13513920

Names of 13513920

• Cardinal: 13513920 can be written as Thirteen million, five hundred thirteen thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 1.351392 × 10⁷

Factors of 13513920

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 2028

Divisors of 13513920

• Number of divisors d(n): 112
• Complete list of divisors:
  1 2 3 4 5 6 7 8 10 12 14 15 16 20 21 24 28 30 32 35 40 42 48 56 60 64 70 80 84 96 105 112 120 140 160 168 192 210 224 240 280 320 336 420 448 480 560 672 840 960 1120 1344 1680 2011 2240 3360 4022 6033 6720 8044 10055 12066 14077 16088 20110 24132 28154 30165 32176 40220 42231 48264 56308 60330 64352 70385 80440 84462 96528 112616 120660 128704 140770 160880 168924 193056 211155 225232 241320 281540 321760 337848 386112 422310 450464 482640 563080 643520 675696 844620 900928 965280 1126160 1351392 1689240 1930560 2252320 2702784 3378480 4504640 6756960 13513920
• Sum of all divisors σ(n): 49060608
• Sum of proper divisors (its aliquot sum) s(n): 35546688
• 13513920 is an abundant number, because the sum of its proper divisors (35546688) is greater than itself. Its abundance is 22032768

Bases of 13513920

• Binary: 110011100011010011000000₂
• Hexadecimal: 0xCE34C0
• Base-36: 81NEO

Squares and roots of 13513920

• 13513920 squared (13513920²) is 182626033766400
• 13513920 cubed (13513920³) is 2467993610236428288000
• The square root of 13513920 is 3676.1283981929
• The cube root of 13513920 is 238.1919690261

Scales and comparisons

• 13,513,920 seconds is equal to 22 weeks, 2 days, 9 hours, 52 minutes.
• To count from 1 to 13,513,920 would take you about thirty-three 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 13513920 cubic inches would be around 19.8 feet tall.

Recreational maths with 13513920

• 13513920 backwards is 02931531
• 13513920 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 13513920's digits is 24
• More coming soon!