138391488

138,391,488 is an even composite number composed of three prime numbers multiplied together.

What does the number 138391488 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 42 divisors.

138391488 is an even composite number. It is composed of three distinct prime numbers multiplied together. It has a total of forty-two divisors.

Prime factorization of 138391488:

2⁶ × 3² × 240263

(2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 240263)

See below for interesting mathematical facts about the number 138391488 from the Numbermatics database.

Names of 138391488

Cardinal: 138391488 can be written as One hundred thirty-eight million, three hundred ninety-one thousand, four hundred eighty-eight.

Scientific notation

Scientific notation: 1.38391488 × 10⁸

Factors of 138391488

Number of distinct prime factors ω(n): 3
Total number of prime factors Ω(n): 9
Sum of prime factors: 240268

Divisors of 138391488

Number of divisors d(n): 42
Complete list of divisors:
1 2 3 4 6 8 9 12 16 18 24 32 36 48 64 72 96 144 192 288 576 240263 480526 720789 961052 1441578 1922104 2162367 2883156 3844208 4324734 5766312 7688416 8649468 11532624 15376832 17298936 23065248 34597872 46130496 69195744 138391488
Sum of all divisors σ(n): 396675864
Sum of proper divisors (its aliquot sum) s(n): 258284376
138391488 is an abundant number, because the sum of its proper divisors (258284376) is greater than itself. Its abundance is 119892888

Bases of 138391488

Binary: 1000001111111010111111000000₂
Hexadecimal: 0x83FAFC0
Base-36: 2AE7K0

Squares and roots of 138391488

138391488 squared (138391488²) is 19152203950854144
138391488 cubed (138391488³) is 2650502003238183859126272
The square root of 138391488 is 11763.9911594663
The cube root of 138391488 is 517.2531287667

Scales and comparisons

How big is 138391488?

138,391,488 seconds is equal to 4 years, 20 weeks, 5 days, 18 hours, 4 minutes, 48 seconds.
To count from 1 to 138,391,488 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 138391488 cubic inches would be around 43.1 feet tall.

Recreational maths with 138391488

138391488 backwards is 884193831
The number of decimal digits it has is: 9
The sum of 138391488's digits is 45
More coming soon!

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The information we have on file for 138391488 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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