135840

135,840 is an even composite number composed of four prime numbers multiplied together.

What does the number 135840 look like?

This visualization shows the relationship between its 4 prime factors (large circles) and 48 divisors.

135840 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of forty-eight divisors.

Prime factorization of 135840:

2⁵ × 3 × 5 × 283

(2 × 2 × 2 × 2 × 2 × 3 × 5 × 283)

See below for interesting mathematical facts about the number 135840 from the Numbermatics database.

Names of 135840

Cardinal: 135840 can be written as One hundred thirty-five thousand, eight hundred forty.

Scientific notation

Scientific notation: 1.3584 × 10⁵

Factors of 135840

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 8
Sum of prime factors: 293

Divisors of 135840

Number of divisors d(n): 48
Complete list of divisors:
1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 80 96 120 160 240 283 480 566 849 1132 1415 1698 2264 2830 3396 4245 4528 5660 6792 8490 9056 11320 13584 16980 22640 27168 33960 45280 67920 135840
Sum of all divisors σ(n): 429408
Sum of proper divisors (its aliquot sum) s(n): 293568
135840 is an abundant number, because the sum of its proper divisors (293568) is greater than itself. Its abundance is 157728

Bases of 135840

Binary: 100001001010100000₂
Hexadecimal: 0x212A0
Base-36: 2WTC

Squares and roots of 135840

135840 squared (135840²) is 18452505600
135840 cubed (135840³) is 2506588360704000
The square root of 135840 is 368.5647839933
The cube root of 135840 is 51.4054569849

Scales and comparisons

How big is 135840?

135,840 seconds is equal to 1 day, 13 hours, 44 minutes.
To count from 1 to 135,840 would take you about thirteen 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 135840 cubic inches would be around 4.3 feet tall.

Recreational maths with 135840

135840 backwards is 048531
The number of decimal digits it has is: 6
The sum of 135840's digits is 21
More coming soon!

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The information we have on file for 135840 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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