13968724

Names of 13968724

• Cardinal: 13968724 can be written as Thirteen million, nine hundred sixty-eight thousand, seven hundred twenty-four.

Scientific notation

• Scientific notation: 1.3968724 × 10⁷

Factors of 13968724

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 70

Divisors of 13968724

• Number of divisors d(n): 108
• Complete list of divisors:
  1 2 4 7 11 14 19 22 28 31 38 44 49 62 76 77 98 121 124 133 154 196 209 217 242 266 308 341 418 434 484 532 539 589 682 836 847 868 931 1078 1178 1364 1463 1519 1694 1862 2156 2299 2356 2387 2926 3038 3388 3724 3751 4123 4598 4774 5852 5929 6076 6479 7502 8246 9196 9548 10241 11858 12958 15004 16093 16492 16709 20482 23716 25916 26257 28861 32186 33418 40964 45353 52514 57722 64372 66836 71269 90706 105028 112651 115444 142538 181412 183799 225302 285076 317471 367598 450604 498883 634942 735196 997766 1269884 1995532 3492181 6984362 13968724
• Sum of all divisors σ(n): 33962880
• Sum of proper divisors (its aliquot sum) s(n): 19994156
• 13968724 is an abundant number, because the sum of its proper divisors (19994156) is greater than itself. Its abundance is 6025432

Bases of 13968724

• Binary: 110101010010010101010100₂
• Hexadecimal: 0xD52554
• Base-36: 8BEC4

Squares and roots of 13968724

• 13968724 squared (13968724²) is 195125250188176
• 13968724 cubed (13968724³) is 2725650765309578607424
• The square root of 13968724 is 3737.4756186497
• The cube root of 13968724 is 240.8346173415

Scales and comparisons

• 13,968,724 seconds is equal to 23 weeks, 16 hours, 12 minutes, 4 seconds.
• To count from 1 to 13,968,724 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 13968724 cubic inches would be around 20.1 feet tall.

Recreational maths with 13968724

• 13968724 backwards is 42786931
• The number of decimal digits it has is: 8
• The sum of 13968724's digits is 40
• More coming soon!