21325210

21,325,210 is an even composite number composed of four prime numbers multiplied together.

What does the number 21325210 look like?

This visualization shows the relationship between its 4 prime factors (large circles) and 16 divisors.

21325210 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of sixteen divisors.

Prime factorization of 21325210:

2 × 5 × 31 × 68791

See below for interesting mathematical facts about the number 21325210 from the Numbermatics database.

Names of 21325210

Cardinal: 21325210 can be written as Twenty-one million, three hundred twenty-five thousand, two hundred ten.

Scientific notation

Scientific notation: 2.132521 × 10⁷

Factors of 21325210

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 4
Sum of prime factors: 68829

Divisors of 21325210

Number of divisors d(n): 16
Complete list of divisors:
1 2 5 10 31 62 155 310 68791 137582 343955 687910 2132521 4265042 10662605 21325210
Sum of all divisors σ(n): 39624192
Sum of proper divisors (its aliquot sum) s(n): 18298982
21325210 is a deficient number, because the sum of its proper divisors (18298982) is less than itself. Its deficiency is 3026228

Bases of 21325210

Binary: 1010001010110010110011010₂
Hexadecimal: 0x145659A
Base-36: CP2MY

Squares and roots of 21325210

21325210 squared (21325210²) is 454764581544100
21325210 cubed (21325210³) is 9697950201990056761000
The square root of 21325210 is 4617.9226931597
The cube root of 21325210 is 277.3093027413

Scales and comparisons

How big is 21325210?

21,325,210 seconds is equal to 35 weeks, 1 day, 19 hours, 40 minutes, 10 seconds.
To count from 1 to 21,325,210 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 21325210 cubic inches would be around 23.1 feet tall.

Recreational maths with 21325210

21325210 backwards is 01252312
The number of decimal digits it has is: 8
The sum of 21325210's digits is 16
More coming soon!

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The information we have on file for 21325210 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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