13691328

Names of 13691328

• Cardinal: 13691328 can be written as Thirteen million, six hundred ninety-one thousand, three hundred twenty-eight.

Scientific notation

• Scientific notation: 1.3691328 × 10⁷

Factors of 13691328

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 240

Divisors of 13691328

• Number of divisors d(n): 112
• Complete list of divisors:
  1 2 3 4 6 7 8 12 14 16 21 24 28 32 42 48 56 61 64 84 96 112 122 167 168 183 192 224 244 334 336 366 427 448 488 501 668 672 732 854 976 1002 1169 1281 1336 1344 1464 1708 1952 2004 2338 2562 2672 2928 3416 3507 3904 4008 4676 5124 5344 5856 6832 7014 8016 9352 10187 10248 10688 11712 13664 14028 16032 18704 20374 20496 27328 28056 30561 32064 37408 40748 40992 56112 61122 71309 74816 81496 81984 112224 122244 142618 162992 213927 224448 244488 285236 325984 427854 488976 570472 651968 855708 977952 1140944 1711416 1955904 2281888 3422832 4563776 6845664 13691328
• Sum of all divisors σ(n): 42330624
• Sum of proper divisors (its aliquot sum) s(n): 28639296
• 13691328 is an abundant number, because the sum of its proper divisors (28639296) is greater than itself. Its abundance is 14947968

Bases of 13691328

• Binary: 110100001110100111000000₂
• Hexadecimal: 0xD0E9C0
• Base-36: 85GAO

Squares and roots of 13691328

• 13691328 squared (13691328²) is 187452462403584
• 13691328 cubed (13691328³) is 2566473147175136919552
• The square root of 13691328 is 3700.1794551075
• The cube root of 13691328 is 239.2297528641

Scales and comparisons

• 13,691,328 seconds is equal to 22 weeks, 4 days, 11 hours, 8 minutes, 48 seconds.
• To count from 1 to 13,691,328 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 13691328 cubic inches would be around 19.9 feet tall.

Recreational maths with 13691328

• 13691328 backwards is 82319631
• The number of decimal digits it has is: 8
• The sum of 13691328's digits is 33
• More coming soon!