21142971

21,142,971 is an odd composite number composed of three prime numbers multiplied together.

What does the number 21142971 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 16 divisors.

21142971 is an odd composite number. It is composed of three distinct prime numbers multiplied together. It has a total of sixteen divisors.

Prime factorization of 21142971:

3³ × 43 × 18211

(3 × 3 × 3 × 43 × 18211)

See below for interesting mathematical facts about the number 21142971 from the Numbermatics database.

Names of 21142971

Cardinal: 21142971 can be written as Twenty-one million, one hundred forty-two thousand, nine hundred seventy-one.

Scientific notation

Scientific notation: 2.1142971 × 10⁷

Factors of 21142971

Number of distinct prime factors ω(n): 3
Total number of prime factors Ω(n): 5
Sum of prime factors: 18257

Divisors of 21142971

Number of divisors d(n): 16
Complete list of divisors:
1 3 9 27 43 129 387 1161 18211 54633 163899 491697 783073 2349219 7047657 21142971
Sum of all divisors σ(n): 32053120
Sum of proper divisors (its aliquot sum) s(n): 10910149
21142971 is a deficient number, because the sum of its proper divisors (10910149) is less than itself. Its deficiency is 10232822

Bases of 21142971

Binary: 1010000101001110110111011₂
Hexadecimal: 0x1429DBB
Base-36: CL60R

Squares and roots of 21142971

21142971 squared (21142971²) is 447025222706841
21142971 cubed (21142971³) is 9451441319959280764611
The square root of 21142971 is 4598.1486491847
The cube root of 21142971 is 276.5171071147

Scales and comparisons

How big is 21142971?

21,142,971 seconds is equal to 34 weeks, 6 days, 17 hours, 2 minutes, 51 seconds.
To count from 1 to 21,142,971 would take you about three 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 21142971 cubic inches would be around 23 feet tall.

Recreational maths with 21142971

21142971 backwards is 17924112
21142971 is a Harshad number.
The number of decimal digits it has is: 8
The sum of 21142971's digits is 27
More coming soon!

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The information we have on file for 21142971 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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