13640469

Names of 13640469

• Cardinal: 13640469 can be written as Thirteen million, six hundred forty thousand, four hundred sixty-nine.

Scientific notation

• Scientific notation: 1.3640469 × 10⁷

Factors of 13640469

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 4
• Sum of prime factors: 2004

Divisors of 13640469

• Number of divisors d(n): 16
• Complete list of divisors:
  1 3 29 83 87 249 1889 2407 5667 7221 54781 156787 164343 470361 4546823 13640469
• Sum of all divisors σ(n): 19051200
• Sum of proper divisors (its aliquot sum) s(n): 5410731
• 13640469 is a deficient number, because the sum of its proper divisors (5410731) is less than itself. Its deficiency is 8229738

Bases of 13640469

• Binary: 110100000010001100010101₂
• Hexadecimal: 0xD02315
• Base-36: 84D1X

Squares and roots of 13640469

• 13640469 squared (13640469²) is 186062394539961
• 13640469 cubed (13640469³) is 2537978324788107281709
• The square root of 13640469 is 3693.3005564129
• The cube root of 13640469 is 238.9331640869

Scales and comparisons

• 13,640,469 seconds is equal to 22 weeks, 3 days, 21 hours, 1 minute, 9 seconds.
• To count from 1 to 13,640,469 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 13640469 cubic inches would be around 19.9 feet tall.

Recreational maths with 13640469

• 13640469 backwards is 96404631
• The number of decimal digits it has is: 8
• The sum of 13640469's digits is 33
• More coming soon!