13920240

Names of 13920240

• Cardinal: 13920240 can be written as Thirteen million, nine hundred twenty thousand, two hundred forty.

Scientific notation

• Scientific notation: 1.392024 × 10⁷

Factors of 13920240

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 1912

Divisors of 13920240

• Number of divisors d(n): 80
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 15 16 20 24 30 31 40 48 60 62 80 93 120 124 155 186 240 248 310 372 465 496 620 744 930 1240 1488 1860 1871 2480 3720 3742 5613 7440 7484 9355 11226 14968 18710 22452 28065 29936 37420 44904 56130 58001 74840 89808 112260 116002 149680 174003 224520 232004 290005 348006 449040 464008 580010 696012 870015 928016 1160020 1392024 1740030 2320040 2784048 3480060 4640080 6960120 13920240
• Sum of all divisors σ(n): 44568576
• Sum of proper divisors (its aliquot sum) s(n): 30648336
• 13920240 is an abundant number, because the sum of its proper divisors (30648336) is greater than itself. Its abundance is 16728096

Bases of 13920240

• Binary: 110101000110011111110000₂
• Hexadecimal: 0xD467F0
• Base-36: 8ACXC

Squares and roots of 13920240

• 13920240 squared (13920240²) is 193773081657600
• 13920240 cubed (13920240³) is 2697367802213389824000
• The square root of 13920240 is 3730.9837844729
• The cube root of 13920240 is 240.5556569739

Scales and comparisons

• 13,920,240 seconds is equal to 23 weeks, 2 hours, 44 minutes.
• To count from 1 to 13,920,240 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 13920240 cubic inches would be around 20 feet tall.

Recreational maths with 13920240

• 13920240 backwards is 04202931
• The number of decimal digits it has is: 8
• The sum of 13920240's digits is 21
• More coming soon!