21004108

Names of 21004108

• Cardinal: 21004108 can be written as Twenty-one million, four thousand, one hundred eight.

Scientific notation

• Scientific notation: 2.1004108 × 10⁷

Factors of 21004108

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 5251029

Divisors of 21004108

• Number of divisors d(n): 6
• Complete list of divisors:
  1 2 4 5251027 10502054 21004108
• Sum of all divisors σ(n): 36757196
• Sum of proper divisors (its aliquot sum) s(n): 15753088
• 21004108 is a deficient number, because the sum of its proper divisors (15753088) is less than itself. Its deficiency is 5251020

Bases of 21004108

• Binary: 1010000000111111101001100₂
• Hexadecimal: 0x1407F4C
• Base-36: CI6VG

Squares and roots of 21004108

• 21004108 squared (21004108²) is 441172552875664
• 21004108 cubed (21004108³) is 9266435947236157227712
• The square root of 21004108 is 4583.0238925845
• The cube root of 21004108 is 275.9104064025

Scales and comparisons

• 21,004,108 seconds is equal to 34 weeks, 5 days, 2 hours, 28 minutes, 28 seconds.
• To count from 1 to 21,004,108 would take you about fifteen 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 21004108 cubic inches would be around 23 feet tall.

Recreational maths with 21004108

• 21004108 backwards is 80140012
• The number of decimal digits it has is: 8
• The sum of 21004108's digits is 16
• More coming soon!