21042250

21,042,250 is an even composite number composed of four prime numbers multiplied together.

What does the number 21042250 look like?

This visualization shows the relationship between its 4 prime factors (large circles) and 32 divisors.

21042250 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of thirty-two divisors.

Prime factorization of 21042250:

2 × 5³ × 73 × 1153

(2 × 5 × 5 × 5 × 73 × 1153)

See below for interesting mathematical facts about the number 21042250 from the Numbermatics database.

Names of 21042250

Cardinal: 21042250 can be written as Twenty-one million, forty-two thousand, two hundred fifty.

Scientific notation

Scientific notation: 2.104225 × 10⁷

Factors of 21042250

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 6
Sum of prime factors: 1233

Divisors of 21042250

Number of divisors d(n): 32
Complete list of divisors:
1 2 5 10 25 50 73 125 146 250 365 730 1153 1825 2306 3650 5765 9125 11530 18250 28825 57650 84169 144125 168338 288250 420845 841690 2104225 4208450 10521125 21042250
Sum of all divisors σ(n): 39965328
Sum of proper divisors (its aliquot sum) s(n): 18923078
21042250 is a deficient number, because the sum of its proper divisors (18923078) is less than itself. Its deficiency is 2119172

Bases of 21042250

Binary: 1010000010001010001001010₂
Hexadecimal: 0x141144A
Base-36: CJ0AY

Squares and roots of 21042250

21042250 squared (21042250²) is 442776285062500
21042250 cubed (21042250³) is 9317009284356390625000
The square root of 21042250 is 4587.1832315705
The cube root of 21042250 is 276.0773167831

Scales and comparisons

How big is 21042250?

21,042,250 seconds is equal to 34 weeks, 5 days, 13 hours, 4 minutes, 10 seconds.
To count from 1 to 21,042,250 would take you about seven 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 21042250 cubic inches would be around 23 feet tall.

Recreational maths with 21042250

21042250 backwards is 05224012
The number of decimal digits it has is: 8
The sum of 21042250's digits is 16
More coming soon!

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The information we have on file for 21042250 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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