18988

18,988 is an even composite number composed of three prime numbers multiplied together.

What does the number 18988 look like?

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

18988 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 18988:

2² × 47 × 101

(2 × 2 × 47 × 101)

See below for interesting mathematical facts about the number 18988 from the Numbermatics database.

Names of 18988

Cardinal: 18988 can be written as Eighteen thousand, nine hundred eighty-eight.

Scientific notation

Scientific notation: 1.8988 × 10⁴

Factors of 18988

Number of distinct prime factors ω(n): 3
Total number of prime factors Ω(n): 4
Sum of prime factors: 150

Divisors of 18988

Number of divisors d(n): 12
Complete list of divisors:
1 2 4 47 94 101 188 202 404 4747 9494 18988
Sum of all divisors σ(n): 34272
Sum of proper divisors (its aliquot sum) s(n): 15284
18988 is a deficient number, because the sum of its proper divisors (15284) is less than itself. Its deficiency is 3704

Bases of 18988

Binary: 100101000101100₂
Hexadecimal: 0x4A2C
Base-36: ENG

Squares and roots of 18988

18988 squared (18988²) is 360544144
18988 cubed (18988³) is 6846012206272
The square root of 18988 is 137.7969520707
The cube root of 18988 is 26.6783976165

Scales and comparisons

How big is 18988?

18,988 seconds is equal to 5 hours, 16 minutes, 28 seconds.
To count from 1 to 18,988 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 18988 cubic inches would be around 2.2 feet tall.

Recreational maths with 18988

18988 backwards is 88981
The number of decimal digits it has is: 5
The sum of 18988's digits is 34
More coming soon!

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The information we have on file for 18988 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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