31816401997086721

Names of 31816401997086721

• Cardinal: 31816401997086721 can be written as Thirty-one quadrillion, eight hundred sixteen trillion, four hundred one billion, nine hundred ninety-seven million, eighty-six thousand, seven hundred twenty-one.

Scientific notation

• Scientific notation: 3.1816401997086721 × 10¹⁶

Factors of 31816401997086721

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 4545200285298110

Divisors of 31816401997086721

• Number of divisors d(n): 4
• Complete list of divisors:
  1 7 4545200285298103 31816401997086721
• Sum of all divisors σ(n): 36361602282384832
• Sum of proper divisors (its aliquot sum) s(n): 4545200285298111
• 31816401997086721 is a deficient number, because the sum of its proper divisors (4545200285298111) is less than itself. Its deficiency is 27271201711788610

Bases of 31816401997086721

• Binary: 1110001000010001101100101011011000100010100000000000001₂
• Hexadecimal: 0x7108D95B114001
• Base-36: 8P9Z1APWQO1

Squares and roots of 31816401997086721

• 31816401997086721 squared (31816401997086721²) is 1012283436040223888404171194531841
• 31816401997086721 cubed (31816401997086721³) is 32207216736047987327206421792659039602647472783361
• The square root of 31816401997086721 is 178371527.9888769721
• The cube root of 31816401997086721 is 316871.8711720569

Scales and comparisons

• 31,816,401,997,086,721 seconds is equal to 1,011,663,168 years, 47 weeks, 3 days, 19 hours, 12 minutes, 1 second.
• To count from 1 to 31,816,401,997,086,721 would take you about three billion, thirty-four million, nine hundred eighty-nine thousand, five hundred six 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 31816401997086721 cubic inches would be around 26406 feet tall.

Recreational maths with 31816401997086721

• 31816401997086721 backwards is 12768079910461813
• The number of decimal digits it has is: 17
• The sum of 31816401997086721's digits is 73
• More coming soon!