21313125

21,313,125 is an odd composite number composed of three prime numbers multiplied together.

What does the number 21313125 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 50 divisors.

21313125 is an odd composite number. It is composed of three distinct prime numbers multiplied together. It has a total of fifty divisors.

Prime factorization of 21313125:

3⁴ × 5⁴ × 421

(3 × 3 × 3 × 3 × 5 × 5 × 5 × 5 × 421)

See below for interesting mathematical facts about the number 21313125 from the Numbermatics database.

Names of 21313125

Cardinal: 21313125 can be written as Twenty-one million, three hundred thirteen thousand, one hundred twenty-five.

Scientific notation

Scientific notation: 2.1313125 × 10⁷

Factors of 21313125

Number of distinct prime factors ω(n): 3
Total number of prime factors Ω(n): 9
Sum of prime factors: 429

Divisors of 21313125

Number of divisors d(n): 50
Complete list of divisors:
1 3 5 9 15 25 27 45 75 81 125 135 225 375 405 421 625 675 1125 1263 1875 2025 2105 3375 3789 5625 6315 10125 10525 11367 16875 18945 31575 34101 50625 52625 56835 94725 157875 170505 263125 284175 473625 789375 852525 1420875 2368125 4262625 7104375 21313125
Sum of all divisors σ(n): 39879422
Sum of proper divisors (its aliquot sum) s(n): 18566297
21313125 is a deficient number, because the sum of its proper divisors (18566297) is less than itself. Its deficiency is 2746828

Bases of 21313125

Binary: 1010001010011011001100101₂
Hexadecimal: 0x1453665
Base-36: COTB9

Squares and roots of 21313125

21313125 squared (21313125²) is 454249297265625
21313125 cubed (21313125³) is 9681472053784423828125
The square root of 21313125 is 4616.6140189537
The cube root of 21313125 is 277.2569091007

Scales and comparisons

How big is 21313125?

21,313,125 seconds is equal to 35 weeks, 1 day, 16 hours, 18 minutes, 45 seconds.
To count from 1 to 21,313,125 would take you about six 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 21313125 cubic inches would be around 23.1 feet tall.

Recreational maths with 21313125

21313125 backwards is 52131312
The number of decimal digits it has is: 8
The sum of 21313125's digits is 18
More coming soon!

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The information we have on file for 21313125 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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