13087157715

Names of 13087157715

• Cardinal: 13087157715 can be written as Thirteen billion, eighty-seven million, one hundred fifty-seven thousand, seven hundred fifteen.

Scientific notation

• Scientific notation: 1.3087157715 × 10¹⁰

Factors of 13087157715

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 516

Divisors of 13087157715

• Number of divisors d(n): 128
• Complete list of divisors:
  1 3 5 9 15 27 43 45 71 113 129 135 213 215 281 339 355 387 565 639 645 843 1017 1065 1161 1405 1695 1917 1935 2529 3051 3053 3195 4215 4859 5085 5805 7587 8023 9159 9585 12083 12645 14577 15255 15265 19951 24069 24295 27477 31753 36249 37935 40115 43731 45795 59853 60415 72207 72885 82431 95259 99755 108747 120345 131193 137385 158765 179559 181245 216621 218655 285777 299265 326241 344989 361035 412155 476295 538677 543735 655965 857331 857893 897795 1034967 1083105 1365379 1428885 1631205 1724945 2254463 2573679 2693385 3104901 4096137 4286655 4289465 5174835 6763389 6826895 7721037 9314703 11272315 12288411 12868395 15524505 20290167 20480685 23163111 33816945 36865233 38605185 46573515 60870501 61442055 96941909 101450835 115815555 184326165 290825727 304352505 484709545 872477181 1454128635 2617431543 4362385905 13087157715
• Sum of all divisors σ(n): 24442767360
• Sum of proper divisors (its aliquot sum) s(n): 11355609645
• 13087157715 is a deficient number, because the sum of its proper divisors (11355609645) is less than itself. Its deficiency is 1731548070

Bases of 13087157715

• Binary: 1100001100000011100010110111010011₂
• Hexadecimal: 0x30C0E2DD3
• Base-36: 60FR7IR

Squares and roots of 13087157715

• 13087157715 squared (13087157715²) is 171273697057284021225
• 13087157715 cubed (13087157715³) is 2241485885819807375320982500875
• The square root of 13087157715 is 114399.1158838215
• The cube root of 13087157715 is 2356.5777815943

Scales and comparisons

• 13,087,157,715 seconds is equal to 416 years, 6 weeks, 5 days, 17 hours, 35 minutes, 15 seconds.
• To count from 1 to 13,087,157,715 would take you about eight hundred thirty-two 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 13087157715 cubic inches would be around 196.4 feet tall.

Recreational maths with 13087157715

• 13087157715 backwards is 51775178031
• 13087157715 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 13087157715's digits is 45
• More coming soon!