13809449

Names of 13809449

• Cardinal: 13809449 can be written as Thirteen million, eight hundred nine thousand, four hundred forty-nine.

Scientific notation

• Scientific notation: 1.3809449 × 10⁷

Factors of 13809449

• Number of distinct prime factors ω(n): 1
• Total number of prime factors Ω(n): 1
• Sum of prime factors: 13809449

Divisors of 13809449

• Number of divisors d(n): 2
• Complete list of divisors:
  1 13809449
• Sum of all divisors σ(n): 13809450
• Sum of proper divisors (its aliquot sum) s(n): 1
• 13809449 is a deficient number, because the sum of its proper divisors (1) is less than itself. Its deficiency is 13809448

Bases of 13809449

• Binary: 110100101011011100101001₂
• Hexadecimal: 0xD2B729
• Base-36: 87ZFT

Squares and roots of 13809449

• 13809449 squared (13809449²) is 190700881683601
• 13809449 cubed (13809449³) is 2633474099864722145849
• The square root of 13809449 is 3716.1066992217
• The cube root of 13809449 is 239.9157632615

Scales and comparisons

• 13,809,449 seconds is equal to 22 weeks, 5 days, 19 hours, 57 minutes, 29 seconds.
• To count from 1 to 13,809,449 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 13809449 cubic inches would be around 20 feet tall.

Recreational maths with 13809449

• 13809449 backwards is 94490831
• 13809449 is a twin prime! Its twin is 13809451
• The number of decimal digits it has is: 8
• The sum of 13809449's digits is 38
• More coming soon!