# 20477

## 20,477 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 20477 look like?

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

20477 is a prime number. Like all primes (except two), it is an odd number.

## Prime factorization of 20477:

### 20477

See below for interesting mathematical facts about the number 20477 from the Numbermatics database.

### Names of 20477

• Cardinal: 20477 can be written as Twenty thousand, four hundred seventy-seven.

### Scientific notation

• Scientific notation: 2.0477 × 104

### Factors of 20477

• Number of distinct prime factors ω(n): 1
• Total number of prime factors Ω(n): 1
• Sum of prime factors: 20477

### Divisors of 20477

• Number of divisors d(n): 2
• Complete list of divisors:
• Sum of all divisors σ(n): 20478
• Sum of proper divisors (its aliquot sum) s(n): 1
• 20477 is a deficient number, because the sum of its proper divisors (1) is less than itself. Its deficiency is 20476

### Bases of 20477

• Binary: 1001111111111012
• Base-36: FST

### Squares and roots of 20477

• 20477 squared (204772) is 419307529
• 20477 cubed (204773) is 8586160271333
• The square root of 20477 is 143.0978686075
• The cube root of 20477 is 27.3582791629

### Scales and comparisons

How big is 20477?
• 20,477 seconds is equal to 5 hours, 41 minutes, 17 seconds.
• To count from 1 to 20,477 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 20477 cubic inches would be around 2.3 feet tall.

### Recreational maths with 20477

• 20477 backwards is 77402
• 20477 is a twin prime! Its twin is 20479
• The number of decimal digits it has is: 5
• The sum of 20477's digits is 20
• More coming soon!