13993647

Names of 13993647

• Cardinal: 13993647 can be written as Thirteen million, nine hundred ninety-three thousand, six hundred forty-seven.

Scientific notation

• Scientific notation: 1.3993647 × 10⁷

Factors of 13993647

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 6717

Divisors of 13993647

• Number of divisors d(n): 8
• Complete list of divisors:
  1 3 787 2361 5927 17781 4664549 13993647
• Sum of all divisors σ(n): 18685056
• Sum of proper divisors (its aliquot sum) s(n): 4691409
• 13993647 is a deficient number, because the sum of its proper divisors (4691409) is less than itself. Its deficiency is 9302238

Bases of 13993647

• Binary: 110101011000011010101111₂
• Hexadecimal: 0xD586AF
• Base-36: 8BXKF

Squares and roots of 13993647

• 13993647 squared (13993647²) is 195822156360609
• 13993647 cubed (13993647³) is 2740266130889167051023
• The square root of 13993647 is 3740.8083351061
• The cube root of 13993647 is 240.9777646307

Scales and comparisons

• 13,993,647 seconds is equal to 23 weeks, 23 hours, 7 minutes, 27 seconds.
• To count from 1 to 13,993,647 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 13993647 cubic inches would be around 20.1 feet tall.

Recreational maths with 13993647

• 13993647 backwards is 74639931
• The number of decimal digits it has is: 8
• The sum of 13993647's digits is 42
• More coming soon!