21000097

Names of 21000097

• Cardinal: 21000097 can be written as Twenty-one million and ninety-seven.

Scientific notation

• Scientific notation: 2.1000097 × 10⁷

Factors of 21000097

• Number of distinct prime factors ω(n): 1
• Total number of prime factors Ω(n): 1
• Sum of prime factors: 21000097

Divisors of 21000097

• Number of divisors d(n): 2
• Complete list of divisors:
  1 21000097
• Sum of all divisors σ(n): 21000098
• Sum of proper divisors (its aliquot sum) s(n): 1
• 21000097 is a deficient number, because the sum of its proper divisors (1) is less than itself. Its deficiency is 21000096

Bases of 21000097

• Binary: 1010000000110111110100001₂
• Hexadecimal: 0x1406FA1
• Base-36: CI3S1

Squares and roots of 21000097

• 21000097 squared (21000097²) is 441004074009409
• 21000097 cubed (21000097³) is 9261128331592767912673
• The square root of 21000097 is 4582.5862785111
• The cube root of 21000097 is 275.8928424241

Scales and comparisons

• 21,000,097 seconds is equal to 34 weeks, 5 days, 1 hour, 21 minutes, 37 seconds.
• To count from 1 to 21,000,097 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 21000097 cubic inches would be around 23 feet tall.

Recreational maths with 21000097

• 21000097 backwards is 79000012
• The number of decimal digits it has is: 8
• The sum of 21000097's digits is 19
• More coming soon!