138279408

138,279,408 is an even composite number composed of four prime numbers multiplied together.

What does the number 138279408 look like?

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

138279408 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 138279408:

2⁴ × 3 × 131 × 21991

(2 × 2 × 2 × 2 × 3 × 131 × 21991)

See below for interesting mathematical facts about the number 138279408 from the Numbermatics database.

Names of 138279408

Cardinal: 138279408 can be written as One hundred thirty-eight million, two hundred seventy-nine thousand, four hundred eight.

Scientific notation

Scientific notation: 1.38279408 × 10⁸

Factors of 138279408

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 7
Sum of prime factors: 22127

Divisors of 138279408

Number of divisors d(n): 40
Complete list of divisors:
1 2 3 4 6 8 12 16 24 48 131 262 393 524 786 1048 1572 2096 3144 6288 21991 43982 65973 87964 131946 175928 263892 351856 527784 1055568 2880821 5761642 8642463 11523284 17284926 23046568 34569852 46093136 69139704 138279408
Sum of all divisors σ(n): 359965056
Sum of proper divisors (its aliquot sum) s(n): 221685648
138279408 is an abundant number, because the sum of its proper divisors (221685648) is greater than itself. Its abundance is 83406240

Bases of 138279408

Binary: 1000001111011111100111110000₂
Hexadecimal: 0x83DF9F0
Base-36: 2ABT2O

Squares and roots of 138279408

138279408 squared (138279408²) is 19121194676830464
138279408 cubed (138279408³) is 2644067480164867878285312
The square root of 138279408 is 11759.2265051745
The cube root of 138279408 is 517.1134540195

Scales and comparisons

How big is 138279408?

138,279,408 seconds is equal to 4 years, 20 weeks, 4 days, 10 hours, 56 minutes, 48 seconds.
To count from 1 to 138,279,408 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 138279408 cubic inches would be around 43.1 feet tall.

Recreational maths with 138279408

138279408 backwards is 804972831
The number of decimal digits it has is: 9
The sum of 138279408's digits is 42
More coming soon!

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The information we have on file for 138279408 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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