13556920

Names of 13556920

• Cardinal: 13556920 can be written as Thirteen million, five hundred fifty-six thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 1.355692 × 10⁷

Factors of 13556920

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 80

Divisors of 13556920

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 4 5 8 10 13 20 26 29 31 40 52 58 62 65 104 116 124 130 145 155 232 248 260 290 310 377 403 520 580 620 754 806 841 899 1160 1240 1508 1612 1682 1798 1885 2015 3016 3224 3364 3596 3770 4030 4205 4495 6728 7192 7540 8060 8410 8990 10933 11687 15080 16120 16820 17980 21866 23374 26071 33640 35960 43732 46748 52142 54665 58435 87464 93496 104284 109330 116870 130355 208568 218660 233740 260710 338923 437320 467480 521420 677846 1042840 1355692 1694615 2711384 3389230 6778460 13556920
• Sum of all divisors σ(n): 35118720
• Sum of proper divisors (its aliquot sum) s(n): 21561800
• 13556920 is an abundant number, because the sum of its proper divisors (21561800) is greater than itself. Its abundance is 8004880

Bases of 13556920

• Binary: 110011101101110010111000₂
• Hexadecimal: 0xCEDCB8
• Base-36: 82KL4

Squares and roots of 13556920

• 13556920 squared (13556920²) is 183790079886400
• 13556920 cubed (13556920³) is 2491627409813533888000
• The square root of 13556920 is 3681.9722975601
• The cube root of 13556920 is 238.4443362281

Scales and comparisons

• 13,556,920 seconds is equal to 22 weeks, 2 days, 21 hours, 48 minutes, 40 seconds.
• To count from 1 to 13,556,920 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 13556920 cubic inches would be around 19.9 feet tall.

Recreational maths with 13556920

• 13556920 backwards is 02965531
• 13556920 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 13556920's digits is 31
• More coming soon!