138660208

138,660,208 is an even composite number composed of three prime numbers multiplied together.

What does the number 138660208 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 40 divisors.

138660208 is an even composite number. It is composed of three distinct prime numbers multiplied together. It has a total of forty divisors.

Prime factorization of 138660208:

2⁴ × 43³ × 109

(2 × 2 × 2 × 2 × 43 × 43 × 43 × 109)

See below for interesting mathematical facts about the number 138660208 from the Numbermatics database.

Names of 138660208

Cardinal: 138660208 can be written as One hundred thirty-eight million, six hundred sixty thousand, two hundred eight.

Scientific notation

Scientific notation: 1.38660208 × 10⁸

Factors of 138660208

Number of distinct prime factors ω(n): 3
Total number of prime factors Ω(n): 8
Sum of prime factors: 154

Divisors of 138660208

Number of divisors d(n): 40
Complete list of divisors:
1 2 4 8 16 43 86 109 172 218 344 436 688 872 1744 1849 3698 4687 7396 9374 14792 18748 29584 37496 74992 79507 159014 201541 318028 403082 636056 806164 1272112 1612328 3224656 8666263 17332526 34665052 69330104 138660208
Sum of all divisors σ(n): 277574000
Sum of proper divisors (its aliquot sum) s(n): 138913792
138660208 is an abundant number, because the sum of its proper divisors (138913792) is greater than itself. Its abundance is 253584

Bases of 138660208

Binary: 1000010000111100100101110000₂
Hexadecimal: 0x843C970
Base-36: 2AJYWG

Squares and roots of 138660208

138660208 squared (138660208²) is 19226653282603264
138660208 cubed (138660208³) is 2665971743309651367718912
The square root of 138660208 is 11775.4069144125
The cube root of 138660208 is 517.5877023135

Scales and comparisons

How big is 138660208?

138,660,208 seconds is equal to 4 years, 21 weeks, 1 day, 20 hours, 43 minutes, 28 seconds.
To count from 1 to 138,660,208 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 138660208 cubic inches would be around 43.1 feet tall.

Recreational maths with 138660208

138660208 backwards is 802066831
The number of decimal digits it has is: 9
The sum of 138660208's digits is 34
More coming soon!

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The information we have on file for 138660208 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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