13802221

Names of 13802221

• Cardinal: 13802221 can be written as Thirteen million, eight hundred two thousand, two hundred twenty-one.

Scientific notation

• Scientific notation: 1.3802221 × 10⁷

Factors of 13802221

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 1871

Divisors of 13802221

• Number of divisors d(n): 8
• Complete list of divisors:
  1 37 233 1601 8621 59237 373033 13802221
• Sum of all divisors σ(n): 14244984
• Sum of proper divisors (its aliquot sum) s(n): 442763
• 13802221 is a deficient number, because the sum of its proper divisors (442763) is less than itself. Its deficiency is 13359458

Bases of 13802221

• Binary: 110100101001101011101101₂
• Hexadecimal: 0xD29AED
• Base-36: 87TV1

Squares and roots of 13802221

• 13802221 squared (13802221²) is 190501304532841
• 13802221 cubed (13802221³) is 2629341105950573239861
• The square root of 13802221 is 3715.1340487255
• The cube root of 13802221 is 239.8738978747

Scales and comparisons

• 13,802,221 seconds is equal to 22 weeks, 5 days, 17 hours, 57 minutes, 1 second.
• To count from 1 to 13,802,221 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 13802221 cubic inches would be around 20 feet tall.

Recreational maths with 13802221

• 13802221 backwards is 12220831
• The number of decimal digits it has is: 8
• The sum of 13802221's digits is 19
• More coming soon!