21422768

21,422,768 is an even composite number composed of two prime numbers multiplied together.

What does the number 21422768 look like?

This visualization shows the relationship between its 2 prime factors (large circles) and 10 divisors.

21422768 is an even composite number. It is composed of two distinct prime numbers multiplied together. It has a total of ten divisors.

Prime factorization of 21422768:

2⁴ × 1338923

(2 × 2 × 2 × 2 × 1338923)

See below for interesting mathematical facts about the number 21422768 from the Numbermatics database.

Names of 21422768

Cardinal: 21422768 can be written as Twenty-one million, four hundred twenty-two thousand, seven hundred sixty-eight.

Scientific notation

Scientific notation: 2.1422768 × 10⁷

Factors of 21422768

Number of distinct prime factors ω(n): 2
Total number of prime factors Ω(n): 5
Sum of prime factors: 1338925

Divisors of 21422768

Number of divisors d(n): 10
Complete list of divisors:
1 2 4 8 16 1338923 2677846 5355692 10711384 21422768
Sum of all divisors σ(n): 41506644
Sum of proper divisors (its aliquot sum) s(n): 20083876
21422768 is a deficient number, because the sum of its proper divisors (20083876) is less than itself. Its deficiency is 1338892

Bases of 21422768

Binary: 1010001101110001010110000₂
Hexadecimal: 0x146E2B0
Base-36: CR5WW

Squares and roots of 21422768

21422768 squared (21422768²) is 458934988781824
21422768 cubed (21422768³) is 9831657791755618168832
The square root of 21422768 is 4628.4736144867
The cube root of 21422768 is 277.7315352475

Scales and comparisons

How big is 21422768?

21,422,768 seconds is equal to 35 weeks, 2 days, 22 hours, 46 minutes, 8 seconds.
To count from 1 to 21,422,768 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 21422768 cubic inches would be around 23.1 feet tall.

Recreational maths with 21422768

21422768 backwards is 86722412
The number of decimal digits it has is: 8
The sum of 21422768's digits is 32
More coming soon!

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The information we have on file for 21422768 includes mathematical data and numerical statistics calculated using standard algorithms and methods. We are adding more all the time. If there are any features you would like to see, please contact us. Information provided for educational use, intellectual curiosity and fun!

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