21494873

21,494,873 is an odd composite number composed of four prime numbers multiplied together.

What does the number 21494873 look like?

This visualization shows the relationship between its 4 prime factors (large circles) and 16 divisors.

21494873 is an odd composite number. It is composed of four distinct prime numbers multiplied together. It has a total of sixteen divisors.

Prime factorization of 21494873:

31 × 67 × 79 × 131

See below for interesting mathematical facts about the number 21494873 from the Numbermatics database.

Names of 21494873

Cardinal: 21494873 can be written as Twenty-one million, four hundred ninety-four thousand, eight hundred seventy-three.

Scientific notation

Scientific notation: 2.1494873 × 10⁷

Factors of 21494873

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 4
Sum of prime factors: 308

Divisors of 21494873

Number of divisors d(n): 16
Complete list of divisors:
1 31 67 79 131 2077 2449 4061 5293 8777 10349 164083 272087 320819 693383 21494873
Sum of all divisors σ(n): 22978560
Sum of proper divisors (its aliquot sum) s(n): 1483687
21494873 is a deficient number, because the sum of its proper divisors (1483687) is less than itself. Its deficiency is 20011186

Bases of 21494873

Binary: 1010001111111110001011001₂
Hexadecimal: 0x147FC59
Base-36: CSPJT

Squares and roots of 21494873

21494873 squared (21494873²) is 462029565286129
21494873 cubed (21494873³) is 9931266828070551516617
The square root of 21494873 is 4636.2563561563
The cube root of 21494873 is 278.0427836435

Scales and comparisons

How big is 21494873?

21,494,873 seconds is equal to 35 weeks, 3 days, 18 hours, 47 minutes, 53 seconds.
To count from 1 to 21,494,873 would take you about two 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 21494873 cubic inches would be around 23.2 feet tall.

Recreational maths with 21494873

21494873 backwards is 37849412
The number of decimal digits it has is: 8
The sum of 21494873's digits is 38
More coming soon!

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The information we have on file for 21494873 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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