21027872

21,027,872 is an even composite number composed of two prime numbers multiplied together.

What does the number 21027872 look like?

This visualization shows the relationship between its 2 prime factors (large circles) and 12 divisors.

21027872 is an even composite number. It is composed of two distinct prime numbers multiplied together. It has a total of twelve divisors.

Prime factorization of 21027872:

2⁵ × 657121

(2 × 2 × 2 × 2 × 2 × 657121)

See below for interesting mathematical facts about the number 21027872 from the Numbermatics database.

Names of 21027872

Cardinal: 21027872 can be written as Twenty-one million, twenty-seven thousand, eight hundred seventy-two.

Scientific notation

Scientific notation: 2.1027872 × 10⁷

Factors of 21027872

Number of distinct prime factors ω(n): 2
Total number of prime factors Ω(n): 6
Sum of prime factors: 657123

Divisors of 21027872

Number of divisors d(n): 12
Complete list of divisors:
1 2 4 8 16 32 657121 1314242 2628484 5256968 10513936 21027872
Sum of all divisors σ(n): 41398686
Sum of proper divisors (its aliquot sum) s(n): 20370814
21027872 is a deficient number, because the sum of its proper divisors (20370814) is less than itself. Its deficiency is 657058

Bases of 21027872

Binary: 1010000001101110000100000₂
Hexadecimal: 0x140DC20
Base-36: CIP7K

Squares and roots of 21027872

21027872 squared (21027872²) is 442171400848384
21027872 cubed (21027872³) is 9297923619100510158848
The square root of 21027872 is 4585.6157710825
The cube root of 21027872 is 276.0144219869

Scales and comparisons

How big is 21027872?

21,027,872 seconds is equal to 34 weeks, 5 days, 9 hours, 4 minutes, 32 seconds.
To count from 1 to 21,027,872 would take you about thirty-six minutes!

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 21027872 cubic inches would be around 23 feet tall.

Recreational maths with 21027872

21027872 backwards is 27872012
The number of decimal digits it has is: 8
The sum of 21027872's digits is 29
More coming soon!

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The information we have on file for 21027872 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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