031751999

Scales and comparisons

• 31,497,621,796,389 seconds is equal to 1,001,526 years, 49 weeks, 19 hours, 53 minutes, 9 seconds.
• To count from 1 to 31,497,621,796,389 would take you about two million, five hundred three thousand, eight hundred seventeen 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 31497621796389 cubic inches would be around 2631.8 feet tall.

Recreational maths with 31497621796389

• 31497621796389 backwards is 98369712679413
• The number of decimal digits it has is: 14
• The sum of 31497621796389's digits is 75
• More coming soon!