21331317

21,331,317 is an odd composite number composed of four prime numbers multiplied together.

What does the number 21331317 look like?

This visualization shows the relationship between its 4 prime factors (large circles) and 36 divisors.

21331317 is an odd composite number. It is composed of four distinct prime numbers multiplied together. It has a total of thirty-six divisors.

Prime factorization of 21331317:

3 × 7² × 31² × 151

(3 × 7 × 7 × 31 × 31 × 151)

See below for interesting mathematical facts about the number 21331317 from the Numbermatics database.

Names of 21331317

Cardinal: 21331317 can be written as Twenty-one million, three hundred thirty-one thousand, three hundred seventeen.

Scientific notation

Scientific notation: 2.1331317 × 10⁷

Factors of 21331317

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 6
Sum of prime factors: 192

Divisors of 21331317

Number of divisors d(n): 36
Complete list of divisors:
1 3 7 21 31 49 93 147 151 217 453 651 961 1057 1519 2883 3171 4557 4681 6727 7399 14043 20181 22197 32767 47089 98301 141267 145111 229369 435333 688107 1015777 3047331 7110439 21331317
Sum of all divisors σ(n): 34413408
Sum of proper divisors (its aliquot sum) s(n): 13082091
21331317 is a deficient number, because the sum of its proper divisors (13082091) is less than itself. Its deficiency is 8249226

Bases of 21331317

Binary: 1010001010111110101110101₂
Hexadecimal: 0x1457D75
Base-36: CP7CL

Squares and roots of 21331317

21331317 squared (21331317²) is 455025084954489
21331317 cubed (21331317³) is 9706284330116135432013
The square root of 21331317 is 4618.5838738731
The cube root of 21331317 is 277.3357716683

Scales and comparisons

How big is 21331317?

21,331,317 seconds is equal to 35 weeks, 1 day, 21 hours, 21 minutes, 57 seconds.
To count from 1 to 21,331,317 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 21331317 cubic inches would be around 23.1 feet tall.

Recreational maths with 21331317

21331317 backwards is 71313312
21331317 is a Harshad number.
The number of decimal digits it has is: 8
The sum of 21331317's digits is 21
More coming soon!

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The information we have on file for 21331317 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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