137728

137,728 is an even composite number composed of two prime numbers multiplied together.

What does the number 137728 look like?

This visualization shows the relationship between its 2 prime factors (large circles) and 20 divisors.

137728 is an even composite number. It is composed of two distinct prime numbers multiplied together. It has a total of twenty divisors.

Prime factorization of 137728:

2⁹ × 269

(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 269)

See below for interesting mathematical facts about the number 137728 from the Numbermatics database.

Names of 137728

Cardinal: 137728 can be written as One hundred thirty-seven thousand, seven hundred twenty-eight.

Scientific notation

Scientific notation: 1.37728 × 10⁵

Factors of 137728

Number of distinct prime factors ω(n): 2
Total number of prime factors Ω(n): 10
Sum of prime factors: 271

Divisors of 137728

Number of divisors d(n): 20
Complete list of divisors:
1 2 4 8 16 32 64 128 256 269 512 538 1076 2152 4304 8608 17216 34432 68864 137728
Sum of all divisors σ(n): 276210
Sum of proper divisors (its aliquot sum) s(n): 138482
137728 is an abundant number, because the sum of its proper divisors (138482) is greater than itself. Its abundance is 754

Bases of 137728

Binary: 100001101000000000₂
Hexadecimal: 0x21A00
Base-36: 2Y9S

Squares and roots of 137728

137728 squared (137728²) is 18969001984
137728 cubed (137728³) is 2612562705252352
The square root of 137728 is 371.1172321517
The cube root of 137728 is 51.6425184875

Scales and comparisons

How big is 137728?

137,728 seconds is equal to 1 day, 14 hours, 15 minutes, 28 seconds.
To count from 1 to 137,728 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 137728 cubic inches would be around 4.3 feet tall.

Recreational maths with 137728

137728 backwards is 827731
The number of decimal digits it has is: 6
The sum of 137728's digits is 28
More coming soon!

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The information we have on file for 137728 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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