11191

11,191 is an odd composite number composed of two prime numbers multiplied together.

What does the number 11191 look like?

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

11191 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 11191:

19² × 31

(19 × 19 × 31)

See below for interesting mathematical facts about the number 11191 from the Numbermatics database.

Names of 11191

Cardinal: 11191 can be written as Eleven thousand, one hundred ninety-one.

Scientific notation

Scientific notation: 1.1191 × 10⁴

Factors of 11191

Number of distinct prime factors ω(n): 2
Total number of prime factors Ω(n): 3
Sum of prime factors: 50

Divisors of 11191

Number of divisors d(n): 6
Complete list of divisors:
1 19 31 361 589 11191
Sum of all divisors σ(n): 12192
Sum of proper divisors (its aliquot sum) s(n): 1001
11191 is a deficient number, because the sum of its proper divisors (1001) is less than itself. Its deficiency is 10190

Bases of 11191

Binary: 10101110110111₂
Hexadecimal: 0x2BB7
Base-36: 8MV

Squares and roots of 11191

11191 squared (11191²) is 125238481
11191 cubed (11191³) is 1401543840871
The square root of 11191 is 105.7875228937
The cube root of 11191 is 22.3677842591

Scales and comparisons

How big is 11191?

11,191 seconds is equal to 3 hours, 6 minutes, 31 seconds.
To count from 1 to 11,191 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 11191 cubic inches would be around 1.9 feet tall.

Recreational maths with 11191

11191 backwards is 19111
The number of decimal digits it has is: 5
The sum of 11191's digits is 13
More coming soon!

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The information we have on file for 11191 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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