18128

18,128 is an even composite number composed of three prime numbers multiplied together.

What does the number 18128 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 20 divisors.

18128 is an even composite number. It is composed of three distinct prime numbers multiplied together. It has a total of twenty divisors.

Prime factorization of 18128:

2⁴ × 11 × 103

(2 × 2 × 2 × 2 × 11 × 103)

See below for interesting mathematical facts about the number 18128 from the Numbermatics database.

Names of 18128

Cardinal: 18128 can be written as Eighteen thousand, one hundred twenty-eight.

Scientific notation

Scientific notation: 1.8128 × 10⁴

Factors of 18128

Number of distinct prime factors ω(n): 3
Total number of prime factors Ω(n): 6
Sum of prime factors: 116

Divisors of 18128

Number of divisors d(n): 20
Complete list of divisors:
1 2 4 8 11 16 22 44 88 103 176 206 412 824 1133 1648 2266 4532 9064 18128
Sum of all divisors σ(n): 38688
Sum of proper divisors (its aliquot sum) s(n): 20560
18128 is an abundant number, because the sum of its proper divisors (20560) is greater than itself. Its abundance is 2432

Bases of 18128

Binary: 100011011010000₂
Hexadecimal: 0x46D0
Base-36: DZK

Squares and roots of 18128

18128 squared (18128²) is 328624384
18128 cubed (18128³) is 5957302833152
The square root of 18128 is 134.6402614377
The cube root of 18128 is 26.2693885481

Scales and comparisons

How big is 18128?

18,128 seconds is equal to 5 hours, 2 minutes, 8 seconds.
To count from 1 to 18,128 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 18128 cubic inches would be around 2.2 feet tall.

Recreational maths with 18128

18128 backwards is 82181
The number of decimal digits it has is: 5
The sum of 18128's digits is 20
More coming soon!

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The information we have on file for 18128 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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