13807620

Names of 13807620

• Cardinal: 13807620 can be written as Thirteen million, eight hundred seven thousand, six hundred twenty.

Scientific notation

• Scientific notation: 1.380762 × 10⁷

Factors of 13807620

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 1060

Divisors of 13807620

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 3 4 5 6 9 10 12 15 18 20 30 36 45 60 79 90 158 180 237 316 395 474 711 790 948 971 1185 1422 1580 1942 2370 2844 2913 3555 3884 4740 4855 5826 7110 8739 9710 11652 14220 14565 17478 19420 29130 34956 43695 58260 76709 87390 153418 174780 230127 306836 383545 460254 690381 767090 920508 1150635 1380762 1534180 2301270 2761524 3451905 4602540 6903810 13807620
• Sum of all divisors σ(n): 42456960
• Sum of proper divisors (its aliquot sum) s(n): 28649340
• 13807620 is an abundant number, because the sum of its proper divisors (28649340) is greater than itself. Its abundance is 14841720

Bases of 13807620

• Binary: 110100101011000000000100₂
• Hexadecimal: 0xD2B004
• Base-36: 87Y10

Squares and roots of 13807620

• 13807620 squared (13807620²) is 190650370064400
• 13807620 cubed (13807620³) is 2632427862708610728000
• The square root of 13807620 is 3715.8606001841
• The cube root of 13807620 is 239.9051708691

Scales and comparisons

• 13,807,620 seconds is equal to 22 weeks, 5 days, 19 hours, 27 minutes.
• To count from 1 to 13,807,620 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 13807620 cubic inches would be around 20 feet tall.

Recreational maths with 13807620

• 13807620 backwards is 02670831
• The number of decimal digits it has is: 8
• The sum of 13807620's digits is 27
• More coming soon!