13820555

Names of 13820555

• Cardinal: 13820555 can be written as Thirteen million, eight hundred twenty thousand, five hundred fifty-five.

Scientific notation

• Scientific notation: 1.3820555 × 10⁷

Factors of 13820555

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 4
• Sum of prime factors: 1426

Divisors of 13820555

• Number of divisors d(n): 16
• Complete list of divisors:
  1 5 7 35 383 1031 1915 2681 5155 7217 13405 36085 394873 1974365 2764111 13820555
• Sum of all divisors σ(n): 19021824
• Sum of proper divisors (its aliquot sum) s(n): 5201269
• 13820555 is a deficient number, because the sum of its proper divisors (5201269) is less than itself. Its deficiency is 8619286

Bases of 13820555

• Binary: 110100101110001010001011₂
• Hexadecimal: 0xD2E28B
• Base-36: 8880B

Squares and roots of 13820555

• 13820555 squared (13820555²) is 191007740508025
• 13820555 cubed (13820555³) is 2639832983116887453875
• The square root of 13820555 is 3717.6007047557
• The cube root of 13820555 is 239.9800620011

Scales and comparisons

• 13,820,555 seconds is equal to 22 weeks, 5 days, 23 hours, 2 minutes, 35 seconds.
• To count from 1 to 13,820,555 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 13820555 cubic inches would be around 20 feet tall.

Recreational maths with 13820555

• 13820555 backwards is 55502831
• The number of decimal digits it has is: 8
• The sum of 13820555's digits is 29
• More coming soon!