31816816894581481

Names of 31816816894581481

• Cardinal: 31816816894581481 can be written as Thirty-one quadrillion, eight hundred sixteen trillion, eight hundred sixteen billion, eight hundred ninety-four million, five hundred eighty-one thousand, four hundred eighty-one.

Scientific notation

• Scientific notation: 3.1816816894581481 × 10¹⁶

Factors of 31816816894581481

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 10620

Divisors of 31816816894581481

• Number of divisors d(n): 33
• Complete list of divisors:
  1 7 49 343 2401 10613 16807 74291 117649 520037 823543 3640259 5764801 25481813 40353607 112635769 178372691 282475249 788450383 1248608837 5519152681 8740261859 38634068767 61181833013 270438481369 428272831091 1893069369583 2997909817637 13251485587081 92760399109567 649322793766969 4545259556368783 31816816894581481
• Sum of all divisors σ(n): 37123117582579031
• Sum of proper divisors (its aliquot sum) s(n): 5306300687997550
• 31816816894581481 is a deficient number, because the sum of its proper divisors (5306300687997550) is less than itself. Its deficiency is 26510516206583931

Bases of 31816816894581481

• Binary: 1110001000010010011100111110100111000101001101011101001₂
• Hexadecimal: 0x710939F4E29AE9
• Base-36: 8PA4BWD5YI1

Squares and roots of 31816816894581481

• 31816816894581481 squared (31816816894581481²) is 1012309837303325556245018148153361
• 31816816894581481 cubed (31816816894581481³) is 32208476734063478896823415667273360565487098507641
• 31816816894581481 is a perfect square number. Its square root is 178372691
• The cube root of 31816816894581481 is 316873.2485410217

Scales and comparisons

• 31,816,816,894,581,481 seconds is equal to 1,011,676,361 years, 19 weeks, 2 days, 3 hours, 18 minutes, 1 second.
• To count from 1 to 31,816,816,894,581,481 would take you about three billion, thirty-five million, twenty-nine thousand and eighty-four 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 31816816894581481 cubic inches would be around 26406.1 feet tall.

Recreational maths with 31816816894581481

• 31816816894581481 backwards is 18418549861861813
• The number of decimal digits it has is: 17
• The sum of 31816816894581481's digits is 82
• More coming soon!