13994240

Names of 13994240

• Cardinal: 13994240 can be written as Thirteen million, nine hundred ninety-four thousand, two hundred forty.

Scientific notation

• Scientific notation: 1.399424 × 10⁷

Factors of 13994240

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 49

Divisors of 13994240

• Number of divisors d(n): 108
• Complete list of divisors:
  1 2 4 5 8 10 13 16 20 26 29 32 40 52 58 64 65 80 104 116 128 130 145 160 208 232 256 260 290 320 377 416 464 520 580 640 754 832 841 928 1040 1160 1280 1508 1664 1682 1856 1885 2080 2320 3016 3328 3364 3712 3770 4160 4205 4640 6032 6728 7424 7540 8320 8410 9280 10933 12064 13456 15080 16640 16820 18560 21866 24128 26912 30160 33640 37120 43732 48256 53824 54665 60320 67280 87464 96512 107648 109330 120640 134560 174928 215296 218660 241280 269120 349856 437320 482560 538240 699712 874640 1076480 1399424 1749280 2798848 3498560 6997120 13994240
• Sum of all divisors σ(n): 37386804
• Sum of proper divisors (its aliquot sum) s(n): 23392564
• 13994240 is an abundant number, because the sum of its proper divisors (23392564) is greater than itself. Its abundance is 9398324

Bases of 13994240

• Binary: 110101011000100100000000₂
• Hexadecimal: 0xD58900
• Base-36: 8BY0W

Squares and roots of 13994240

• 13994240 squared (13994240²) is 195838753177600
• 13994240 cubed (13994240³) is 2740614513268097024000
• The square root of 13994240 is 3740.8875952105
• The cube root of 13994240 is 240.9811685039

Scales and comparisons

• 13,994,240 seconds is equal to 23 weeks, 23 hours, 17 minutes, 20 seconds.
• To count from 1 to 13,994,240 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 13994240 cubic inches would be around 20.1 feet tall.

Recreational maths with 13994240

• 13994240 backwards is 04249931
• 13994240 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 13994240's digits is 32
• More coming soon!