21172272

21,172,272 is an even composite number composed of four prime numbers multiplied together.

What does the number 21172272 look like?

This visualization shows the relationship between its 4 prime factors (large circles) and 40 divisors.

21172272 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of forty divisors.

Prime factorization of 21172272:

2⁴ × 3 × 11 × 40099

(2 × 2 × 2 × 2 × 3 × 11 × 40099)

See below for interesting mathematical facts about the number 21172272 from the Numbermatics database.

Names of 21172272

Cardinal: 21172272 can be written as Twenty-one million, one hundred seventy-two thousand, two hundred seventy-two.

Scientific notation

Scientific notation: 2.1172272 × 10⁷

Factors of 21172272

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 7
Sum of prime factors: 40115

Divisors of 21172272

Number of divisors d(n): 40
Complete list of divisors:
1 2 3 4 6 8 11 12 16 22 24 33 44 48 66 88 132 176 264 528 40099 80198 120297 160396 240594 320792 441089 481188 641584 882178 962376 1323267 1764356 1924752 2646534 3528712 5293068 7057424 10586136 21172272
Sum of all divisors σ(n): 59668800
Sum of proper divisors (its aliquot sum) s(n): 38496528
21172272 is an abundant number, because the sum of its proper divisors (38496528) is greater than itself. Its abundance is 17324256

Bases of 21172272

Binary: 1010000110001000000110000₂
Hexadecimal: 0x1431030
Base-36: CLSMO

Squares and roots of 21172272

21172272 squared (21172272²) is 448265101641984
21172272 cubed (21172272³) is 9490790660071731867648
The square root of 21172272 is 4601.3337196949
The cube root of 21172272 is 276.6447852889

Scales and comparisons

How big is 21172272?

21,172,272 seconds is equal to 35 weeks, 1 hour, 11 minutes, 12 seconds.
To count from 1 to 21,172,272 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 21172272 cubic inches would be around 23.1 feet tall.

Recreational maths with 21172272

21172272 backwards is 27227112
21172272 is a Harshad number.
The number of decimal digits it has is: 8
The sum of 21172272's digits is 24
More coming soon!

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The information we have on file for 21172272 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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