21242382

21,242,382 is an even composite number composed of four prime numbers multiplied together.

What does the number 21242382 look like?

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

21242382 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 21242382:

2 × 3 × 7² × 72253

(2 × 3 × 7 × 7 × 72253)

See below for interesting mathematical facts about the number 21242382 from the Numbermatics database.

Names of 21242382

Cardinal: 21242382 can be written as Twenty-one million, two hundred forty-two thousand, three hundred eighty-two.

Scientific notation

Scientific notation: 2.1242382 × 10⁷

Factors of 21242382

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 5
Sum of prime factors: 72265

Divisors of 21242382

Number of divisors d(n): 24
Complete list of divisors:
1 2 3 6 7 14 21 42 49 98 147 294 72253 144506 216759 433518 505771 1011542 1517313 3034626 3540397 7080794 10621191 21242382
Sum of all divisors σ(n): 49421736
Sum of proper divisors (its aliquot sum) s(n): 28179354
21242382 is an abundant number, because the sum of its proper divisors (28179354) is greater than itself. Its abundance is 6936972

Bases of 21242382

Binary: 1010001000010001000001110₂
Hexadecimal: 0x144220E
Base-36: CNAQ6

Squares and roots of 21242382

21242382 squared (21242382²) is 451238793033924
21242382 cubed (21242382³) is 9585386814845552566968
The square root of 21242382 is 4608.9458664645
The cube root of 21242382 is 276.9498099667

Scales and comparisons

How big is 21242382?

21,242,382 seconds is equal to 35 weeks, 20 hours, 39 minutes, 42 seconds.
To count from 1 to 21,242,382 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 21242382 cubic inches would be around 23.1 feet tall.

Recreational maths with 21242382

21242382 backwards is 28324212
The number of decimal digits it has is: 8
The sum of 21242382's digits is 24
More coming soon!

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The information we have on file for 21242382 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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