28172

28,172 is an even composite number composed of two prime numbers multiplied together.

What does the number 28172 look like?

This visualization shows the relationship between its 2 prime factors (large circles) and 6 divisors.

28172 is an even composite number. It is composed of two distinct prime numbers multiplied together. It has a total of six divisors.

Prime factorization of 28172:

2² × 7043

(2 × 2 × 7043)

See below for interesting mathematical facts about the number 28172 from the Numbermatics database.

Names of 28172

Cardinal: 28172 can be written as Twenty-eight thousand, one hundred seventy-two.

Scientific notation

Scientific notation: 2.8172 × 10⁴

Factors of 28172

Number of distinct prime factors ω(n): 2
Total number of prime factors Ω(n): 3
Sum of prime factors: 7045

Divisors of 28172

Number of divisors d(n): 6
Complete list of divisors:
1 2 4 7043 14086 28172
Sum of all divisors σ(n): 49308
Sum of proper divisors (its aliquot sum) s(n): 21136
28172 is a deficient number, because the sum of its proper divisors (21136) is less than itself. Its deficiency is 7036

Bases of 28172

Binary: 110111000001100₂
Hexadecimal: 0x6E0C
Base-36: LQK

Squares and roots of 28172

28172 squared (28172²) is 793661584
28172 cubed (28172³) is 22359034144448
The square root of 28172 is 167.8451667461
The cube root of 28172 is 30.4279406093

Scales and comparisons

How big is 28172?

28,172 seconds is equal to 7 hours, 49 minutes, 32 seconds.
To count from 1 to 28,172 would take you about seven 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 28172 cubic inches would be around 2.5 feet tall.

Recreational maths with 28172

28172 backwards is 27182
The number of decimal digits it has is: 5
The sum of 28172's digits is 20
More coming soon!

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The information we have on file for 28172 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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