20827945

20,827,945 is an odd composite number composed of three prime numbers multiplied together.

What does the number 20827945 look like?

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

20827945 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 20827945:

5 × 29 × 379²

(5 × 29 × 379 × 379)

See below for interesting mathematical facts about the number 20827945 from the Numbermatics database.

Names of 20827945

Cardinal: 20827945 can be written as Twenty million, eight hundred twenty-seven thousand, nine hundred forty-five.

Scientific notation

Scientific notation: 2.0827945 × 10⁷

Factors of 20827945

Number of distinct prime factors ω(n): 3
Total number of prime factors Ω(n): 4
Sum of prime factors: 413

Divisors of 20827945

Number of divisors d(n): 12
Complete list of divisors:
1 5 29 145 379 1895 10991 54955 143641 718205 4165589 20827945
Sum of all divisors σ(n): 25923780
Sum of proper divisors (its aliquot sum) s(n): 5095835
20827945 is a deficient number, because the sum of its proper divisors (5095835) is less than itself. Its deficiency is 15732110

Bases of 20827945

Binary: 1001111011100111100101001₂
Hexadecimal: 0x13DCF29
Base-36: CEEY1

Squares and roots of 20827945

20827945 squared (20827945²) is 433803292923025
20827945 cubed (20827945³) is 9035231125819653933625
The square root of 20827945 is 4563.7643453623
The cube root of 20827945 is 275.1368795161

Scales and comparisons

How big is 20827945?

20,827,945 seconds is equal to 34 weeks, 3 days, 1 hour, 32 minutes, 25 seconds.
To count from 1 to 20,827,945 would take you about fifty-one weeks!

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 20827945 cubic inches would be around 22.9 feet tall.

Recreational maths with 20827945

20827945 backwards is 54972802
The number of decimal digits it has is: 8
The sum of 20827945's digits is 37
More coming soon!

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The information we have on file for 20827945 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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