# 4989

## 4,989 is an odd composite number composed of two prime numbers multiplied together.

What does the number 4989 look like?

This visualization shows the relationship between its 2 prime factors (large circles) and 4 divisors.

4989 is an odd composite number. It is composed of two distinct prime numbers multiplied together. It has a total of four divisors.

## Prime factorization of 4989:

### 3 × 1663

See below for interesting mathematical facts about the number 4989 from the Numbermatics database.

### Names of 4989

• Cardinal: 4989 can be written as Four thousand, nine hundred eighty-nine.

### Scientific notation

• Scientific notation: 4.989 × 103

### Factors of 4989

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 1666

### Divisors of 4989

• Number of divisors d(n): 4
• Complete list of divisors:
• Sum of all divisors σ(n): 6656
• Sum of proper divisors (its aliquot sum) s(n): 1667
• 4989 is a deficient number, because the sum of its proper divisors (1667) is less than itself. Its deficiency is 3322

### Bases of 4989

• Binary: 10011011111012
• Base-36: 3UL

### Squares and roots of 4989

• 4989 squared (49892) is 24890121
• 4989 cubed (49893) is 124176813669
• The square root of 4989 is 70.6328535457
• The cube root of 4989 is 17.0872104361

### Scales and comparisons

How big is 4989?
• 4,989 seconds is equal to 1 hour, 23 minutes, 9 seconds.
• To count from 1 to 4,989 would take you about twenty-three 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 4989 cubic inches would be around 1.4 feet tall.

### Recreational maths with 4989

• 4989 backwards is 9894
• The number of decimal digits it has is: 4
• The sum of 4989's digits is 30
• More coming soon!