21255200

21,255,200 is an even composite number composed of three prime numbers multiplied together.

What does the number 21255200 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 54 divisors.

21255200 is an even composite number. It is composed of three distinct prime numbers multiplied together. It has a total of fifty-four divisors.

Prime factorization of 21255200:

2⁵ × 5² × 163²

(2 × 2 × 2 × 2 × 2 × 5 × 5 × 163 × 163)

See below for interesting mathematical facts about the number 21255200 from the Numbermatics database.

Names of 21255200

Cardinal: 21255200 can be written as Twenty-one million, two hundred fifty-five thousand, two hundred.

Scientific notation

Scientific notation: 2.12552 × 10⁷

Factors of 21255200

Number of distinct prime factors ω(n): 3
Total number of prime factors Ω(n): 9
Sum of prime factors: 170

Divisors of 21255200

Number of divisors d(n): 54
Complete list of divisors:
1 2 4 5 8 10 16 20 25 32 40 50 80 100 160 163 200 326 400 652 800 815 1304 1630 2608 3260 4075 5216 6520 8150 13040 16300 26080 26569 32600 53138 65200 106276 130400 132845 212552 265690 425104 531380 664225 850208 1062760 1328450 2125520 2656900 4251040 5313800 10627600 21255200
Sum of all divisors σ(n): 52209549
Sum of proper divisors (its aliquot sum) s(n): 30954349
21255200 is an abundant number, because the sum of its proper divisors (30954349) is greater than itself. Its abundance is 9699149

Bases of 21255200

Binary: 1010001000101010000100000₂
Hexadecimal: 0x1445420
Base-36: CNKM8

Squares and roots of 21255200

21255200 squared (21255200²) is 451783527040000
21255200 cubed (21255200³) is 9602749223940608000000
The square root of 21255200 is 4610.3362133363
The cube root of 21255200 is 277.0055041111

Scales and comparisons

How big is 21255200?

21,255,200 seconds is equal to 35 weeks, 1 day, 13 minutes, 20 seconds.
To count from 1 to 21,255,200 would take you about five 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 21255200 cubic inches would be around 23.1 feet tall.

Recreational maths with 21255200

21255200 backwards is 00255212
The number of decimal digits it has is: 8
The sum of 21255200's digits is 17
More coming soon!

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The information we have on file for 21255200 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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