# 90000

## 90,000 is an even composite number composed of three prime numbers multiplied together.

What does the number 90000 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 75 divisors.

90000 is an even composite number. It is composed of three distinct prime numbers multiplied together. It has a total of seventy-five divisors.

## Prime factorization of 90000:

### 24 × 32 × 54

(2 × 2 × 2 × 2 × 3 × 3 × 5 × 5 × 5 × 5)

See below for interesting mathematical facts about the number 90000 from the Numbermatics database.

### Names of 90000

• Cardinal: 90000 can be written as Ninety thousand.

### Scientific notation

• Scientific notation: 9 × 104

### Factors of 90000

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 10

### Divisors of 90000

• Number of divisors d(n): 75
• Complete list of divisors:
• Sum of all divisors σ(n): 314743
• Sum of proper divisors (its aliquot sum) s(n): 224743
• 90000 is an abundant number, because the sum of its proper divisors (224743) is greater than itself. Its abundance is 134743

### Bases of 90000

• Binary: 101011111100100002
• Base-36: 1XG0

### Squares and roots of 90000

• 90000 squared (900002) is 8100000000
• 90000 cubed (900003) is 729000000000000
• 90000 is a perfect square number. Its square root is 300
• The cube root of 90000 is 44.8140474655

### Scales and comparisons

How big is 90000?
• 90,000 seconds is equal to 1 day, 1 hour.
• To count from 1 to 90,000 would take you about .

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 90000 cubic inches would be around 3.7 feet tall.

### Recreational maths with 90000

• 90000 backwards is 00009
• 90000 is a Harshad number.
• The number of decimal digits it has is: 5
• The sum of 90000's digits is 9
• More coming soon!