13565428

Names of 13565428

• Cardinal: 13565428 can be written as Thirteen million, five hundred sixty-five thousand, four hundred twenty-eight.

Scientific notation

• Scientific notation: 1.3565428 × 10⁷

Factors of 13565428

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 4
• Sum of prime factors: 21760

Divisors of 13565428

• Number of divisors d(n): 12
• Complete list of divisors:
  1 2 4 157 314 628 21601 43202 86404 3391357 6782714 13565428
• Sum of all divisors σ(n): 23891812
• Sum of proper divisors (its aliquot sum) s(n): 10326384
• 13565428 is a deficient number, because the sum of its proper divisors (10326384) is less than itself. Its deficiency is 3239044

Bases of 13565428

• Binary: 110011101111110111110100₂
• Hexadecimal: 0xCEFDF4
• Base-36: 82R5G

Squares and roots of 13565428

• 13565428 squared (13565428²) is 184020836823184
• 13565428 cubed (13565428³) is 2496321412424651282752
• The square root of 13565428 is 3683.1274753937
• The cube root of 13565428 is 238.4942064583

Scales and comparisons

• 13,565,428 seconds is equal to 22 weeks, 3 days, 10 minutes, 28 seconds.
• To count from 1 to 13,565,428 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 13565428 cubic inches would be around 19.9 feet tall.

Recreational maths with 13565428

• 13565428 backwards is 82456531
• The number of decimal digits it has is: 8
• The sum of 13565428's digits is 34
• More coming soon!