21393375

21,393,375 is an odd composite number composed of four prime numbers multiplied together.

What does the number 21393375 look like?

This visualization shows the relationship between its 4 prime factors (large circles) and 32 divisors.

21393375 is an odd composite number. It is composed of four distinct prime numbers multiplied together. It has a total of thirty-two divisors.

Prime factorization of 21393375:

3 × 5³ × 89 × 641

(3 × 5 × 5 × 5 × 89 × 641)

See below for interesting mathematical facts about the number 21393375 from the Numbermatics database.

Names of 21393375

Cardinal: 21393375 can be written as Twenty-one million, three hundred ninety-three thousand, three hundred seventy-five.

Scientific notation

Scientific notation: 2.1393375 × 10⁷

Factors of 21393375

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 6
Sum of prime factors: 738

Divisors of 21393375

Number of divisors d(n): 32
Complete list of divisors:
1 3 5 15 25 75 89 125 267 375 445 641 1335 1923 2225 3205 6675 9615 11125 16025 33375 48075 57049 80125 171147 240375 285245 855735 1426225 4278675 7131125 21393375
Sum of all divisors σ(n): 36054720
Sum of proper divisors (its aliquot sum) s(n): 14661345
21393375 is a deficient number, because the sum of its proper divisors (14661345) is less than itself. Its deficiency is 6732030

Bases of 21393375

Binary: 1010001100110111111011111₂
Hexadecimal: 0x1466FDF
Base-36: CQJ8F

Squares and roots of 21393375

21393375 squared (21393375²) is 457676493890625
21393375 cubed (21393375³) is 9791244862487349609375
The square root of 21393375 is 4625.2972877427
The cube root of 21393375 is 277.6044570635

Scales and comparisons

How big is 21393375?

21,393,375 seconds is equal to 35 weeks, 2 days, 14 hours, 36 minutes, 15 seconds.
To count from 1 to 21,393,375 would take you about nine 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 21393375 cubic inches would be around 23.1 feet tall.

Recreational maths with 21393375

21393375 backwards is 57339312
The number of decimal digits it has is: 8
The sum of 21393375's digits is 33
More coming soon!

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The information we have on file for 21393375 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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