# 890

## 890 is an even composite number composed of three prime numbers multiplied together.

What does the number 890 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 8 divisors.

890 is an even composite number. It is composed of three distinct prime numbers multiplied together. It has a total of eight divisors.

## Prime factorization of 890:

### 2 × 5 × 89

See below for interesting mathematical facts about the number 890 from the Numbermatics database.

### Names of 890

• Cardinal: 890 can be written as Eight hundred ninety.

### Scientific notation

• Scientific notation: 8.9 × 102

### Factors of 890

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 96

### Divisors of 890

• Number of divisors d(n): 8
• Complete list of divisors:
• Sum of all divisors σ(n): 1620
• Sum of proper divisors (its aliquot sum) s(n): 730
• 890 is a deficient number, because the sum of its proper divisors (730) is less than itself. Its deficiency is 160

### Bases of 890

• Binary: 11011110102
• Base-36: OQ

### Squares and roots of 890

• 890 squared (8902) is 792100
• 890 cubed (8903) is 704969000
• The square root of 890 is 29.8328677803
• The cube root of 890 is 9.6190017157

### Scales and comparisons

How big is 890?
• 890 seconds is equal to 14 minutes, 50 seconds.
• To count from 1 to 890 would take you about seven minutes.

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 890 cubic inches would be around 0.8 feet tall.

### Recreational maths with 890

• 890 backwards is 098
• The number of decimal digits it has is: 3
• The sum of 890's digits is 17
• More coming soon!