13661830

Names of 13661830

• Cardinal: 13661830 can be written as Thirteen million, six hundred sixty-one thousand, eight hundred thirty.

Scientific notation

• Scientific notation: 1.366183 × 10⁷

Factors of 13661830

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 15040

Divisors of 13661830

• Number of divisors d(n): 32
• Complete list of divisors:
  1 2 5 7 10 13 14 26 35 65 70 91 130 182 455 910 15013 30026 75065 105091 150130 195169 210182 390338 525455 975845 1050910 1366183 1951690 2732366 6830915 13661830
• Sum of all divisors σ(n): 30268224
• Sum of proper divisors (its aliquot sum) s(n): 16606394
• 13661830 is an abundant number, because the sum of its proper divisors (16606394) is greater than itself. Its abundance is 2944564

Bases of 13661830

• Binary: 110100000111011010000110₂
• Hexadecimal: 0xD07686
• Base-36: 84TJA

Squares and roots of 13661830

• 13661830 squared (13661830²) is 186645598948900
• 13661830 cubed (13661830³) is 2549920443088050487000
• The square root of 13661830 is 3696.1912829289
• The cube root of 13661830 is 239.0578222987

Scales and comparisons

• 13,661,830 seconds is equal to 22 weeks, 4 days, 2 hours, 57 minutes, 10 seconds.
• To count from 1 to 13,661,830 would take you about thirty-three 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 13661830 cubic inches would be around 19.9 feet tall.

Recreational maths with 13661830

• 13661830 backwards is 03816631
• The number of decimal digits it has is: 8
• The sum of 13661830's digits is 28
• More coming soon!