21270940

21,270,940 is an even composite number composed of three prime numbers multiplied together.

What does the number 21270940 look like?

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

21270940 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 21270940:

2² × 5 × 1063547

(2 × 2 × 5 × 1063547)

See below for interesting mathematical facts about the number 21270940 from the Numbermatics database.

Names of 21270940

Cardinal: 21270940 can be written as Twenty-one million, two hundred seventy thousand, nine hundred forty.

Scientific notation

Scientific notation: 2.127094 × 10⁷

Factors of 21270940

Number of distinct prime factors ω(n): 3
Total number of prime factors Ω(n): 4
Sum of prime factors: 1063554

Divisors of 21270940

Number of divisors d(n): 12
Complete list of divisors:
1 2 4 5 10 20 1063547 2127094 4254188 5317735 10635470 21270940
Sum of all divisors σ(n): 44669016
Sum of proper divisors (its aliquot sum) s(n): 23398076
21270940 is an abundant number, because the sum of its proper divisors (23398076) is greater than itself. Its abundance is 2127136

Bases of 21270940

Binary: 1010001001001000110011100₂
Hexadecimal: 0x144919C
Base-36: CNWRG

Squares and roots of 21270940

21270940 squared (21270940²) is 452452888483600
21270940 cubed (21270940³) is 9624098243761346584000
The square root of 21270940 is 4612.0429312833
The cube root of 21270940 is 277.0738637099

Scales and comparisons

How big is 21270940?

21,270,940 seconds is equal to 35 weeks, 1 day, 4 hours, 35 minutes, 40 seconds.
To count from 1 to 21,270,940 would take you about five 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 21270940 cubic inches would be around 23.1 feet tall.

Recreational maths with 21270940

21270940 backwards is 04907212
The number of decimal digits it has is: 8
The sum of 21270940's digits is 25
More coming soon!

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The information we have on file for 21270940 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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