21039931

21,039,931 is an odd composite number composed of four prime numbers multiplied together.

What does the number 21039931 look like?

This visualization shows the relationship between its 4 prime factors (large circles) and 16 divisors.

21039931 is an odd composite number. It is composed of four distinct prime numbers multiplied together. It has a total of sixteen divisors.

Prime factorization of 21039931:

11 × 17 × 59 × 1907

See below for interesting mathematical facts about the number 21039931 from the Numbermatics database.

Names of 21039931

Cardinal: 21039931 can be written as Twenty-one million, thirty-nine thousand, nine hundred thirty-one.

Scientific notation

Scientific notation: 2.1039931 × 10⁷

Factors of 21039931

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 4
Sum of prime factors: 1994

Divisors of 21039931

Number of divisors d(n): 16
Complete list of divisors:
1 11 17 59 187 649 1003 1907 11033 20977 32419 112513 356609 1237643 1912721 21039931
Sum of all divisors σ(n): 24727680
Sum of proper divisors (its aliquot sum) s(n): 3687749
21039931 is a deficient number, because the sum of its proper divisors (3687749) is less than itself. Its deficiency is 17352182

Bases of 21039931

Binary: 1010000010000101100111011₂
Hexadecimal: 0x1410B3B
Base-36: CIYIJ

Squares and roots of 21039931

21039931 squared (21039931²) is 442678696484761
21039931 cubed (21039931³) is 9313929229209313991491
The square root of 21039931 is 4586.9304551083
The cube root of 21039931 is 276.0671745405

Scales and comparisons

How big is 21039931?

21,039,931 seconds is equal to 34 weeks, 5 days, 12 hours, 25 minutes, 31 seconds.
To count from 1 to 21,039,931 would take you about six 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 21039931 cubic inches would be around 23 feet tall.

Recreational maths with 21039931

21039931 backwards is 13993012
The number of decimal digits it has is: 8
The sum of 21039931's digits is 28
More coming soon!

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The information we have on file for 21039931 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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