13285860

Names of 13285860

• Cardinal: 13285860 can be written as Thirteen million, two hundred eighty-five thousand, eight hundred sixty.

Scientific notation

• Scientific notation: 1.328586 × 10⁷

Factors of 13285860

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 4536

Divisors of 13285860

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 3 4 5 6 7 10 12 14 15 20 21 28 30 35 42 49 60 70 84 98 105 140 147 196 210 245 294 420 490 588 735 980 1470 2940 4519 9038 13557 18076 22595 27114 31633 45190 54228 63266 67785 90380 94899 126532 135570 158165 189798 221431 271140 316330 379596 442862 474495 632660 664293 885724 948990 1107155 1328586 1897980 2214310 2657172 3321465 4428620 6642930 13285860
• Sum of all divisors σ(n): 43283520
• Sum of proper divisors (its aliquot sum) s(n): 29997660
• 13285860 is an abundant number, because the sum of its proper divisors (29997660) is greater than itself. Its abundance is 16711800

Bases of 13285860

• Binary: 110010101011100111100100₂
• Hexadecimal: 0xCAB9E4
• Base-36: 7WRFO

Squares and roots of 13285860

• 13285860 squared (13285860²) is 176514075939600
• 13285860 cubed (13285860³) is 2345141300962894056000
• The square root of 13285860 is 3644.9773661847
• The cube root of 13285860 is 236.8444563249

Scales and comparisons

• 13,285,860 seconds is equal to 21 weeks, 6 days, 18 hours, 31 minutes.
• To count from 1 to 13,285,860 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 13285860 cubic inches would be around 19.7 feet tall.

Recreational maths with 13285860

• 13285860 backwards is 06858231
• The number of decimal digits it has is: 8
• The sum of 13285860's digits is 33
• More coming soon!