13687292912

Names of 13687292912

• Cardinal: 13687292912 can be written as Thirteen billion, six hundred eighty-seven million, two hundred ninety-two thousand, nine hundred twelve.

Scientific notation

• Scientific notation: 1.3687292912 × 10¹⁰

Factors of 13687292912

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 768

Divisors of 13687292912

• Number of divisors d(n): 80
• Complete list of divisors:
  1 2 4 8 16 89 131 178 239 262 307 356 478 524 614 712 956 1048 1228 1424 1912 2096 2456 3824 4912 11659 21271 23318 27323 31309 40217 42542 46636 54646 62618 73373 80434 85084 93272 109292 125236 146746 160868 170168 186544 218584 250472 293492 321736 340336 437168 500944 586984 643472 1173968 2786501 3579313 5573002 6530197 7158626 9611863 11146004 13060394 14317252 19223726 22292008 26120788 28634504 38447452 44584016 52241576 57269008 76894904 104483152 153789808 855455807 1710911614 3421823228 6843646456 13687292912
• Sum of all divisors σ(n): 27223257600
• Sum of proper divisors (its aliquot sum) s(n): 13535964688
• 13687292912 is a deficient number, because the sum of its proper divisors (13535964688) is less than itself. Its deficiency is 151328224

Bases of 13687292912

• Binary: 1100101111110100111000001111110000₂
• Hexadecimal: 0x32FD383F0
• Base-36: 6AD26SW

Squares and roots of 13687292912

• 13687292912 squared (13687292912²) is 187341987258885439744
• 13687292912 cubed (13687292912³) is 2564204654328536988428054294528
• The square root of 13687292912 is 116992.7045246839
• The cube root of 13687292912 is 2392.0624874151

Scales and comparisons

• 13,687,292,912 seconds is equal to 435 years, 11 weeks, 17 hours, 48 minutes, 32 seconds.
• To count from 1 to 13,687,292,912 would take you about eight hundred seventy 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 13687292912 cubic inches would be around 199.3 feet tall.

Recreational maths with 13687292912

• 13687292912 backwards is 21929278631
• The number of decimal digits it has is: 11
• The sum of 13687292912's digits is 50
• More coming soon!