13481209

Names of 13481209

• Cardinal: 13481209 can be written as Thirteen million, four hundred eighty-one thousand, two hundred nine.

Scientific notation

• Scientific notation: 1.3481209 × 10⁷

Factors of 13481209

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 52095

Divisors of 13481209

• Number of divisors d(n): 8
• Complete list of divisors:
  1 7 37 259 52051 364357 1925887 13481209
• Sum of all divisors σ(n): 15823808
• Sum of proper divisors (its aliquot sum) s(n): 2342599
• 13481209 is a deficient number, because the sum of its proper divisors (2342599) is less than itself. Its deficiency is 11138610

Bases of 13481209

• Binary: 110011011011010011111001₂
• Hexadecimal: 0xCDB4F9
• Base-36: 80Y61

Squares and roots of 13481209

• 13481209 squared (13481209²) is 181742996101681
• 13481209 cubed (13481209³) is 2450115314732946812329
• The square root of 13481209 is 3671.6765925119
• The cube root of 13481209 is 237.9996292629

Scales and comparisons

• 13,481,209 seconds is equal to 22 weeks, 2 days, 46 minutes, 49 seconds.
• To count from 1 to 13,481,209 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 13481209 cubic inches would be around 19.8 feet tall.

Recreational maths with 13481209

• 13481209 backwards is 90218431
• The number of decimal digits it has is: 8
• The sum of 13481209's digits is 28
• More coming soon!