21172224

21,172,224 is an even composite number composed of three prime numbers multiplied together.

What does the number 21172224 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 52 divisors.

21172224 is an even composite number. It is composed of three distinct prime numbers multiplied together. It has a total of fifty-two divisors.

Prime factorization of 21172224:

2¹² × 3 × 1723

(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 1723)

See below for interesting mathematical facts about the number 21172224 from the Numbermatics database.

Names of 21172224

Cardinal: 21172224 can be written as Twenty-one million, one hundred seventy-two thousand, two hundred twenty-four.

Scientific notation

Scientific notation: 2.1172224 × 10⁷

Factors of 21172224

Number of distinct prime factors ω(n): 3
Total number of prime factors Ω(n): 14
Sum of prime factors: 1728

Divisors of 21172224

Number of divisors d(n): 52
Complete list of divisors:
1 2 3 4 6 8 12 16 24 32 48 64 96 128 192 256 384 512 768 1024 1536 1723 2048 3072 3446 4096 5169 6144 6892 10338 12288 13784 20676 27568 41352 55136 82704 110272 165408 220544 330816 441088 661632 882176 1323264 1764352 2646528 3528704 5293056 7057408 10586112 21172224
Sum of all divisors σ(n): 56485136
Sum of proper divisors (its aliquot sum) s(n): 35312912
21172224 is an abundant number, because the sum of its proper divisors (35312912) is greater than itself. Its abundance is 14140688

Bases of 21172224

Binary: 1010000110001000000000000₂
Hexadecimal: 0x1431000
Base-36: CLSLC

Squares and roots of 21172224

21172224 squared (21172224²) is 448263069106176
21172224 cubed (21172224³) is 9490726110043438055424
The square root of 21172224 is 4601.3285038127
The cube root of 21172224 is 276.6445762269

Scales and comparisons

How big is 21172224?

21,172,224 seconds is equal to 35 weeks, 1 hour, 10 minutes, 24 seconds.
To count from 1 to 21,172,224 would take you about three 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 21172224 cubic inches would be around 23.1 feet tall.

Recreational maths with 21172224

21172224 backwards is 42227112
The number of decimal digits it has is: 8
The sum of 21172224's digits is 21
More coming soon!

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The information we have on file for 21172224 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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