21001199

Names of 21001199

• Cardinal: 21001199 can be written as Twenty-one million, one thousand, one hundred ninety-nine.

Scientific notation

• Scientific notation: 2.1001199 × 10⁷

Factors of 21001199

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 11736

Divisors of 21001199

• Number of divisors d(n): 4
• Complete list of divisors:
  1 2203 9533 21001199
• Sum of all divisors σ(n): 21012936
• Sum of proper divisors (its aliquot sum) s(n): 11737
• 21001199 is a deficient number, because the sum of its proper divisors (11737) is less than itself. Its deficiency is 20989462

Bases of 21001199

• Binary: 1010000000111001111101111₂
• Hexadecimal: 0x14073EF
• Base-36: CI4MN

Squares and roots of 21001199

• 21001199 squared (21001199²) is 441050359437601
• 21001199 cubed (21001199³) is 9262586367570586683599
• The square root of 21001199 is 4582.7065147137
• The cube root of 21001199 is 275.8976682527

Scales and comparisons

• 21,001,199 seconds is equal to 34 weeks, 5 days, 1 hour, 39 minutes, 59 seconds.
• To count from 1 to 21,001,199 would take you about fourteen hours!

  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 21001199 cubic inches would be around 23 feet tall.

Recreational maths with 21001199

• 21001199 backwards is 99110012
• The number of decimal digits it has is: 8
• The sum of 21001199's digits is 23
• More coming soon!