21424422

Names of 21424422

• Cardinal: 21424422 can be written as Twenty-one million, four hundred twenty-four thousand, four hundred twenty-two.

Scientific notation

• Scientific notation: 2.1424422 × 10⁷

Factors of 21424422

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 3570742

Divisors of 21424422

• Number of divisors d(n): 8
• Complete list of divisors:
  1 2 3 6 3570737 7141474 10712211 21424422
• Sum of all divisors σ(n): 42848856
• Sum of proper divisors (its aliquot sum) s(n): 21424434
• 21424422 is an abundant number, because the sum of its proper divisors (21424434) is greater than itself. Its abundance is 12

Bases of 21424422

• Binary: 1010001101110100100100110₂
• Hexadecimal: 0x146E926
• Base-36: CR76U

Squares and roots of 21424422

• 21424422 squared (21424422²) is 459005858034084
• 21424422 cubed (21424422³) is 9833935202994305999448
• The square root of 21424422 is 4628.6522876535
• The cube root of 21424422 is 277.7386827231

Scales and comparisons

• 21,424,422 seconds is equal to 35 weeks, 2 days, 23 hours, 13 minutes, 42 seconds.
• To count from 1 to 21,424,422 would take you about twenty-two 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 21424422 cubic inches would be around 23.1 feet tall.

Recreational maths with 21424422

• 21424422 backwards is 22442412
• The number of decimal digits it has is: 8
• The sum of 21424422's digits is 21
• More coming soon!