20513291

20,513,291 is an odd composite number composed of three prime numbers multiplied together.

What does the number 20513291 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 8 divisors.

20513291 is an odd composite number. It is composed of three distinct prime numbers multiplied together. It has a total of eight divisors.

Prime factorization of 20513291:

47 × 107 × 4079

See below for interesting mathematical facts about the number 20513291 from the Numbermatics database.

Names of 20513291

Cardinal: 20513291 can be written as Twenty million, five hundred thirteen thousand, two hundred ninety-one.

Scientific notation

Scientific notation: 2.0513291 × 10⁷

Factors of 20513291

Number of distinct prime factors ω(n): 3
Total number of prime factors Ω(n): 3
Sum of prime factors: 4233

Divisors of 20513291

Number of divisors d(n): 8
Complete list of divisors:
1 47 107 4079 5029 191713 436453 20513291
Sum of all divisors σ(n): 21150720
Sum of proper divisors (its aliquot sum) s(n): 637429
20513291 is a deficient number, because the sum of its proper divisors (637429) is less than itself. Its deficiency is 19875862

Bases of 20513291

Binary: 1001110010000001000001011₂
Hexadecimal: 0x139020B
Base-36: C7O5N

Squares and roots of 20513291

20513291 squared (20513291²) is 420795107650681
20513291 cubed (20513291³) is 8631892494614745701171
The square root of 20513291 is 4529.1600766589
The cube root of 20513291 is 273.7443181129

Scales and comparisons

How big is 20513291?

20,513,291 seconds is equal to 33 weeks, 6 days, 10 hours, 8 minutes, 11 seconds.
To count from 1 to 20,513,291 would take you about fifty 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 20513291 cubic inches would be around 22.8 feet tall.

Recreational maths with 20513291

20513291 backwards is 19231502
The number of decimal digits it has is: 8
The sum of 20513291's digits is 23
More coming soon!

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The information we have on file for 20513291 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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