21326380

21,326,380 is an even composite number composed of three prime numbers multiplied together.

What does the number 21326380 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 12 divisors.

21326380 is an even composite number. It is composed of three distinct prime numbers multiplied together. It has a total of twelve divisors.

Prime factorization of 21326380:

2² × 5 × 1066319

(2 × 2 × 5 × 1066319)

See below for interesting mathematical facts about the number 21326380 from the Numbermatics database.

Names of 21326380

Cardinal: 21326380 can be written as Twenty-one million, three hundred twenty-six thousand, three hundred eighty.

Scientific notation

Scientific notation: 2.132638 × 10⁷

Factors of 21326380

Number of distinct prime factors ω(n): 3
Total number of prime factors Ω(n): 4
Sum of prime factors: 1066326

Divisors of 21326380

Number of divisors d(n): 12
Complete list of divisors:
1 2 4 5 10 20 1066319 2132638 4265276 5331595 10663190 21326380
Sum of all divisors σ(n): 44785440
Sum of proper divisors (its aliquot sum) s(n): 23459060
21326380 is an abundant number, because the sum of its proper divisors (23459060) is greater than itself. Its abundance is 2132680

Bases of 21326380

Binary: 1010001010110101000101100₂
Hexadecimal: 0x1456A2C
Base-36: CP3JG

Squares and roots of 21326380

21326380 squared (21326380²) is 454814483904400
21326380 cubed (21326380³) is 9699546513249118072000
The square root of 21326380 is 4618.0493717587
The cube root of 21326380 is 277.3143741405

Scales and comparisons

How big is 21326380?

21,326,380 seconds is equal to 35 weeks, 1 day, 19 hours, 59 minutes, 40 seconds.
To count from 1 to 21,326,380 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 21326380 cubic inches would be around 23.1 feet tall.

Recreational maths with 21326380

21326380 backwards is 08362312
The number of decimal digits it has is: 8
The sum of 21326380's digits is 25
More coming soon!

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The information we have on file for 21326380 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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