21189087

21,189,087 is an odd composite number composed of three prime numbers multiplied together.

What does the number 21189087 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 16 divisors.

21189087 is an odd composite number. It is composed of three distinct prime numbers multiplied together. It has a total of sixteen divisors.

Prime factorization of 21189087:

3³ × 41 × 19141

(3 × 3 × 3 × 41 × 19141)

See below for interesting mathematical facts about the number 21189087 from the Numbermatics database.

Names of 21189087

Cardinal: 21189087 can be written as Twenty-one million, one hundred eighty-nine thousand and eighty-seven.

Scientific notation

Scientific notation: 2.1189087 × 10⁷

Factors of 21189087

Number of distinct prime factors ω(n): 3
Total number of prime factors Ω(n): 5
Sum of prime factors: 19185

Divisors of 21189087

Number of divisors d(n): 16
Complete list of divisors:
1 3 9 27 41 123 369 1107 19141 57423 172269 516807 784781 2354343 7063029 21189087
Sum of all divisors σ(n): 32158560
Sum of proper divisors (its aliquot sum) s(n): 10969473
21189087 is a deficient number, because the sum of its proper divisors (10969473) is less than itself. Its deficiency is 10219614

Bases of 21189087

Binary: 1010000110101000111011111₂
Hexadecimal: 0x14351DF
Base-36: CM5LR

Squares and roots of 21189087

21189087 squared (21189087²) is 448977407893569
21189087 cubed (21189087³) is 9513421356891320281503
The square root of 21189087 is 4603.1605446691
The cube root of 21189087 is 276.7180029253

Scales and comparisons

How big is 21189087?

21,189,087 seconds is equal to 35 weeks, 5 hours, 51 minutes, 27 seconds.
To count from 1 to 21,189,087 would take you about three days!

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 21189087 cubic inches would be around 23.1 feet tall.

Recreational maths with 21189087

21189087 backwards is 78098112
The number of decimal digits it has is: 8
The sum of 21189087's digits is 36
More coming soon!

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The information we have on file for 21189087 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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