18872

18,872 is an even composite number composed of three prime numbers multiplied together.

What does the number 18872 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 16 divisors.

18872 is an even composite number. It is composed of three distinct prime numbers multiplied together. It has a total of sixteen divisors.

Prime factorization of 18872:

2³ × 7 × 337

(2 × 2 × 2 × 7 × 337)

See below for interesting mathematical facts about the number 18872 from the Numbermatics database.

Names of 18872

Cardinal: 18872 can be written as Eighteen thousand, eight hundred seventy-two.

Scientific notation

Scientific notation: 1.8872 × 10⁴

Factors of 18872

Number of distinct prime factors ω(n): 3
Total number of prime factors Ω(n): 5
Sum of prime factors: 346

Divisors of 18872

Number of divisors d(n): 16
Complete list of divisors:
1 2 4 7 8 14 28 56 337 674 1348 2359 2696 4718 9436 18872
Sum of all divisors σ(n): 40560
Sum of proper divisors (its aliquot sum) s(n): 21688
18872 is an abundant number, because the sum of its proper divisors (21688) is greater than itself. Its abundance is 2816

Bases of 18872

Binary: 100100110111000₂
Hexadecimal: 0x49B8
Base-36: EK8

Squares and roots of 18872

18872 squared (18872²) is 356152384
18872 cubed (18872³) is 6721307790848
The square root of 18872 is 137.3753980887
The cube root of 18872 is 26.6239594177

Scales and comparisons

How big is 18872?

18,872 seconds is equal to 5 hours, 14 minutes, 32 seconds.
To count from 1 to 18,872 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 18872 cubic inches would be around 2.2 feet tall.

Recreational maths with 18872

18872 backwards is 27881
The number of decimal digits it has is: 5
The sum of 18872's digits is 26
More coming soon!

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The information we have on file for 18872 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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