13613687172

Names of 13613687172

• Cardinal: 13613687172 can be written as Thirteen billion, six hundred thirteen million, six hundred eighty-seven thousand, one hundred seventy-two.

Scientific notation

• Scientific notation: 1.3613687172 × 10¹⁰

Factors of 13613687172

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 31487

Divisors of 13613687172

• Number of divisors d(n): 84
• Complete list of divisors:
  1 2 3 4 6 9 12 18 27 36 54 81 108 149 162 243 298 324 447 486 596 729 894 972 1341 1458 1788 2682 2916 4023 5364 8046 12069 16092 24138 31333 36207 48276 62666 72414 93999 108621 125332 144828 187998 217242 281997 375996 434484 563994 845991 1127988 1691982 2537973 3383964 4668617 5075946 7613919 9337234 10151892 14005851 15227838 18674468 22841757 28011702 30455676 42017553 45683514 56023404 84035106 91367028 126052659 168070212 252105318 378157977 504210636 756315954 1134473931 1512631908 2268947862 3403421793 4537895724 6806843586 13613687172
• Sum of all divisors σ(n): 35960465100
• Sum of proper divisors (its aliquot sum) s(n): 22346777928
• 13613687172 is an abundant number, because the sum of its proper divisors (22346777928) is greater than itself. Its abundance is 8733090756

Bases of 13613687172

• Binary: 1100101011011100000110000110000100₂
• Hexadecimal: 0x32B706184
• Base-36: 6958K90

Squares and roots of 13613687172

• 13613687172 squared (13613687172²) is 185332478417077357584
• 13613687172 cubed (13613687172³) is 2523058383981532888672957712448
• The square root of 13613687172 is 116677.7064052941
• The cube root of 13613687172 is 2387.7668707543

Scales and comparisons

• 13,613,687,172 seconds is equal to 432 years, 45 weeks, 2 days, 19 hours, 46 minutes, 12 seconds.
• To count from 1 to 13,613,687,172 would take you about eight hundred sixty-five 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 13613687172 cubic inches would be around 199 feet tall.

Recreational maths with 13613687172

• 13613687172 backwards is 27178631631
• The number of decimal digits it has is: 11
• The sum of 13613687172's digits is 45
• More coming soon!