# 18839

## 18,839 is a prime number. Like all primes greater than two, it is odd and has no factors apart from itself and one.

What does the number 18839 look like?

As a prime, it is not composed of any other numbers and has no internal structure.

18839 is a prime number. Like all primes (except two), it is an odd number.

## Prime factorization of 18839:

### 18839

See below for interesting mathematical facts about the number 18839 from the Numbermatics database.

### Names of 18839

• Cardinal: 18839 can be written as Eighteen thousand, eight hundred thirty-nine.

### Scientific notation

• Scientific notation: 1.8839 × 104

### Factors of 18839

• Number of distinct prime factors ω(n): 1
• Total number of prime factors Ω(n): 1
• Sum of prime factors: 18839

### Divisors of 18839

• Number of divisors d(n): 2
• Complete list of divisors:
• Sum of all divisors σ(n): 18840
• Sum of proper divisors (its aliquot sum) s(n): 1
• 18839 is a deficient number, because the sum of its proper divisors (1) is less than itself. Its deficiency is 18838

### Bases of 18839

• Binary: 1001001100101112
• Base-36: EJB

### Squares and roots of 18839

• 18839 squared (188392) is 354907921
• 18839 cubed (188393) is 6686110323719
• The square root of 18839 is 137.2552366943
• The cube root of 18839 is 26.6084319473

### Scales and comparisons

How big is 18839?
• 18,839 seconds is equal to 5 hours, 13 minutes, 59 seconds.
• To count from 1 to 18,839 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 18839 cubic inches would be around 2.2 feet tall.

### Recreational maths with 18839

• 18839 backwards is 93881
• The number of decimal digits it has is: 5
• The sum of 18839's digits is 29
• More coming soon!

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The information we have on file for 18839 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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