138784768

138,784,768 is an even composite number composed of three prime numbers multiplied together.

What does the number 138784768 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 52 divisors.

138784768 is an even composite number. It is composed of three distinct prime numbers multiplied together. It has a total of fifty-two divisors.

Prime factorization of 138784768:

2¹² × 31 × 1093

(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 31 × 1093)

See below for interesting mathematical facts about the number 138784768 from the Numbermatics database.

Names of 138784768

Cardinal: 138784768 can be written as One hundred thirty-eight million, seven hundred eighty-four thousand, seven hundred sixty-eight.

Scientific notation

Scientific notation: 1.38784768 × 10⁸

Factors of 138784768

Number of distinct prime factors ω(n): 3
Total number of prime factors Ω(n): 14
Sum of prime factors: 1126

Divisors of 138784768

Number of divisors d(n): 52
Complete list of divisors:
1 2 4 8 16 31 32 62 64 124 128 248 256 496 512 992 1024 1093 1984 2048 2186 3968 4096 4372 7936 8744 15872 17488 31744 33883 34976 63488 67766 69952 126976 135532 139904 271064 279808 542128 559616 1084256 1119232 2168512 2238464 4337024 4476928 8674048 17348096 34696192 69392384 138784768
Sum of all divisors σ(n): 286750528
Sum of proper divisors (its aliquot sum) s(n): 147965760
138784768 is an abundant number, because the sum of its proper divisors (147965760) is greater than itself. Its abundance is 9180992

Bases of 138784768

Binary: 1000010001011011000000000000₂
Hexadecimal: 0x845B000
Base-36: 2AMN0G

Squares and roots of 138784768

138784768 squared (138784768²) is 19261211828813824
138784768 cubed (138784768³) is 2673162815060782279032832
The square root of 138784768 is 11780.6947163569
The cube root of 138784768 is 517.7426408495

Scales and comparisons

How big is 138784768?

138,784,768 seconds is equal to 4 years, 21 weeks, 3 days, 7 hours, 19 minutes, 28 seconds.
To count from 1 to 138,784,768 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 138784768 cubic inches would be around 43.1 feet tall.

Recreational maths with 138784768

138784768 backwards is 867487831
The number of decimal digits it has is: 9
The sum of 138784768's digits is 52
More coming soon!

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The information we have on file for 138784768 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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