138323920

138,323,920 is an even composite number composed of four prime numbers multiplied together.

What does the number 138323920 look like?

This visualization shows the relationship between its 4 prime factors (large circles) and 40 divisors.

138323920 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of forty divisors.

Prime factorization of 138323920:

2⁴ × 5 × 7 × 247007

(2 × 2 × 2 × 2 × 5 × 7 × 247007)

See below for interesting mathematical facts about the number 138323920 from the Numbermatics database.

Names of 138323920

Cardinal: 138323920 can be written as One hundred thirty-eight million, three hundred twenty-three thousand, nine hundred twenty.

Scientific notation

Scientific notation: 1.3832392 × 10⁸

Factors of 138323920

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 7
Sum of prime factors: 247021

Divisors of 138323920

Number of divisors d(n): 40
Complete list of divisors:
1 2 4 5 7 8 10 14 16 20 28 35 40 56 70 80 112 140 280 560 247007 494014 988028 1235035 1729049 1976056 2470070 3458098 3952112 4940140 6916196 8645245 9880280 13832392 17290490 19760560 27664784 34580980 69161960 138323920
Sum of all divisors σ(n): 367547904
Sum of proper divisors (its aliquot sum) s(n): 229223984
138323920 is an abundant number, because the sum of its proper divisors (229223984) is greater than itself. Its abundance is 90900064

Bases of 138323920

Binary: 1000001111101010011111010000₂
Hexadecimal: 0x83EA7D0
Base-36: 2ACRF4

Squares and roots of 138323920

138323920 squared (138323920²) is 19133506844166400
138323920 cubed (138323920³) is 2646621670031925580288000
The square root of 138323920 is 11761.1189943815
The cube root of 138323920 is 517.1689341645

Scales and comparisons

How big is 138323920?

138,323,920 seconds is equal to 4 years, 20 weeks, 4 days, 23 hours, 18 minutes, 40 seconds.
To count from 1 to 138,323,920 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 138323920 cubic inches would be around 43.1 feet tall.

Recreational maths with 138323920

138323920 backwards is 029323831
The number of decimal digits it has is: 9
The sum of 138323920's digits is 31
More coming soon!

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The information we have on file for 138323920 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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