21473953

Names of 21473953

• Cardinal: 21473953 can be written as Twenty-one million, four hundred seventy-three thousand, nine hundred fifty-three.

Scientific notation

• Scientific notation: 2.1473953 × 10⁷

Factors of 21473953

• Number of distinct prime factors ω(n): 1
• Total number of prime factors Ω(n): 1
• Sum of prime factors: 21473953

Divisors of 21473953

• Number of divisors d(n): 2
• Complete list of divisors:
  1 21473953
• Sum of all divisors σ(n): 21473954
• Sum of proper divisors (its aliquot sum) s(n): 1
• 21473953 is a deficient number, because the sum of its proper divisors (1) is less than itself. Its deficiency is 21473952

Bases of 21473953

• Binary: 1010001111010101010100001₂
• Hexadecimal: 0x147AAA1
• Base-36: CS9EP

Squares and roots of 21473953

• 21473953 squared (21473953²) is 461130657446209
• 21473953 cubed (21473953³) is 9902298064858992094177
• The square root of 21473953 is 4633.9996763055
• The cube root of 21473953 is 277.9525521563

Scales and comparisons

• 21,473,953 seconds is equal to 35 weeks, 3 days, 12 hours, 59 minutes, 13 seconds.
• To count from 1 to 21,473,953 would take you about nineteen 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 21473953 cubic inches would be around 23.2 feet tall.

Recreational maths with 21473953

• 21473953 backwards is 35937412
• The number of decimal digits it has is: 8
• The sum of 21473953's digits is 34
• More coming soon!