21340

21,340 is an even composite number composed of four prime numbers multiplied together.

What does the number 21340 look like?

This visualization shows the relationship between its 4 prime factors (large circles) and 24 divisors.

21340 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of twenty-four divisors.

Prime factorization of 21340:

2² × 5 × 11 × 97

(2 × 2 × 5 × 11 × 97)

See below for interesting mathematical facts about the number 21340 from the Numbermatics database.

Names of 21340

Cardinal: 21340 can be written as Twenty-one thousand, three hundred forty.

Scientific notation

Scientific notation: 2.134 × 10⁴

Factors of 21340

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 5
Sum of prime factors: 115

Divisors of 21340

Number of divisors d(n): 24
Complete list of divisors:
1 2 4 5 10 11 20 22 44 55 97 110 194 220 388 485 970 1067 1940 2134 4268 5335 10670 21340
Sum of all divisors σ(n): 49392
Sum of proper divisors (its aliquot sum) s(n): 28052
21340 is an abundant number, because the sum of its proper divisors (28052) is greater than itself. Its abundance is 6712

Bases of 21340

Binary: 101001101011100₂
Hexadecimal: 0x535C
Base-36: GGS

Squares and roots of 21340

21340 squared (21340²) is 455395600
21340 cubed (21340³) is 9718142104000
The square root of 21340 is 146.0821686587
The cube root of 21340 is 27.7373396785

Scales and comparisons

How big is 21340?

21,340 seconds is equal to 5 hours, 55 minutes, 40 seconds.
To count from 1 to 21,340 would take you about five 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 21340 cubic inches would be around 2.3 feet tall.

Recreational maths with 21340

21340 backwards is 04312
21340 is a Harshad number.
The number of decimal digits it has is: 5
The sum of 21340's digits is 10
More coming soon!

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The information we have on file for 21340 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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