138813900

138,813,900 is an even composite number composed of four prime numbers multiplied together.

What does the number 138813900 look like?

This visualization shows the relationship between its 4 prime factors (large circles) and 36 divisors.

138813900 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of thirty-six divisors.

Prime factorization of 138813900:

2² × 3 × 5² × 462713

(2 × 2 × 3 × 5 × 5 × 462713)

See below for interesting mathematical facts about the number 138813900 from the Numbermatics database.

Names of 138813900

Cardinal: 138813900 can be written as One hundred thirty-eight million, eight hundred thirteen thousand, nine hundred.

Scientific notation

Scientific notation: 1.388139 × 10⁸

Factors of 138813900

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 6
Sum of prime factors: 462723

Divisors of 138813900

Number of divisors d(n): 36
Complete list of divisors:
1 2 3 4 5 6 10 12 15 20 25 30 50 60 75 100 150 300 462713 925426 1388139 1850852 2313565 2776278 4627130 5552556 6940695 9254260 11567825 13881390 23135650 27762780 34703475 46271300 69406950 138813900
Sum of all divisors σ(n): 401635752
Sum of proper divisors (its aliquot sum) s(n): 262821852
138813900 is an abundant number, because the sum of its proper divisors (262821852) is greater than itself. Its abundance is 124007952

Bases of 138813900

Binary: 1000010001100010000111001100₂
Hexadecimal: 0x84621CC
Base-36: 2AN9HO

Squares and roots of 138813900

138813900 squared (138813900²) is 19269298833210000
138813900 cubed (138813900³) is 2674846521303329619000000
The square root of 138813900 is 11781.9310811089
The cube root of 138813900 is 517.7788643813

Scales and comparisons

How big is 138813900?

138,813,900 seconds is equal to 4 years, 21 weeks, 3 days, 15 hours, 25 minutes.
To count from 1 to 138,813,900 would take you about six years!

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 138813900 cubic inches would be around 43.1 feet tall.

Recreational maths with 138813900

138813900 backwards is 009318831
The number of decimal digits it has is: 9
The sum of 138813900's digits is 33
More coming soon!

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The information we have on file for 138813900 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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