21240873

21,240,873 is an odd composite number composed of two prime numbers multiplied together.

What does the number 21240873 look like?

This visualization shows the relationship between its 2 prime factors (large circles) and 14 divisors.

21240873 is an odd composite number. It is composed of two distinct prime numbers multiplied together. It has a total of fourteen divisors.

Prime factorization of 21240873:

3⁶ × 29137

(3 × 3 × 3 × 3 × 3 × 3 × 29137)

See below for interesting mathematical facts about the number 21240873 from the Numbermatics database.

Names of 21240873

Cardinal: 21240873 can be written as Twenty-one million, two hundred forty thousand, eight hundred seventy-three.

Scientific notation

Scientific notation: 2.1240873 × 10⁷

Factors of 21240873

Number of distinct prime factors ω(n): 2
Total number of prime factors Ω(n): 7
Sum of prime factors: 29140

Divisors of 21240873

Number of divisors d(n): 14
Complete list of divisors:
1 3 9 27 81 243 729 29137 87411 262233 786699 2360097 7080291 21240873
Sum of all divisors σ(n): 31847834
Sum of proper divisors (its aliquot sum) s(n): 10606961
21240873 is a deficient number, because the sum of its proper divisors (10606961) is less than itself. Its deficiency is 10633912

Bases of 21240873

Binary: 1010001000001110000101001₂
Hexadecimal: 0x1441C29
Base-36: CN9K9

Squares and roots of 21240873

21240873 squared (21240873²) is 451174685802129
21240873 cubed (21240873³) is 9583344201937925218617
The square root of 21240873 is 4608.7821601807
The cube root of 21240873 is 276.9432518955

Scales and comparisons

How big is 21240873?

21,240,873 seconds is equal to 35 weeks, 20 hours, 14 minutes, 33 seconds.
To count from 1 to 21,240,873 would take you about four 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 21240873 cubic inches would be around 23.1 feet tall.

Recreational maths with 21240873

21240873 backwards is 37804212
21240873 is a Harshad number.
The number of decimal digits it has is: 8
The sum of 21240873's digits is 27
More coming soon!

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The information we have on file for 21240873 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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