21479083

Names of 21479083

• Cardinal: 21479083 can be written as Twenty-one million, four hundred seventy-nine thousand and eighty-three.

Scientific notation

• Scientific notation: 2.1479083 × 10⁷

Factors of 21479083

• Number of distinct prime factors ω(n): 1
• Total number of prime factors Ω(n): 1
• Sum of prime factors: 21479083

Divisors of 21479083

• Number of divisors d(n): 2
• Complete list of divisors:
  1 21479083
• Sum of all divisors σ(n): 21479084
• Sum of proper divisors (its aliquot sum) s(n): 1
• 21479083 is a deficient number, because the sum of its proper divisors (1) is less than itself. Its deficiency is 21479082

Bases of 21479083

• Binary: 1010001111011111010101011₂
• Hexadecimal: 0x147BEAB
• Base-36: CSDD7

Squares and roots of 21479083

• 21479083 squared (21479083²) is 461351006520889
• 21479083 cubed (21479083³) is 9909396561195716064787
• The square root of 21479083 is 4634.5531607697
• The cube root of 21479083 is 277.9746841325

Scales and comparisons

• 21,479,083 seconds is equal to 35 weeks, 3 days, 14 hours, 24 minutes, 43 seconds.
• To count from 1 to 21,479,083 would take you about twenty-one 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 21479083 cubic inches would be around 23.2 feet tall.

Recreational maths with 21479083

• 21479083 backwards is 38097412
• The number of decimal digits it has is: 8
• The sum of 21479083's digits is 34
• More coming soon!