13520

13,520 is an even composite number composed of three prime numbers multiplied together.

What does the number 13520 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 30 divisors.

13520 is an even composite number. It is composed of three distinct prime numbers multiplied together. It has a total of thirty divisors.

Prime factorization of 13520:

2⁴ × 5 × 13²

(2 × 2 × 2 × 2 × 5 × 13 × 13)

See below for interesting mathematical facts about the number 13520 from the Numbermatics database.

Names of 13520

Cardinal: 13520 can be written as Thirteen thousand, five hundred twenty.

Scientific notation

Scientific notation: 1.352 × 10⁴

Factors of 13520

Number of distinct prime factors ω(n): 3
Total number of prime factors Ω(n): 7
Sum of prime factors: 20

Divisors of 13520

Number of divisors d(n): 30
Complete list of divisors:
1 2 4 5 8 10 13 16 20 26 40 52 65 80 104 130 169 208 260 338 520 676 845 1040 1352 1690 2704 3380 6760 13520
Sum of all divisors σ(n): 34038
Sum of proper divisors (its aliquot sum) s(n): 20518
13520 is an abundant number, because the sum of its proper divisors (20518) is greater than itself. Its abundance is 6998

Bases of 13520

Binary: 11010011010000₂
Hexadecimal: 0x34D0
Base-36: AFK

Squares and roots of 13520

13520 squared (13520²) is 182790400
13520 cubed (13520³) is 2471326208000
The square root of 13520 is 116.2755348299
The cube root of 13520 is 23.8227685041

Scales and comparisons

How big is 13520?

13,520 seconds is equal to 3 hours, 45 minutes, 20 seconds.
To count from 1 to 13,520 would take you about three 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 13520 cubic inches would be around 2 feet tall.

Recreational maths with 13520

13520 backwards is 02531
The number of decimal digits it has is: 5
The sum of 13520's digits is 11
More coming soon!

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The information we have on file for 13520 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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