13929720

Names of 13929720

• Cardinal: 13929720 can be written as Thirteen million, nine hundred twenty-nine thousand, seven hundred twenty.

Scientific notation

• Scientific notation: 1.392972 × 10⁷

Factors of 13929720

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 143

Divisors of 13929720

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 4 5 6 7 8 10 12 14 15 20 21 23 24 28 30 35 40 42 46 49 56 60 69 70 84 92 98 103 105 115 120 138 140 147 161 168 184 196 206 210 230 245 276 280 294 309 322 345 392 412 420 460 483 490 515 552 588 618 644 690 721 735 805 824 840 920 966 980 1030 1127 1176 1236 1288 1380 1442 1470 1545 1610 1932 1960 2060 2163 2254 2369 2415 2472 2760 2884 2940 3090 3220 3381 3605 3864 4120 4326 4508 4738 4830 5047 5635 5768 5880 6180 6440 6762 7107 7210 8652 9016 9476 9660 10094 10815 11270 11845 12360 13524 14214 14420 15141 16583 16905 17304 18952 19320 20188 21630 22540 23690 25235 27048 28428 28840 30282 33166 33810 35535 40376 43260 45080 47380 49749 50470 56856 60564 66332 67620 71070 75705 82915 86520 94760 99498 100940 116081 121128 132664 135240 142140 151410 165830 198996 201880 232162 248745 284280 302820 331660 348243 397992 464324 497490 580405 605640 663320 696486 928648 994980 1160810 1392972 1741215 1989960 2321620 2785944 3482430 4643240 6964860 13929720
• Sum of all divisors σ(n): 51217920
• Sum of proper divisors (its aliquot sum) s(n): 37288200
• 13929720 is an abundant number, because the sum of its proper divisors (37288200) is greater than itself. Its abundance is 23358480

Bases of 13929720

• Binary: 110101001000110011111000₂
• Hexadecimal: 0xD48CF8
• Base-36: 8AK8O

Squares and roots of 13929720

• 13929720 squared (13929720²) is 194037099278400
• 13929720 cubed (13929720³) is 2702882462560314048000
• The square root of 13929720 is 3732.2540106483
• The cube root of 13929720 is 240.6102525397

Scales and comparisons

• 13,929,720 seconds is equal to 23 weeks, 5 hours, 22 minutes.
• To count from 1 to 13,929,720 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 13929720 cubic inches would be around 20.1 feet tall.

Recreational maths with 13929720

• 13929720 backwards is 02792931
• The number of decimal digits it has is: 8
• The sum of 13929720's digits is 33
• More coming soon!