# 20475

## 20,475 is an odd composite number composed of four prime numbers multiplied together.

What does the number 20475 look like?

This visualization shows the relationship between its 4 prime factors (large circles) and 36 divisors.

20475 is an odd composite number. It is composed of four distinct prime numbers multiplied together. It has a total of thirty-six divisors.

## Prime factorization of 20475:

### 32 × 52 × 7 × 13

(3 × 3 × 5 × 5 × 7 × 13)

See below for interesting mathematical facts about the number 20475 from the Numbermatics database.

### Names of 20475

• Cardinal: 20475 can be written as Twenty thousand, four hundred seventy-five.

### Scientific notation

• Scientific notation: 2.0475 × 104

### Factors of 20475

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 28

### Divisors of 20475

• Number of divisors d(n): 36
• Complete list of divisors:
• Sum of all divisors σ(n): 45136
• Sum of proper divisors (its aliquot sum) s(n): 24661
• 20475 is an abundant number, because the sum of its proper divisors (24661) is greater than itself. Its abundance is 4186

### Bases of 20475

• Binary: 1001111111110112
• Base-36: FSR

### Squares and roots of 20475

• 20475 squared (204752) is 419225625
• 20475 cubed (204753) is 8583644671875
• The square root of 20475 is 143.0908802125
• The cube root of 20475 is 27.3573884343

### Scales and comparisons

How big is 20475?
• 20,475 seconds is equal to 5 hours, 41 minutes, 15 seconds.
• To count from 1 to 20,475 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 20475 cubic inches would be around 2.3 feet tall.

### Recreational maths with 20475

• 20475 backwards is 57402
• The number of decimal digits it has is: 5
• The sum of 20475's digits is 18
• More coming soon!