21231168

21,231,168 is an even composite number composed of four prime numbers multiplied together.

What does the number 21231168 look like?

This visualization shows the relationship between its 4 prime factors (large circles) and 56 divisors.

21231168 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of fifty-six divisors.

Prime factorization of 21231168:

2⁶ × 3 × 7 × 15797

(2 × 2 × 2 × 2 × 2 × 2 × 3 × 7 × 15797)

See below for interesting mathematical facts about the number 21231168 from the Numbermatics database.

Names of 21231168

Cardinal: 21231168 can be written as Twenty-one million, two hundred thirty-one thousand, one hundred sixty-eight.

Scientific notation

Scientific notation: 2.1231168 × 10⁷

Factors of 21231168

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 9
Sum of prime factors: 15809

Divisors of 21231168

Number of divisors d(n): 56
Complete list of divisors:
1 2 3 4 6 7 8 12 14 16 21 24 28 32 42 48 56 64 84 96 112 168 192 224 336 448 672 1344 15797 31594 47391 63188 94782 110579 126376 189564 221158 252752 331737 379128 442316 505504 663474 758256 884632 1011008 1326948 1516512 1769264 2653896 3033024 3538528 5307792 7077056 10615584 21231168
Sum of all divisors σ(n): 64203072
Sum of proper divisors (its aliquot sum) s(n): 42971904
21231168 is an abundant number, because the sum of its proper divisors (42971904) is greater than itself. Its abundance is 21740736

Bases of 21231168

Binary: 1010000111111011001000000₂
Hexadecimal: 0x143F640
Base-36: CN22O

Squares and roots of 21231168

21231168 squared (21231168²) is 450762494644224
21231168 cubed (21231168³) is 9570214251890619973632
The square root of 21231168 is 4607.7291587069
The cube root of 21231168 is 276.9010668167

Scales and comparisons

How big is 21231168?

21,231,168 seconds is equal to 35 weeks, 17 hours, 32 minutes, 48 seconds.
To count from 1 to 21,231,168 would take you about four days!

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 21231168 cubic inches would be around 23.1 feet tall.

Recreational maths with 21231168

21231168 backwards is 86113212
21231168 is a Harshad number.
The number of decimal digits it has is: 8
The sum of 21231168's digits is 24
More coming soon!

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The information we have on file for 21231168 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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