13820040

Names of 13820040

• Cardinal: 13820040 can be written as Thirteen million, eight hundred twenty thousand and forty.

Scientific notation

• Scientific notation: 1.382004 × 10⁷

Factors of 13820040

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 2976

Divisors of 13820040

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 13 15 18 20 24 26 30 36 39 40 45 52 60 65 72 78 90 104 117 120 130 156 180 195 234 260 312 360 390 468 520 585 780 936 1170 1560 2340 2953 4680 5906 8859 11812 14765 17718 23624 26577 29530 35436 38389 44295 53154 59060 70872 76778 88590 106308 115167 118120 132885 153556 177180 191945 212616 230334 265770 307112 345501 354360 383890 460668 531540 575835 691002 767780 921336 1063080 1151670 1382004 1535560 1727505 2303340 2764008 3455010 4606680 6910020 13820040
• Sum of all divisors σ(n): 48386520
• Sum of proper divisors (its aliquot sum) s(n): 34566480
• 13820040 is an abundant number, because the sum of its proper divisors (34566480) is greater than itself. Its abundance is 20746440

Bases of 13820040

• Binary: 110100101110000010001000₂
• Hexadecimal: 0xD2E088
• Base-36: 887M0

Squares and roots of 13820040

• 13820040 squared (13820040²) is 190993505601600
• 13820040 cubed (13820040³) is 2639537887154336064000
• The square root of 13820040 is 3717.5314390061
• The cube root of 13820040 is 239.9770811447

Scales and comparisons

• 13,820,040 seconds is equal to 22 weeks, 5 days, 22 hours, 54 minutes.
• To count from 1 to 13,820,040 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 13820040 cubic inches would be around 20 feet tall.

Recreational maths with 13820040

• 13820040 backwards is 04002831
• 13820040 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 13820040's digits is 18
• More coming soon!