188

188 is an even composite number composed of two prime numbers multiplied together.

What does the number 188 look like?

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

188 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 188:

2² × 47

(2 × 2 × 47)

See below for interesting mathematical facts about the number 188 from the Numbermatics database.

Names of 188

Cardinal: 188 can be written as One hundred eighty-eight.

Scientific notation

Scientific notation: 1.88 × 10²

Factors of 188

Number of distinct prime factors ω(n): 2
Total number of prime factors Ω(n): 3
Sum of prime factors: 49

Divisors of 188

Number of divisors d(n): 6
Complete list of divisors:
1 2 4 47 94 188
Sum of all divisors σ(n): 336
Sum of proper divisors (its aliquot sum) s(n): 148
188 is a deficient number, because the sum of its proper divisors (148) is less than itself. Its deficiency is 40

Bases of 188

Binary: 10111100₂
Hexadecimal: 0xBC
Base-36: 58

Squares and roots of 188

188 squared (188²) is 35344
188 cubed (188³) is 6644672
The square root of 188 is 13.7113092009
The cube root of 188 is 5.7286543161

Scales and comparisons

How big is 188?

188 seconds is equal to 3 minutes, 8 seconds.
To count from 1 to 188 would take you about thirty-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 188 cubic inches would be around 0.5 feet tall.

Recreational maths with 188

188 backwards is 881
The number of decimal digits it has is: 3
The sum of 188's digits is 17
More coming soon!

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The information we have on file for 188 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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