13221918

13,221,918 is an even composite number composed of five prime numbers multiplied together.

What does the number 13221918 look like?

This visualization shows the relationship between its 5 prime factors (large circles) and 48 divisors.

13221918 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of forty-eight divisors.

Prime factorization of 13221918:

2 × 3² × 23 × 109 × 293

(2 × 3 × 3 × 23 × 109 × 293)

See below for interesting mathematical facts about the number 13221918 from the Numbermatics database.

Names of 13221918

Cardinal: 13221918 can be written as Thirteen million, two hundred twenty-one thousand, nine hundred eighteen.

Scientific notation

Scientific notation: 1.3221918 × 10⁷

Factors of 13221918

Number of distinct prime factors ω(n): 5
Total number of prime factors Ω(n): 6
Sum of prime factors: 430

Divisors of 13221918

Number of divisors d(n): 48
Complete list of divisors:
1 2 3 6 9 18 23 46 69 109 138 207 218 293 327 414 586 654 879 981 1758 1962 2507 2637 5014 5274 6739 7521 13478 15042 20217 22563 31937 40434 45126 60651 63874 95811 121302 191622 287433 574866 734551 1469102 2203653 4407306 6610959 13221918
Sum of all divisors σ(n): 30270240
Sum of proper divisors (its aliquot sum) s(n): 17048322
13221918 is an abundant number, because the sum of its proper divisors (17048322) is greater than itself. Its abundance is 3826404

Bases of 13221918

Binary: 110010011100000000011110₂
Hexadecimal: 0xC9C01E
Base-36: 7VE3I

Squares and roots of 13221918

13221918 squared (13221918²) is 174819115598724
13221918 cubed (13221918³) is 2311444011278849632632
The square root of 13221918 is 3636.1955392965
The cube root of 13221918 is 236.4638845783

Scales and comparisons

How big is 13221918?

13,221,918 seconds is equal to 21 weeks, 6 days, 45 minutes, 18 seconds.
To count from 1 to 13,221,918 would take you about thirty-two weeks!

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 13221918 cubic inches would be around 19.7 feet tall.

Recreational maths with 13221918

13221918 backwards is 81912231
The number of decimal digits it has is: 8
The sum of 13221918's digits is 27
More coming soon!

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The information we have on file for 13221918 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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