21118131

21,118,131 is an odd composite number composed of four prime numbers multiplied together.

What does the number 21118131 look like?

This visualization shows the relationship between its 4 prime factors (large circles) and 32 divisors.

21118131 is an odd composite number. It is composed of four distinct prime numbers multiplied together. It has a total of thirty-two divisors.

Prime factorization of 21118131:

3³ × 17 × 139 × 331

(3 × 3 × 3 × 17 × 139 × 331)

See below for interesting mathematical facts about the number 21118131 from the Numbermatics database.

Names of 21118131

Cardinal: 21118131 can be written as Twenty-one million, one hundred eighteen thousand, one hundred thirty-one.

Scientific notation

Scientific notation: 2.1118131 × 10⁷

Factors of 21118131

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 6
Sum of prime factors: 490

Divisors of 21118131

Number of divisors d(n): 32
Complete list of divisors:
1 3 9 17 27 51 139 153 331 417 459 993 1251 2363 2979 3753 5627 7089 8937 16881 21267 46009 50643 63801 138027 151929 414081 782153 1242243 2346459 7039377 21118131
Sum of all divisors σ(n): 33465600
Sum of proper divisors (its aliquot sum) s(n): 12347469
21118131 is a deficient number, because the sum of its proper divisors (12347469) is less than itself. Its deficiency is 8770662

Bases of 21118131

Binary: 1010000100011110010110011₂
Hexadecimal: 0x1423CB3
Base-36: CKMUR

Squares and roots of 21118131

21118131 squared (21118131²) is 445975456933161
21118131 cubed (21118131³) is 9418168122299352242091
The square root of 21118131 is 4595.4467682697
The cube root of 21118131 is 276.4087751841

Scales and comparisons

How big is 21118131?

21,118,131 seconds is equal to 34 weeks, 6 days, 10 hours, 8 minutes, 51 seconds.
To count from 1 to 21,118,131 would take you about two 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 21118131 cubic inches would be around 23 feet tall.

Recreational maths with 21118131

21118131 backwards is 13181112
The number of decimal digits it has is: 8
The sum of 21118131's digits is 18
More coming soon!

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The information we have on file for 21118131 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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