21356964

21,356,964 is an even composite number composed of four prime numbers multiplied together.

What does the number 21356964 look like?

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

21356964 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of thirty-six divisors.

Prime factorization of 21356964:

2² × 3² × 17 × 34897

(2 × 2 × 3 × 3 × 17 × 34897)

See below for interesting mathematical facts about the number 21356964 from the Numbermatics database.

Names of 21356964

Cardinal: 21356964 can be written as Twenty-one million, three hundred fifty-six thousand, nine hundred sixty-four.

Scientific notation

Scientific notation: 2.1356964 × 10⁷

Factors of 21356964

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 6
Sum of prime factors: 34919

Divisors of 21356964

Number of divisors d(n): 36
Complete list of divisors:
1 2 3 4 6 9 12 17 18 34 36 51 68 102 153 204 306 612 34897 69794 104691 139588 209382 314073 418764 593249 628146 1186498 1256292 1779747 2372996 3559494 5339241 7118988 10678482 21356964
Sum of all divisors σ(n): 57162924
Sum of proper divisors (its aliquot sum) s(n): 35805960
21356964 is an abundant number, because the sum of its proper divisors (35805960) is greater than itself. Its abundance is 14448996

Bases of 21356964

Binary: 1010001011110000110100100₂
Hexadecimal: 0x145E1A4
Base-36: CPR50

Squares and roots of 21356964

21356964 squared (21356964²) is 456119911297296
21356964 cubed (21356964³) is 9741336525259543969344
The square root of 21356964 is 4621.3595402219
The cube root of 21356964 is 277.4468756353

Scales and comparisons

How big is 21356964?

21,356,964 seconds is equal to 35 weeks, 2 days, 4 hours, 29 minutes, 24 seconds.
To count from 1 to 21,356,964 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 21356964 cubic inches would be around 23.1 feet tall.

Recreational maths with 21356964

21356964 backwards is 46965312
21356964 is a Harshad number.
The number of decimal digits it has is: 8
The sum of 21356964's digits is 36
More coming soon!

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The information we have on file for 21356964 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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