13132221

Names of 13132221

• Cardinal: 13132221 can be written as Thirteen million, one hundred thirty-two thousand, two hundred twenty-one.

Scientific notation

• Scientific notation: 1.3132221 × 10⁷

Factors of 13132221

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 4377410

Divisors of 13132221

• Number of divisors d(n): 4
• Complete list of divisors:
  1 3 4377407 13132221
• Sum of all divisors σ(n): 17509632
• Sum of proper divisors (its aliquot sum) s(n): 4377411
• 13132221 is a deficient number, because the sum of its proper divisors (4377411) is less than itself. Its deficiency is 8754810

Bases of 13132221

• Binary: 110010000110000110111101₂
• Hexadecimal: 0xC861BD
• Base-36: 7TGVX

Squares and roots of 13132221

• 13132221 squared (13132221²) is 172455228392841
• 13132221 cubed (13132221³) is 2264720171860262829861
• The square root of 13132221 is 3623.8406421915
• The cube root of 13132221 is 235.9279500923

Scales and comparisons

• 13,132,221 seconds is equal to 21 weeks, 4 days, 23 hours, 50 minutes, 21 seconds.
• To count from 1 to 13,132,221 would take you about thirty-two 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 13132221 cubic inches would be around 19.7 feet tall.

Recreational maths with 13132221

• 13132221 backwards is 12223131
• The number of decimal digits it has is: 8
• The sum of 13132221's digits is 15
• More coming soon!