13857690

Names of 13857690

• Cardinal: 13857690 can be written as Thirteen million, eight hundred fifty-seven thousand, six hundred ninety.

Scientific notation

• Scientific notation: 1.385769 × 10⁷

Factors of 13857690

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 885

Divisors of 13857690

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 5 6 7 10 11 14 15 21 22 30 33 35 42 49 55 66 70 77 98 105 110 147 154 165 210 231 245 294 330 385 462 490 539 735 770 857 1078 1155 1470 1617 1714 2310 2571 2695 3234 4285 5142 5390 5999 8085 8570 9427 11998 12855 16170 17997 18854 25710 28281 29995 35994 41993 47135 56562 59990 65989 83986 89985 94270 125979 131978 141405 179970 197967 209965 251958 282810 329945 395934 419930 461923 629895 659890 923846 989835 1259790 1385769 1979670 2309615 2771538 4619230 6928845 13857690
• Sum of all divisors σ(n): 42254784
• Sum of proper divisors (its aliquot sum) s(n): 28397094
• 13857690 is an abundant number, because the sum of its proper divisors (28397094) is greater than itself. Its abundance is 14539404

Bases of 13857690

• Binary: 110100110111001110011010₂
• Hexadecimal: 0xD3739A
• Base-36: 890NU

Squares and roots of 13857690

• 13857690 squared (13857690²) is 192035572136100
• 13857690 cubed (13857690³) is 2661169427634711609000
• The square root of 13857690 is 3722.5918390283
• The cube root of 13857690 is 240.1948071107

Scales and comparisons

• 13,857,690 seconds is equal to 22 weeks, 6 days, 9 hours, 21 minutes, 30 seconds.
• To count from 1 to 13,857,690 would take you about thirty-four 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 13857690 cubic inches would be around 20 feet tall.

Recreational maths with 13857690

• 13857690 backwards is 09675831
• The number of decimal digits it has is: 8
• The sum of 13857690's digits is 39
• More coming soon!