231531631728640

Names of 231531631728640

• Cardinal: 231531631728640 can be written as Two hundred thirty-one trillion, five hundred thirty-one billion, six hundred thirty-one million, seven hundred twenty-eight thousand, six hundred forty.

Scientific notation

• Scientific notation: 2.3153163172864 × 10¹⁴

Factors of 231531631728640

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 22610510918

Divisors of 231531631728640

• Number of divisors d(n): 48
• Complete list of divisors:
  1 2 4 5 8 10 16 20 32 40 64 80 128 160 256 320 512 640 1024 1280 2048 2560 5120 10240 22610510911 45221021822 90442043644 113052554555 180884087288 226105109110 361768174576 452210218220 723536349152 904420436440 1447072698304 1808840872880 2894145396608 3617681745760 5788290793216 7235363491520 11576581586432 14470726983040 23153163172864 28941453966080 46306326345728 57882907932160 115765815864320 231531631728640
• Sum of all divisors σ(n): 555540253107840
• Sum of proper divisors (its aliquot sum) s(n): 324008621379200
• 231531631728640 is an abundant number, because the sum of its proper divisors (324008621379200) is greater than itself. Its abundance is 92476989650560

Bases of 231531631728640

• Binary: 110100101001001110101000101010011101100000000000₂
• Hexadecimal: 0xD293A8A9D800
• Base-36: 2A2K5VK7WG

Squares and roots of 231531631728640

• 231531631728640 squared (231531631728640²) is 53606896490926576754596249600
• 231531631728640 cubed (231531631728640³) is 12411692216452536076387097302840108908544000
• The square root of 231531631728640 is 15216163.5022971543
• The cube root of 231531631728640 is 61404.9587793269

Scales and comparisons

• 231,531,631,728,640 seconds is equal to 7,361,989 years, 37 weeks, 1 day, 2 hours, 50 minutes, 40 seconds.
• To count from 1 to 231,531,631,728,640 would take you about eighteen million, four hundred four thousand, nine hundred seventy-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 231531631728640 cubic inches would be around 5117.1 feet tall.

Recreational maths with 231531631728640

• 231531631728640 backwards is 046827136135132
• The number of decimal digits it has is: 15
• The sum of 231531631728640's digits is 52
• More coming soon!