21242925

21,242,925 is an odd composite number composed of four prime numbers multiplied together.

What does the number 21242925 look like?

This visualization shows the relationship between its 4 prime factors (large circles) and 48 divisors.

21242925 is an odd composite number. It is composed of four distinct prime numbers multiplied together. It has a total of forty-eight divisors.

Prime factorization of 21242925:

3³ × 5² × 11 × 2861

(3 × 3 × 3 × 5 × 5 × 11 × 2861)

See below for interesting mathematical facts about the number 21242925 from the Numbermatics database.

Names of 21242925

Cardinal: 21242925 can be written as Twenty-one million, two hundred forty-two thousand, nine hundred twenty-five.

Scientific notation

Scientific notation: 2.1242925 × 10⁷

Factors of 21242925

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 7
Sum of prime factors: 2880

Divisors of 21242925

Number of divisors d(n): 48
Complete list of divisors:
1 3 5 9 11 15 25 27 33 45 55 75 99 135 165 225 275 297 495 675 825 1485 2475 2861 7425 8583 14305 25749 31471 42915 71525 77247 94413 128745 157355 214575 283239 386235 472065 643725 786775 849717 1416195 1931175 2360325 4248585 7080975 21242925
Sum of all divisors σ(n): 42586560
Sum of proper divisors (its aliquot sum) s(n): 21343635
21242925 is an abundant number, because the sum of its proper divisors (21343635) is greater than itself. Its abundance is 100710

Bases of 21242925

Binary: 1010001000010010000101101₂
Hexadecimal: 0x144242D
Base-36: CNB59

Squares and roots of 21242925

21242925 squared (21242925²) is 451261862555625
21242925 cubed (21242925³) is 9586121901629450203125
The square root of 21242925 is 4609.0047732673
The cube root of 21242925 is 276.9521697533

Scales and comparisons

How big is 21242925?

21,242,925 seconds is equal to 35 weeks, 20 hours, 48 minutes, 45 seconds.
To count from 1 to 21,242,925 would take you about four 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 21242925 cubic inches would be around 23.1 feet tall.

Recreational maths with 21242925

21242925 backwards is 52924212
21242925 is a Harshad number.
The number of decimal digits it has is: 8
The sum of 21242925's digits is 27
More coming soon!

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The information we have on file for 21242925 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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