21326790

21,326,790 is an even composite number composed of five prime numbers multiplied together.

What does the number 21326790 look like?

This visualization shows the relationship between its 5 prime factors (large circles) and 32 divisors.

21326790 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of thirty-two divisors.

Prime factorization of 21326790:

2 × 3 × 5 × 137 × 5189

See below for interesting mathematical facts about the number 21326790 from the Numbermatics database.

Names of 21326790

Cardinal: 21326790 can be written as Twenty-one million, three hundred twenty-six thousand, seven hundred ninety.

Scientific notation

Scientific notation: 2.132679 × 10⁷

Factors of 21326790

Number of distinct prime factors ω(n): 5
Total number of prime factors Ω(n): 5
Sum of prime factors: 5336

Divisors of 21326790

Number of divisors d(n): 32
Complete list of divisors:
1 2 3 5 6 10 15 30 137 274 411 685 822 1370 2055 4110 5189 10378 15567 25945 31134 51890 77835 155670 710893 1421786 2132679 3554465 4265358 7108930 10663395 21326790
Sum of all divisors σ(n): 51567840
Sum of proper divisors (its aliquot sum) s(n): 30241050
21326790 is an abundant number, because the sum of its proper divisors (30241050) is greater than itself. Its abundance is 8914260

Bases of 21326790

Binary: 1010001010110101111000110₂
Hexadecimal: 0x1456BC6
Base-36: CP3UU

Squares and roots of 21326790

21326790 squared (21326790²) is 454831971704100
21326790 cubed (21326790³) is 9700105945819282839000
The square root of 21326790 is 4618.0937625821
The cube root of 21326790 is 277.3161512533

Scales and comparisons

How big is 21326790?

21,326,790 seconds is equal to 35 weeks, 1 day, 20 hours, 6 minutes, 30 seconds.
To count from 1 to 21,326,790 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 21326790 cubic inches would be around 23.1 feet tall.

Recreational maths with 21326790

21326790 backwards is 09762312
21326790 is a Harshad number.
The number of decimal digits it has is: 8
The sum of 21326790's digits is 30
More coming soon!

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The information we have on file for 21326790 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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