13857684

Names of 13857684

• Cardinal: 13857684 can be written as Thirteen million, eight hundred fifty-seven thousand, six hundred eighty-four.

Scientific notation

• Scientific notation: 1.3857684 × 10⁷

Factors of 13857684

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 124

Divisors of 13857684

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 3 4 6 12 23 37 46 59 69 74 92 111 118 138 148 177 222 236 276 354 444 529 708 851 1058 1357 1587 1702 2116 2183 2553 2714 3174 3404 4071 4366 5106 5428 6348 6549 8142 8732 10212 13098 16284 19573 26196 31211 39146 50209 58719 62422 78292 93633 100418 117438 124844 150627 187266 200836 234876 301254 374532 602508 1154807 2309614 3464421 4619228 6928842 13857684
• Sum of all divisors σ(n): 35303520
• Sum of proper divisors (its aliquot sum) s(n): 21445836
• 13857684 is an abundant number, because the sum of its proper divisors (21445836) is greater than itself. Its abundance is 7588152

Bases of 13857684

• Binary: 110100110111001110010100₂
• Hexadecimal: 0xD37394
• Base-36: 890NO

Squares and roots of 13857684

• 13857684 squared (13857684²) is 192035405843856
• 13857684 cubed (13857684³) is 2661165970995909789504
• The square root of 13857684 is 3722.5910331383
• The cube root of 13857684 is 240.1947724449

Scales and comparisons

• 13,857,684 seconds is equal to 22 weeks, 6 days, 9 hours, 21 minutes, 24 seconds.
• To count from 1 to 13,857,684 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 13857684 cubic inches would be around 20 feet tall.

Recreational maths with 13857684

• 13857684 backwards is 48675831
• The number of decimal digits it has is: 8
• The sum of 13857684's digits is 42
• More coming soon!