13181

13,181 is an odd composite number composed of two prime numbers multiplied together.

What does the number 13181 look like?

This visualization shows the relationship between its 2 prime factors (large circles) and 6 divisors.

13181 is an odd composite number. It is composed of two distinct prime numbers multiplied together. It has a total of six divisors.

Prime factorization of 13181:

7² × 269

(7 × 7 × 269)

See below for interesting mathematical facts about the number 13181 from the Numbermatics database.

Names of 13181

Cardinal: 13181 can be written as Thirteen thousand, one hundred eighty-one.

Scientific notation

Scientific notation: 1.3181 × 10⁴

Factors of 13181

Number of distinct prime factors ω(n): 2
Total number of prime factors Ω(n): 3
Sum of prime factors: 276

Divisors of 13181

Number of divisors d(n): 6
Complete list of divisors:
1 7 49 269 1883 13181
Sum of all divisors σ(n): 15390
Sum of proper divisors (its aliquot sum) s(n): 2209
13181 is a deficient number, because the sum of its proper divisors (2209) is less than itself. Its deficiency is 10972

Bases of 13181

Binary: 11001101111101₂
Hexadecimal: 0x337D
Base-36: A65

Squares and roots of 13181

13181 squared (13181²) is 173738761
13181 cubed (13181³) is 2290050608741
The square root of 13181 is 114.8085362679
The cube root of 13181 is 23.6219703477

Scales and comparisons

How big is 13181?

13,181 seconds is equal to 3 hours, 39 minutes, 41 seconds.
To count from 1 to 13,181 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 13181 cubic inches would be around 2 feet tall.

Recreational maths with 13181

13181 backwards is 18131
The number of decimal digits it has is: 5
The sum of 13181's digits is 14
More coming soon!

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The information we have on file for 13181 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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