13640474

Names of 13640474

• Cardinal: 13640474 can be written as Thirteen million, six hundred forty thousand, four hundred seventy-four.

Scientific notation

• Scientific notation: 1.3640474 × 10⁷

Factors of 13640474

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 43600

Divisors of 13640474

• Number of divisors d(n): 8
• Complete list of divisors:
  1 2 157 314 43441 86882 6820237 13640474
• Sum of all divisors σ(n): 20591508
• Sum of proper divisors (its aliquot sum) s(n): 6951034
• 13640474 is a deficient number, because the sum of its proper divisors (6951034) is less than itself. Its deficiency is 6689440

Bases of 13640474

• Binary: 110100000010001100011010₂
• Hexadecimal: 0xD0231A
• Base-36: 84D22

Squares and roots of 13640474

• 13640474 squared (13640474²) is 186062530944676
• 13640474 cubed (13640474³) is 2537981115725048416424
• The square root of 13640474 is 3693.3012333141
• The cube root of 13640474 is 238.9331932809

Scales and comparisons

• 13,640,474 seconds is equal to 22 weeks, 3 days, 21 hours, 1 minute, 14 seconds.
• To count from 1 to 13,640,474 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 13640474 cubic inches would be around 19.9 feet tall.

Recreational maths with 13640474

• 13640474 backwards is 47404631
• The number of decimal digits it has is: 8
• The sum of 13640474's digits is 29
• More coming soon!