13565

13,565 is an odd composite number composed of two prime numbers multiplied together.

What does the number 13565 look like?

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

13565 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 13565:

5 × 2713

See below for interesting mathematical facts about the number 13565 from the Numbermatics database.

Names of 13565

Cardinal: 13565 can be written as Thirteen thousand, five hundred sixty-five.

Scientific notation

Scientific notation: 1.3565 × 10⁴

Factors of 13565

Number of distinct prime factors ω(n): 2
Total number of prime factors Ω(n): 2
Sum of prime factors: 2718

Divisors of 13565

Number of divisors d(n): 4
Complete list of divisors:
1 5 2713 13565
Sum of all divisors σ(n): 16284
Sum of proper divisors (its aliquot sum) s(n): 2719
13565 is a deficient number, because the sum of its proper divisors (2719) is less than itself. Its deficiency is 10846

Bases of 13565

Binary: 11010011111101₂
Hexadecimal: 0x34FD
Base-36: AGT

Squares and roots of 13565

13565 squared (13565²) is 184009225
13565 cubed (13565³) is 2496085137125
The square root of 13565 is 116.4688799637
The cube root of 13565 is 23.8491698209

Scales and comparisons

How big is 13565?

13,565 seconds is equal to 3 hours, 46 minutes, 5 seconds.
To count from 1 to 13,565 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 13565 cubic inches would be around 2 feet tall.

Recreational maths with 13565

13565 backwards is 56531
The number of decimal digits it has is: 5
The sum of 13565's digits is 20
More coming soon!

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The information we have on file for 13565 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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