13239072

Names of 13239072

• Cardinal: 13239072 can be written as Thirteen million, two hundred thirty-nine thousand and seventy-two.

Scientific notation

• Scientific notation: 1.3239072 × 10⁷

Factors of 13239072

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 222

Divisors of 13239072

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 4 6 7 8 9 11 12 14 16 18 21 22 24 27 28 32 33 36 42 44 48 54 56 63 66 72 77 84 88 96 99 108 112 126 132 144 154 168 176 189 198 199 216 224 231 252 264 288 297 308 336 352 378 396 398 432 462 504 528 594 597 616 672 693 756 792 796 864 924 1008 1056 1188 1194 1232 1386 1393 1512 1584 1592 1791 1848 2016 2079 2189 2376 2388 2464 2772 2786 3024 3168 3184 3582 3696 4158 4179 4378 4752 4776 5373 5544 5572 6048 6368 6567 7164 7392 8316 8358 8756 9504 9552 10746 11088 11144 12537 13134 14328 15323 16632 16716 17512 19104 19701 21492 22176 22288 25074 26268 28656 30646 33264 33432 35024 37611 39402 42984 44576 45969 50148 52536 57312 59103 61292 66528 66864 70048 75222 78804 85968 91938 100296 105072 118206 122584 133728 137907 150444 157608 171936 183876 200592 210144 236412 245168 275814 300888 315216 367752 401184 413721 472824 490336 551628 601776 630432 735504 827442 945648 1103256 1203552 1471008 1654884 1891296 2206512 3309768 4413024 6619536 13239072
• Sum of all divisors σ(n): 48384000
• Sum of proper divisors (its aliquot sum) s(n): 35144928
• 13239072 is an abundant number, because the sum of its proper divisors (35144928) is greater than itself. Its abundance is 21905856

Bases of 13239072

• Binary: 110010100000001100100000₂
• Hexadecimal: 0xCA0320
• Base-36: 7VRC0

Squares and roots of 13239072

• 13239072 squared (13239072²) is 175273027421184
• 13239072 cubed (13239072³) is 2320452229687029301248
• The square root of 13239072 is 3638.5535587649
• The cube root of 13239072 is 236.5661024395

Scales and comparisons

• 13,239,072 seconds is equal to 21 weeks, 6 days, 5 hours, 31 minutes, 12 seconds.
• To count from 1 to 13,239,072 would take you about thirty-two 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 13239072 cubic inches would be around 19.7 feet tall.

Recreational maths with 13239072

• 13239072 backwards is 27093231
• 13239072 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 13239072's digits is 27
• More coming soon!