21071907

21,071,907 is an odd composite number composed of four prime numbers multiplied together.

What does the number 21071907 look like?

This visualization shows the relationship between its 4 prime factors (large circles) and 40 divisors.

21071907 is an odd composite number. It is composed of four distinct prime numbers multiplied together. It has a total of forty divisors.

Prime factorization of 21071907:

3⁴ × 37 × 79 × 89

(3 × 3 × 3 × 3 × 37 × 79 × 89)

See below for interesting mathematical facts about the number 21071907 from the Numbermatics database.

Names of 21071907

Cardinal: 21071907 can be written as Twenty-one million, seventy-one thousand, nine hundred seven.

Scientific notation

Scientific notation: 2.1071907 × 10⁷

Factors of 21071907

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 7
Sum of prime factors: 208

Divisors of 21071907

Number of divisors d(n): 40
Complete list of divisors:
1 3 9 27 37 79 81 89 111 237 267 333 711 801 999 2133 2403 2923 2997 3293 6399 7031 7209 8769 9879 21093 26307 29637 63279 78921 88911 189837 236763 260147 266733 569511 780441 2341323 7023969 21071907
Sum of all divisors σ(n): 33105600
Sum of proper divisors (its aliquot sum) s(n): 12033693
21071907 is a deficient number, because the sum of its proper divisors (12033693) is less than itself. Its deficiency is 9038214

Bases of 21071907

Binary: 1010000011000100000100011₂
Hexadecimal: 0x1418823
Base-36: CJN6R

Squares and roots of 21071907

21071907 squared (21071907²) is 444025264616649
21071907 cubed (21071907³) is 9356459081652418379643
The square root of 21071907 is 4590.4146871497
The cube root of 21071907 is 276.2069572517

Scales and comparisons

How big is 21071907?

21,071,907 seconds is equal to 34 weeks, 5 days, 21 hours, 18 minutes, 27 seconds.
To count from 1 to 21,071,907 would take you about nineteen 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 21071907 cubic inches would be around 23 feet tall.

Recreational maths with 21071907

21071907 backwards is 70917012
21071907 is a Harshad number.
The number of decimal digits it has is: 8
The sum of 21071907's digits is 27
More coming soon!

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The information we have on file for 21071907 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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