13999040

Names of 13999040

• Cardinal: 13999040 can be written as Thirteen million, nine hundred ninety-nine thousand and forty.

Scientific notation

• Scientific notation: 1.399904 × 10⁷

Factors of 13999040

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 156

Divisors of 13999040

• Number of divisors d(n): 112
• Complete list of divisors:
  1 2 4 5 8 10 11 16 20 22 32 40 41 44 55 64 80 82 88 97 110 160 164 176 194 205 220 320 328 352 388 410 440 451 485 656 704 776 820 880 902 970 1067 1312 1552 1640 1760 1804 1940 2134 2255 2624 3104 3280 3520 3608 3880 3977 4268 4510 5335 6208 6560 7216 7760 7954 8536 9020 10670 13120 14432 15520 15908 17072 18040 19885 21340 28864 31040 31816 34144 36080 39770 42680 43747 63632 68288 72160 79540 85360 87494 127264 144320 159080 170720 174988 218735 254528 318160 341440 349976 437470 636320 699952 874940 1272640 1399904 1749880 2799808 3499760 6999520 13999040
• Sum of all divisors σ(n): 37636704
• Sum of proper divisors (its aliquot sum) s(n): 23637664
• 13999040 is an abundant number, because the sum of its proper divisors (23637664) is greater than itself. Its abundance is 9638624

Bases of 13999040

• Binary: 110101011001101111000000₂
• Hexadecimal: 0xD59BC0
• Base-36: 8C1Q8

Squares and roots of 13999040

• 13999040 squared (13999040²) is 195973120921600
• 13999040 cubed (13999040³) is 2743435558706315264000
• The square root of 13999040 is 3741.5290991785
• The cube root of 13999040 is 241.0087173949

Scales and comparisons

• 13,999,040 seconds is equal to 23 weeks, 1 day, 37 minutes, 20 seconds.
• To count from 1 to 13,999,040 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 13999040 cubic inches would be around 20.1 feet tall.

Recreational maths with 13999040

• 13999040 backwards is 04099931
• The number of decimal digits it has is: 8
• The sum of 13999040's digits is 35
• More coming soon!