# 20533

## 20,533 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 20533 look like?

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

20533 is a prime number. Like all primes (except two), it is an odd number.

## Prime factorization of 20533:

### 20533

See below for interesting mathematical facts about the number 20533 from the Numbermatics database.

### Names of 20533

• Cardinal: 20533 can be written as Twenty thousand, five hundred thirty-three.

### Scientific notation

• Scientific notation: 2.0533 × 104

### Factors of 20533

• Number of distinct prime factors ω(n): 1
• Total number of prime factors Ω(n): 1
• Sum of prime factors: 20533

### Divisors of 20533

• Number of divisors d(n): 2
• Complete list of divisors:
• Sum of all divisors σ(n): 20534
• Sum of proper divisors (its aliquot sum) s(n): 1
• 20533 is a deficient number, because the sum of its proper divisors (1) is less than itself. Its deficiency is 20532

### Bases of 20533

• Binary: 1010000001101012
• Base-36: FUD

### Squares and roots of 20533

• 20533 squared (205332) is 421604089
• 20533 cubed (205333) is 8656796759437
• The square root of 20533 is 143.2934052913
• The cube root of 20533 is 27.3831960475

### Scales and comparisons

How big is 20533?
• 20,533 seconds is equal to 5 hours, 42 minutes, 13 seconds.
• To count from 1 to 20,533 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 20533 cubic inches would be around 2.3 feet tall.

### Recreational maths with 20533

• 20533 backwards is 33502
• The number of decimal digits it has is: 5
• The sum of 20533's digits is 13
• More coming soon!