21312207

21,312,207 is an odd composite number composed of four prime numbers multiplied together.

What does the number 21312207 look like?

This visualization shows the relationship between its 4 prime factors (large circles) and 48 divisors.

21312207 is an odd composite number. It is composed of four distinct prime numbers multiplied together. It has a total of forty-eight divisors.

Prime factorization of 21312207:

3³ × 7² × 89 × 181

(3 × 3 × 3 × 7 × 7 × 89 × 181)

See below for interesting mathematical facts about the number 21312207 from the Numbermatics database.

Names of 21312207

Cardinal: 21312207 can be written as Twenty-one million, three hundred twelve thousand, two hundred seven.

Scientific notation

Scientific notation: 2.1312207 × 10⁷

Factors of 21312207

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 7
Sum of prime factors: 280

Divisors of 21312207

Number of divisors d(n): 48
Complete list of divisors:
1 3 7 9 21 27 49 63 89 147 181 189 267 441 543 623 801 1267 1323 1629 1869 2403 3801 4361 4887 5607 8869 11403 13083 16109 16821 26607 34209 39249 48327 79821 112763 117747 144981 239463 338289 434943 789341 1014867 2368023 3044601 7104069 21312207
Sum of all divisors σ(n): 37346400
Sum of proper divisors (its aliquot sum) s(n): 16034193
21312207 is a deficient number, because the sum of its proper divisors (16034193) is less than itself. Its deficiency is 5278014

Bases of 21312207

Binary: 1010001010011001011001111₂
Hexadecimal: 0x14532CF
Base-36: COSLR

Squares and roots of 21312207

21312207 squared (21312207²) is 454210167210849
21312207 cubed (21312207³) is 9680221105102226533743
The square root of 21312207 is 4616.5145943665
The cube root of 21312207 is 277.2529283689

Scales and comparisons

How big is 21312207?

21,312,207 seconds is equal to 35 weeks, 1 day, 16 hours, 3 minutes, 27 seconds.
To count from 1 to 21,312,207 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 21312207 cubic inches would be around 23.1 feet tall.

Recreational maths with 21312207

21312207 backwards is 70221312
The number of decimal digits it has is: 8
The sum of 21312207's digits is 18
More coming soon!

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The information we have on file for 21312207 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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