13947785

Names of 13947785

• Cardinal: 13947785 can be written as Thirteen million, nine hundred forty-seven thousand, seven hundred eighty-five.

Scientific notation

• Scientific notation: 1.3947785 × 10⁷

Factors of 13947785

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 8347

Divisors of 13947785

• Number of divisors d(n): 8
• Complete list of divisors:
  1 5 349 1745 7993 39965 2789557 13947785
• Sum of all divisors σ(n): 16787400
• Sum of proper divisors (its aliquot sum) s(n): 2839615
• 13947785 is a deficient number, because the sum of its proper divisors (2839615) is less than itself. Its deficiency is 11108170

Bases of 13947785

• Binary: 110101001101001110001001₂
• Hexadecimal: 0xD4D389
• Base-36: 8AY6H

Squares and roots of 13947785

• 13947785 squared (13947785²) is 194540706406225
• 13947785 cubed (13947785³) is 2713411946702148961625
• The square root of 13947785 is 3734.6733458229
• The cube root of 13947785 is 240.7142208073

Scales and comparisons

• 13,947,785 seconds is equal to 23 weeks, 10 hours, 23 minutes, 5 seconds.
• To count from 1 to 13,947,785 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 13947785 cubic inches would be around 20.1 feet tall.

Recreational maths with 13947785

• 13947785 backwards is 58774931
• The number of decimal digits it has is: 8
• The sum of 13947785's digits is 44
• More coming soon!