21328284

21,328,284 is an even composite number composed of four prime numbers multiplied together.

What does the number 21328284 look like?

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

21328284 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 21328284:

2² × 3 × 61 × 29137

(2 × 2 × 3 × 61 × 29137)

See below for interesting mathematical facts about the number 21328284 from the Numbermatics database.

Names of 21328284

Cardinal: 21328284 can be written as Twenty-one million, three hundred twenty-eight thousand, two hundred eighty-four.

Scientific notation

Scientific notation: 2.1328284 × 10⁷

Factors of 21328284

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 5
Sum of prime factors: 29203

Divisors of 21328284

Number of divisors d(n): 24
Complete list of divisors:
1 2 3 4 6 12 61 122 183 244 366 732 29137 58274 87411 116548 174822 349644 1777357 3554714 5332071 7109428 10664142 21328284
Sum of all divisors σ(n): 50583568
Sum of proper divisors (its aliquot sum) s(n): 29255284
21328284 is an abundant number, because the sum of its proper divisors (29255284) is greater than itself. Its abundance is 7927000

Bases of 21328284

Binary: 1010001010111000110011100₂
Hexadecimal: 0x145719C
Base-36: CP50C

Squares and roots of 21328284

21328284 squared (21328284²) is 454895698384656
21328284 cubed (21328284³) is 9702144645526284410304
The square root of 21328284 is 4618.2555148021
The cube root of 21328284 is 277.3226266877

Scales and comparisons

How big is 21328284?

21,328,284 seconds is equal to 35 weeks, 1 day, 20 hours, 31 minutes, 24 seconds.
To count from 1 to 21,328,284 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 21328284 cubic inches would be around 23.1 feet tall.

Recreational maths with 21328284

21328284 backwards is 48282312
The number of decimal digits it has is: 8
The sum of 21328284's digits is 30
More coming soon!

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The information we have on file for 21328284 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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