20971988

20,971,988 is an even composite number composed of three prime numbers multiplied together.

What does the number 20971988 look like?

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

20971988 is an even composite number. It is composed of three distinct prime numbers multiplied together. It has a total of twelve divisors.

Prime factorization of 20971988:

2² × 29 × 180793

(2 × 2 × 29 × 180793)

See below for interesting mathematical facts about the number 20971988 from the Numbermatics database.

Names of 20971988

Cardinal: 20971988 can be written as Twenty million, nine hundred seventy-one thousand, nine hundred eighty-eight.

Scientific notation

Scientific notation: 2.0971988 × 10⁷

Factors of 20971988

Number of distinct prime factors ω(n): 3
Total number of prime factors Ω(n): 4
Sum of prime factors: 180824

Divisors of 20971988

Number of divisors d(n): 12
Complete list of divisors:
1 2 4 29 58 116 180793 361586 723172 5242997 10485994 20971988
Sum of all divisors σ(n): 37966740
Sum of proper divisors (its aliquot sum) s(n): 16994752
20971988 is a deficient number, because the sum of its proper divisors (16994752) is less than itself. Its deficiency is 3977236

Bases of 20971988

Binary: 1010000000000000111010100₂
Hexadecimal: 0x14001D4
Base-36: CHI38

Squares and roots of 20971988

20971988 squared (20971988²) is 439824280672144
20971988 cubed (20971988³) is 9223989536364835902272
The square root of 20971988 is 4579.5183152817
The cube root of 20971988 is 275.7696916505

Scales and comparisons

How big is 20971988?

20,971,988 seconds is equal to 34 weeks, 4 days, 17 hours, 33 minutes, 8 seconds.
To count from 1 to 20,971,988 would take you about two 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 20971988 cubic inches would be around 23 feet tall.

Recreational maths with 20971988

20971988 backwards is 88917902
The number of decimal digits it has is: 8
The sum of 20971988's digits is 44
More coming soon!

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The information we have on file for 20971988 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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