21366320

21,366,320 is an even composite number composed of four prime numbers multiplied together.

What does the number 21366320 look like?

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

21366320 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 21366320:

2⁴ × 5 × 103 × 2593

(2 × 2 × 2 × 2 × 5 × 103 × 2593)

See below for interesting mathematical facts about the number 21366320 from the Numbermatics database.

Names of 21366320

Cardinal: 21366320 can be written as Twenty-one million, three hundred sixty-six thousand, three hundred twenty.

Scientific notation

Scientific notation: 2.136632 × 10⁷

Factors of 21366320

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 7
Sum of prime factors: 2703

Divisors of 21366320

Number of divisors d(n): 40
Complete list of divisors:
1 2 4 5 8 10 16 20 40 80 103 206 412 515 824 1030 1648 2060 2593 4120 5186 8240 10372 12965 20744 25930 41488 51860 103720 207440 267079 534158 1068316 1335395 2136632 2670790 4273264 5341580 10683160 21366320
Sum of all divisors σ(n): 50178336
Sum of proper divisors (its aliquot sum) s(n): 28812016
21366320 is an abundant number, because the sum of its proper divisors (28812016) is greater than itself. Its abundance is 7445696

Bases of 21366320

Binary: 1010001100000011000110000₂
Hexadecimal: 0x1460630
Base-36: CPYCW

Squares and roots of 21366320

21366320 squared (21366320²) is 456519630342400
21366320 cubed (21366320³) is 9754144508177427968000
The square root of 21366320 is 4622.3716856177
The cube root of 21366320 is 277.4873841085

Scales and comparisons

How big is 21366320?

21,366,320 seconds is equal to 35 weeks, 2 days, 7 hours, 5 minutes, 20 seconds.
To count from 1 to 21,366,320 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 21366320 cubic inches would be around 23.1 feet tall.

Recreational maths with 21366320

21366320 backwards is 02366312
The number of decimal digits it has is: 8
The sum of 21366320's digits is 23
More coming soon!

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The information we have on file for 21366320 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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