13933221

Names of 13933221

• Cardinal: 13933221 can be written as Thirteen million, nine hundred thirty-three thousand, two hundred twenty-one.

Scientific notation

• Scientific notation: 1.3933221 × 10⁷

Factors of 13933221

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 33555

Divisors of 13933221

• Number of divisors d(n): 8
• Complete list of divisors:
  1 3 139 417 33413 100239 4644407 13933221
• Sum of all divisors σ(n): 18711840
• Sum of proper divisors (its aliquot sum) s(n): 4778619
• 13933221 is a deficient number, because the sum of its proper divisors (4778619) is less than itself. Its deficiency is 9154602

Bases of 13933221

• Binary: 110101001001101010100101₂
• Hexadecimal: 0xD49AA5
• Base-36: 8AMXX

Squares and roots of 13933221

• 13933221 squared (13933221²) is 194134647434841
• 13933221 cubed (13933221³) is 2704920946466722752861
• The square root of 13933221 is 3732.7230007061
• The cube root of 13933221 is 240.6304086263

Scales and comparisons

• 13,933,221 seconds is equal to 23 weeks, 6 hours, 20 minutes, 21 seconds.
• To count from 1 to 13,933,221 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 13933221 cubic inches would be around 20.1 feet tall.

Recreational maths with 13933221

• 13933221 backwards is 12233931
• The number of decimal digits it has is: 8
• The sum of 13933221's digits is 24
• More coming soon!