8137807972

Names of 8137807972

• Cardinal: 8137807972 can be written as Eight billion, one hundred thirty-seven million, eight hundred seven thousand, nine hundred seventy-two.

Scientific notation

• Scientific notation: 8.137807972 × 10⁹

Factors of 8137807972

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 1131

Divisors of 8137807972

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 4 7 14 28 29 37 58 74 116 148 203 259 406 439 518 617 812 878 1036 1073 1234 1756 2146 2468 3073 4292 4319 6146 7511 8638 12292 12731 15022 16243 17276 17893 22829 25462 30044 32486 35786 45658 50924 64972 71572 89117 91316 113701 125251 159803 178234 227402 250502 270863 319606 356468 454804 471047 501004 541726 639212 662041 942094 1083452 1324082 1884188 1896041 2648164 3297329 3792082 4634287 6594658 7584164 7855027 9268574 10021931 13189316 15710054 18537148 20043862 31420108 40087724 54985189 70153517 109970378 140307034 219940756 280614068 290635999 581271998 1162543996 2034451993 4068903986 8137807972
• Sum of all divisors σ(n): 17359372800
• Sum of proper divisors (its aliquot sum) s(n): 9221564828
• 8137807972 is an abundant number, because the sum of its proper divisors (9221564828) is greater than itself. Its abundance is 1083756856

Bases of 8137807972

• Binary: 111100101000011010001100001100100₂
• Hexadecimal: 0x1E50D1864
• Base-36: 3QL1GTG

Squares and roots of 8137807972

• 8137807972 squared (8137807972²) is 66223918589146752784
• 8137807972 cubed (8137807972³) is 538917532631837437483548394048
• The square root of 8137807972 is 90209.7997559023
• The cube root of 8137807972 is 2011.4186804649

Scales and comparisons

• 8,137,807,972 seconds is equal to 258 years, 39 weeks, 2 days, 14 hours, 12 minutes, 52 seconds.
• To count from 1 to 8,137,807,972 would take you about five 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 8137807972 cubic inches would be around 167.6 feet tall.

Recreational maths with 8137807972

• 8137807972 backwards is 2797087318
• The number of decimal digits it has is: 10
• The sum of 8137807972's digits is 52
• More coming soon!