13157856

Names of 13157856

• Cardinal: 13157856 can be written as Thirteen million, one hundred fifty-seven thousand, eight hundred fifty-six.

Scientific notation

• Scientific notation: 1.3157856 × 10⁷

Factors of 13157856

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 259

Divisors of 13157856

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 27 32 36 48 54 72 96 97 108 144 157 194 216 288 291 314 388 432 471 582 628 776 864 873 942 1164 1256 1413 1552 1746 1884 2328 2512 2619 2826 3104 3492 3768 4239 4656 5024 5238 5652 6984 7536 8478 9312 10476 11304 13968 15072 15229 16956 20952 22608 27936 30458 33912 41904 45216 45687 60916 67824 83808 91374 121832 135648 137061 182748 243664 274122 365496 411183 487328 548244 730992 822366 1096488 1461984 1644732 2192976 3289464 4385952 6578928 13157856
• Sum of all divisors σ(n): 39019680
• Sum of proper divisors (its aliquot sum) s(n): 25861824
• 13157856 is an abundant number, because the sum of its proper divisors (25861824) is greater than itself. Its abundance is 12703968

Bases of 13157856

• Binary: 110010001100010111100000₂
• Hexadecimal: 0xC8C5E0
• Base-36: 7U0O0

Squares and roots of 13157856

• 13157856 squared (13157856²) is 173129174516736
• 13157856 cubed (13157856³) is 2278008747690081878016
• The square root of 13157856 is 3627.3759110409
• The cube root of 13157856 is 236.0813661793

Scales and comparisons

• 13,157,856 seconds is equal to 21 weeks, 5 days, 6 hours, 57 minutes, 36 seconds.
• To count from 1 to 13,157,856 would take you about thirty-two weeks!

  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 13157856 cubic inches would be around 19.7 feet tall.

Recreational maths with 13157856

• 13157856 backwards is 65875131
• 13157856 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 13157856's digits is 36
• More coming soon!