13920217

Names of 13920217

• Cardinal: 13920217 can be written as Thirteen million, nine hundred twenty thousand, two hundred seventeen.

Scientific notation

• Scientific notation: 1.3920217 × 10⁷

Factors of 13920217

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 3935

Divisors of 13920217

• Number of divisors d(n): 8
• Complete list of divisors:
  1 19 197 3719 3743 70661 732643 13920217
• Sum of all divisors σ(n): 14731200
• Sum of proper divisors (its aliquot sum) s(n): 810983
• 13920217 is a deficient number, because the sum of its proper divisors (810983) is less than itself. Its deficiency is 13109234

Bases of 13920217

• Binary: 110101000110011111011001₂
• Hexadecimal: 0xD467D9
• Base-36: 8ACWP

Squares and roots of 13920217

• 13920217 squared (13920217²) is 193772441327089
• 13920217 cubed (13920217³) is 2697354431892846858313
• The square root of 13920217 is 3730.9807021745
• The cube root of 13920217 is 240.5555244861

Scales and comparisons

• 13,920,217 seconds is equal to 23 weeks, 2 hours, 43 minutes, 37 seconds.
• To count from 1 to 13,920,217 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 13920217 cubic inches would be around 20 feet tall.

Recreational maths with 13920217

• 13920217 backwards is 71202931
• The number of decimal digits it has is: 8
• The sum of 13920217's digits is 25
• More coming soon!