13138857

13,138,857 is an odd composite number composed of two prime numbers multiplied together.

What does the number 13138857 look like?

This visualization shows the relationship between its 2 prime factors (large circles) and 6 divisors.

13138857 is an odd composite number. It is composed of two distinct prime numbers multiplied together. It has a total of six divisors.

Prime factorization of 13138857:

3² × 1459873

(3 × 3 × 1459873)

See below for interesting mathematical facts about the number 13138857 from the Numbermatics database.

Names of 13138857

Cardinal: 13138857 can be written as Thirteen million, one hundred thirty-eight thousand, eight hundred fifty-seven.

Scientific notation

Scientific notation: 1.3138857 × 10⁷

Factors of 13138857

Number of distinct prime factors ω(n): 2
Total number of prime factors Ω(n): 3
Sum of prime factors: 1459876

Divisors of 13138857

Number of divisors d(n): 6
Complete list of divisors:
1 3 9 1459873 4379619 13138857
Sum of all divisors σ(n): 18978362
Sum of proper divisors (its aliquot sum) s(n): 5839505
13138857 is a deficient number, because the sum of its proper divisors (5839505) is less than itself. Its deficiency is 7299352

Bases of 13138857

Binary: 110010000111101110101001₂
Hexadecimal: 0xC87BA9
Base-36: 7TM09

Squares and roots of 13138857

13138857 squared (13138857²) is 172629563266449
13138857 cubed (13138857³) is 2268155145730326308793
The square root of 13138857 is 3624.7561297279
The cube root of 13138857 is 235.9676832605

Scales and comparisons

How big is 13138857?

13,138,857 seconds is equal to 21 weeks, 5 days, 1 hour, 40 minutes, 57 seconds.
To count from 1 to 13,138,857 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 13138857 cubic inches would be around 19.7 feet tall.

Recreational maths with 13138857

13138857 backwards is 75883131
The number of decimal digits it has is: 8
The sum of 13138857's digits is 36
More coming soon!

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The information we have on file for 13138857 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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