21010221

21,010,221 is an odd composite number composed of three prime numbers multiplied together.

What does the number 21010221 look like?

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

21010221 is an odd composite number. It is composed of three distinct prime numbers multiplied together. It has a total of twelve divisors.

Prime factorization of 21010221:

3² × 199 × 11731

(3 × 3 × 199 × 11731)

See below for interesting mathematical facts about the number 21010221 from the Numbermatics database.

Names of 21010221

Cardinal: 21010221 can be written as Twenty-one million, ten thousand, two hundred twenty-one.

Scientific notation

Scientific notation: 2.1010221 × 10⁷

Factors of 21010221

Number of distinct prime factors ω(n): 3
Total number of prime factors Ω(n): 4
Sum of prime factors: 11933

Divisors of 21010221

Number of divisors d(n): 12
Complete list of divisors:
1 3 9 199 597 1791 11731 35193 105579 2334469 7003407 21010221
Sum of all divisors σ(n): 30503200
Sum of proper divisors (its aliquot sum) s(n): 9492979
21010221 is a deficient number, because the sum of its proper divisors (9492979) is less than itself. Its deficiency is 11517242

Bases of 21010221

Binary: 1010000001001011100101101₂
Hexadecimal: 0x140972D
Base-36: CIBL9

Squares and roots of 21010221

21010221 squared (21010221²) is 441429386468841
21010221 cubed (21010221³) is 9274528965604759023861
The square root of 21010221 is 4583.6907618207
The cube root of 21010221 is 275.9371706385

Scales and comparisons

How big is 21010221?

21,010,221 seconds is equal to 34 weeks, 5 days, 4 hours, 10 minutes, 21 seconds.
To count from 1 to 21,010,221 would take you about eighteen hours!

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 21010221 cubic inches would be around 23 feet tall.

Recreational maths with 21010221

21010221 backwards is 12201012
21010221 is a Harshad number.
The number of decimal digits it has is: 8
The sum of 21010221's digits is 9
More coming soon!

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The information we have on file for 21010221 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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