21950

21,950 is an even composite number composed of three prime numbers multiplied together.

What does the number 21950 look like?

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

21950 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 21950:

2 × 5² × 439

(2 × 5 × 5 × 439)

See below for interesting mathematical facts about the number 21950 from the Numbermatics database.

Names of 21950

Cardinal: 21950 can be written as Twenty-one thousand, nine hundred fifty.

Scientific notation

Scientific notation: 2.195 × 10⁴

Factors of 21950

Number of distinct prime factors ω(n): 3
Total number of prime factors Ω(n): 4
Sum of prime factors: 446

Divisors of 21950

Number of divisors d(n): 12
Complete list of divisors:
1 2 5 10 25 50 439 878 2195 4390 10975 21950
Sum of all divisors σ(n): 40920
Sum of proper divisors (its aliquot sum) s(n): 18970
21950 is a deficient number, because the sum of its proper divisors (18970) is less than itself. Its deficiency is 2980

Bases of 21950

Binary: 101010110111110₂
Hexadecimal: 0x55BE
Base-36: GXQ

Squares and roots of 21950

21950 squared (21950²) is 481802500
21950 cubed (21950³) is 10575564875000
The square root of 21950 is 148.1553239001
The cube root of 21950 is 27.9991496341

Scales and comparisons

How big is 21950?

21,950 seconds is equal to 6 hours, 5 minutes, 50 seconds.
To count from 1 to 21,950 would take you about six 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 21950 cubic inches would be around 2.3 feet tall.

Recreational maths with 21950

21950 backwards is 05912
The number of decimal digits it has is: 5
The sum of 21950's digits is 17
More coming soon!

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The information we have on file for 21950 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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