13388928

Names of 13388928

• Cardinal: 13388928 can be written as Thirteen million, three hundred eighty-eight thousand, nine hundred twenty-eight.

Scientific notation

• Scientific notation: 1.3388928 × 10⁷

Factors of 13388928

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 322

Divisors of 13388928

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 3 4 6 7 8 12 14 16 17 21 24 28 32 34 42 48 51 56 64 68 84 96 102 112 119 128 136 168 192 204 224 238 272 293 336 357 384 408 448 476 544 586 672 714 816 879 896 952 1088 1172 1344 1428 1632 1758 1904 2051 2176 2344 2688 2856 3264 3516 3808 4102 4688 4981 5712 6153 6528 7032 7616 8204 9376 9962 11424 12306 14064 14943 15232 16408 18752 19924 22848 24612 28128 29886 32816 34867 37504 39848 45696 49224 56256 59772 65632 69734 79696 98448 104601 112512 119544 131264 139468 159392 196896 209202 239088 262528 278936 318784 393792 418404 478176 557872 637568 787584 836808 956352 1115744 1673616 1912704 2231488 3347232 4462976 6694464 13388928
• Sum of all divisors σ(n): 43182720
• Sum of proper divisors (its aliquot sum) s(n): 29793792
• 13388928 is an abundant number, because the sum of its proper divisors (29793792) is greater than itself. Its abundance is 16404864

Bases of 13388928

• Binary: 110011000100110010000000₂
• Hexadecimal: 0xCC4C80
• Base-36: 7YYYO

Squares and roots of 13388928

• 13388928 squared (13388928²) is 179263392989184
• 13388928 cubed (13388928³) is 2400144661767889354752
• The square root of 13388928 is 3659.0884110663
• The cube root of 13388928 is 237.4553371231

Scales and comparisons

• 13,388,928 seconds is equal to 22 weeks, 23 hours, 8 minutes, 48 seconds.
• To count from 1 to 13,388,928 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 13388928 cubic inches would be around 19.8 feet tall.

Recreational maths with 13388928

• 13388928 backwards is 82988331
• 13388928 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 13388928's digits is 42
• More coming soon!