228

228 is an even composite number composed of three prime numbers multiplied together.

What does the number 228 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 12 divisors.

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

Prime factorization of 228:

2² × 3 × 19

(2 × 2 × 3 × 19)

See below for interesting mathematical facts about the number 228 from the Numbermatics database.

Names of 228

Cardinal: 228 can be written as Two hundred twenty-eight.

Scientific notation

Scientific notation: 2.28 × 10²

Factors of 228

Number of distinct prime factors ω(n): 3
Total number of prime factors Ω(n): 4
Sum of prime factors: 24

Divisors of 228

Number of divisors d(n): 12
Complete list of divisors:
1 2 3 4 6 12 19 38 57 76 114 228
Sum of all divisors σ(n): 560
Sum of proper divisors (its aliquot sum) s(n): 332
228 is an abundant number, because the sum of its proper divisors (332) is greater than itself. Its abundance is 104

Bases of 228

Binary: 11100100₂
Hexadecimal: 0xE4
Base-36: 6C

Squares and roots of 228

228 squared (228²) is 51984
228 cubed (228³) is 11852352
The square root of 228 is 15.0996688705
The cube root of 228 is 6.1091147443

Scales and comparisons

How big is 228?

228 seconds is equal to 3 minutes, 48 seconds.
To count from 1 to 228 would take you about fifty-four seconds.

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 228 cubic inches would be around 0.5 feet tall.

Recreational maths with 228

228 backwards is 822
228 is a Harshad number.
The number of decimal digits it has is: 3
The sum of 228's digits is 12
More coming soon!

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The information we have on file for 228 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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