13521

13,521 is an odd composite number composed of two prime numbers multiplied together.

What does the number 13521 look like?

This visualization shows the relationship between its 2 prime factors (large circles) and 4 divisors.

13521 is an odd composite number. It is composed of two distinct prime numbers multiplied together. It has a total of four divisors.

Prime factorization of 13521:

3 × 4507

See below for interesting mathematical facts about the number 13521 from the Numbermatics database.

Names of 13521

Cardinal: 13521 can be written as Thirteen thousand, five hundred twenty-one.

Scientific notation

Scientific notation: 1.3521 × 10⁴

Factors of 13521

Number of distinct prime factors ω(n): 2
Total number of prime factors Ω(n): 2
Sum of prime factors: 4510

Divisors of 13521

Number of divisors d(n): 4
Complete list of divisors:
1 3 4507 13521
Sum of all divisors σ(n): 18032
Sum of proper divisors (its aliquot sum) s(n): 4511
13521 is a deficient number, because the sum of its proper divisors (4511) is less than itself. Its deficiency is 9010

Bases of 13521

Binary: 11010011010001₂
Hexadecimal: 0x34D1
Base-36: AFL

Squares and roots of 13521

13521 squared (13521²) is 182817441
13521 cubed (13521³) is 2471874619761
The square root of 13521 is 116.2798348813
The cube root of 13521 is 23.8233558359

Scales and comparisons

How big is 13521?

13,521 seconds is equal to 3 hours, 45 minutes, 21 seconds.
To count from 1 to 13,521 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 13521 cubic inches would be around 2 feet tall.

Recreational maths with 13521

13521 backwards is 12531
The number of decimal digits it has is: 5
The sum of 13521's digits is 12
More coming soon!

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The information we have on file for 13521 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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