21072231

21,072,231 is an odd composite number composed of three prime numbers multiplied together.

What does the number 21072231 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 24 divisors.

21072231 is an odd composite number. It is composed of three distinct prime numbers multiplied together. It has a total of twenty-four divisors.

Prime factorization of 21072231:

3⁵ × 17 × 5101

(3 × 3 × 3 × 3 × 3 × 17 × 5101)

See below for interesting mathematical facts about the number 21072231 from the Numbermatics database.

Names of 21072231

Cardinal: 21072231 can be written as Twenty-one million, seventy-two thousand, two hundred thirty-one.

Scientific notation

Scientific notation: 2.1072231 × 10⁷

Factors of 21072231

Number of distinct prime factors ω(n): 3
Total number of prime factors Ω(n): 7
Sum of prime factors: 5121

Divisors of 21072231

Number of divisors d(n): 24
Complete list of divisors:
1 3 9 17 27 51 81 153 243 459 1377 4131 5101 15303 45909 86717 137727 260151 413181 780453 1239543 2341359 7024077 21072231
Sum of all divisors σ(n): 33428304
Sum of proper divisors (its aliquot sum) s(n): 12356073
21072231 is a deficient number, because the sum of its proper divisors (12356073) is less than itself. Its deficiency is 8716158

Bases of 21072231

Binary: 1010000011000100101100111₂
Hexadecimal: 0x1418967
Base-36: CJNFR

Squares and roots of 21072231

21072231 squared (21072231²) is 444038919317361
21072231 cubed (21072231³) is 9356890680845793302391
The square root of 21072231 is 4590.4499779433
The cube root of 21072231 is 276.2083728899

Scales and comparisons

How big is 21072231?

21,072,231 seconds is equal to 34 weeks, 5 days, 21 hours, 23 minutes, 51 seconds.
To count from 1 to 21,072,231 would take you about twenty hours!

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 21072231 cubic inches would be around 23 feet tall.

Recreational maths with 21072231

21072231 backwards is 13227012
The number of decimal digits it has is: 8
The sum of 21072231's digits is 18
More coming soon!

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The information we have on file for 21072231 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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