13402872

Names of 13402872

• Cardinal: 13402872 can be written as Thirteen million, four hundred two thousand, eight hundred seventy-two.

Scientific notation

• Scientific notation: 1.3402872 × 10⁷

Factors of 13402872

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 172

Divisors of 13402872

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 18 21 24 28 29 36 42 49 56 58 63 72 84 87 98 116 126 131 147 168 174 196 203 232 252 261 262 294 348 392 393 406 441 504 522 524 588 609 696 786 812 882 917 1044 1048 1176 1179 1218 1421 1572 1624 1764 1827 1834 2088 2358 2436 2751 2842 3144 3528 3654 3668 3799 4263 4716 4872 5502 5684 6419 7308 7336 7598 8253 8526 9432 11004 11368 11397 12789 12838 14616 15196 16506 17052 19257 22008 22794 25578 25676 26593 30392 33012 34104 34191 38514 45588 51156 51352 53186 57771 66024 68382 77028 79779 91176 102312 106372 115542 136764 154056 159558 186151 212744 231084 239337 273528 319116 372302 462168 478674 558453 638232 744604 957348 1116906 1489208 1675359 1914696 2233812 3350718 4467624 6701436 13402872
• Sum of all divisors σ(n): 44015400
• Sum of proper divisors (its aliquot sum) s(n): 30612528
• 13402872 is an abundant number, because the sum of its proper divisors (30612528) is greater than itself. Its abundance is 17209656

Bases of 13402872

• Binary: 110011001000001011111000₂
• Hexadecimal: 0xCC82F8
• Base-36: 7Z9Q0

Squares and roots of 13402872

• 13402872 squared (13402872²) is 179636977848384
• 13402872 cubed (13402872³) is 2407651420568726158848
• The square root of 13402872 is 3660.9933078333
• The cube root of 13402872 is 237.5377417399

Scales and comparisons

• 13,402,872 seconds is equal to 22 weeks, 1 day, 3 hours, 1 minute, 12 seconds.
• To count from 1 to 13,402,872 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 13402872 cubic inches would be around 19.8 feet tall.

Recreational maths with 13402872

• 13402872 backwards is 27820431
• The number of decimal digits it has is: 8
• The sum of 13402872's digits is 27
• More coming soon!