21375965

21,375,965 is an odd composite number composed of four prime numbers multiplied together.

What does the number 21375965 look like?

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

21375965 is an odd composite number. It is composed of four distinct prime numbers multiplied together. It has a total of twenty-four divisors.

Prime factorization of 21375965:

5 × 13² × 41 × 617

(5 × 13 × 13 × 41 × 617)

See below for interesting mathematical facts about the number 21375965 from the Numbermatics database.

Names of 21375965

Cardinal: 21375965 can be written as Twenty-one million, three hundred seventy-five thousand, nine hundred sixty-five.

Scientific notation

Scientific notation: 2.1375965 × 10⁷

Factors of 21375965

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 5
Sum of prime factors: 676

Divisors of 21375965

Number of divisors d(n): 24
Complete list of divisors:
1 5 13 41 65 169 205 533 617 845 2665 3085 6929 8021 25297 34645 40105 104273 126485 328861 521365 1644305 4275193 21375965
Sum of all divisors σ(n): 28499688
Sum of proper divisors (its aliquot sum) s(n): 7123723
21375965 is a deficient number, because the sum of its proper divisors (7123723) is less than itself. Its deficiency is 14252242

Bases of 21375965

Binary: 1010001100010101111011101₂
Hexadecimal: 0x1462BDD
Base-36: CQ5ST

Squares and roots of 21375965

21375965 squared (21375965²) is 456931879681225
21375965 cubed (21375965³) is 9767359867450076757125
The square root of 21375965 is 4623.4148634965
The cube root of 21375965 is 277.5291314817

Scales and comparisons

How big is 21375965?

21,375,965 seconds is equal to 35 weeks, 2 days, 9 hours, 46 minutes, 5 seconds.
To count from 1 to 21,375,965 would take you about two 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 21375965 cubic inches would be around 23.1 feet tall.

Recreational maths with 21375965

21375965 backwards is 56957312
The number of decimal digits it has is: 8
The sum of 21375965's digits is 38
More coming soon!

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The information we have on file for 21375965 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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