138480

138,480 is an even composite number composed of four prime numbers multiplied together.

What does the number 138480 look like?

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

138480 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 138480:

2⁴ × 3 × 5 × 577

(2 × 2 × 2 × 2 × 3 × 5 × 577)

See below for interesting mathematical facts about the number 138480 from the Numbermatics database.

Names of 138480

Cardinal: 138480 can be written as One hundred thirty-eight thousand, four hundred eighty.

Scientific notation

Scientific notation: 1.3848 × 10⁵

Factors of 138480

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 7
Sum of prime factors: 587

Divisors of 138480

Number of divisors d(n): 40
Complete list of divisors:
1 2 3 4 5 6 8 10 12 15 16 20 24 30 40 48 60 80 120 240 577 1154 1731 2308 2885 3462 4616 5770 6924 8655 9232 11540 13848 17310 23080 27696 34620 46160 69240 138480
Sum of all divisors σ(n): 430032
Sum of proper divisors (its aliquot sum) s(n): 291552
138480 is an abundant number, because the sum of its proper divisors (291552) is greater than itself. Its abundance is 153072

Bases of 138480

Binary: 100001110011110000₂
Hexadecimal: 0x21CF0
Base-36: 2YUO

Squares and roots of 138480

138480 squared (138480²) is 19176710400
138480 cubed (138480³) is 2655590856192000
The square root of 138480 is 372.1290098879
The cube root of 138480 is 51.7363379651

Scales and comparisons

How big is 138480?

138,480 seconds is equal to 1 day, 14 hours, 28 minutes.
To count from 1 to 138,480 would take you about fourteen hours.

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 138480 cubic inches would be around 4.3 feet tall.

Recreational maths with 138480

138480 backwards is 084831
138480 is a Harshad number.
The number of decimal digits it has is: 6
The sum of 138480's digits is 24
More coming soon!

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The information we have on file for 138480 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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