21087950

21,087,950 is an even composite number composed of four prime numbers multiplied together.

What does the number 21087950 look like?

This visualization shows the relationship between its 4 prime factors (large circles) and 24 divisors.

21087950 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of twenty-four divisors.

Prime factorization of 21087950:

2 × 5² × 13 × 32443

(2 × 5 × 5 × 13 × 32443)

See below for interesting mathematical facts about the number 21087950 from the Numbermatics database.

Names of 21087950

Cardinal: 21087950 can be written as Twenty-one million, eighty-seven thousand, nine hundred fifty.

Scientific notation

Scientific notation: 2.108795 × 10⁷

Factors of 21087950

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 5
Sum of prime factors: 32463

Divisors of 21087950

Number of divisors d(n): 24
Complete list of divisors:
1 2 5 10 13 25 26 50 65 130 325 650 32443 64886 162215 324430 421759 811075 843518 1622150 2108795 4217590 10543975 21087950
Sum of all divisors σ(n): 42242088
Sum of proper divisors (its aliquot sum) s(n): 21154138
21087950 is an abundant number, because the sum of its proper divisors (21154138) is greater than itself. Its abundance is 66188

Bases of 21087950

Binary: 1010000011100011011001110₂
Hexadecimal: 0x141C6CE
Base-36: CJZKE

Squares and roots of 21087950

21087950 squared (21087950²) is 444701635202500
21087950 cubed (21087950³) is 9377845848068559875000
The square root of 21087950 is 4592.1618002855
The cube root of 21087950 is 276.2770357711

Scales and comparisons

How big is 21087950?

21,087,950 seconds is equal to 34 weeks, 6 days, 1 hour, 45 minutes, 50 seconds.
To count from 1 to 21,087,950 would take you about two 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 21087950 cubic inches would be around 23 feet tall.

Recreational maths with 21087950

21087950 backwards is 05978012
The number of decimal digits it has is: 8
The sum of 21087950's digits is 32
More coming soon!

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The information we have on file for 21087950 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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