# 90989

## 90,989 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 90989 look like?

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

90989 is a prime number. Like all primes (except two), it is an odd number.

## Prime factorization of 90989:

### 90989

See below for interesting mathematical facts about the number 90989 from the Numbermatics database.

### Names of 90989

• Cardinal: 90989 can be written as Ninety thousand, nine hundred eighty-nine.

### Scientific notation

• Scientific notation: 9.0989 × 104

### Factors of 90989

• Number of distinct prime factors ω(n): 1
• Total number of prime factors Ω(n): 1
• Sum of prime factors: 90989

### Divisors of 90989

• Number of divisors d(n): 2
• Complete list of divisors:
• Sum of all divisors σ(n): 90990
• Sum of proper divisors (its aliquot sum) s(n): 1
• 90989 is a deficient number, because the sum of its proper divisors (1) is less than itself. Its deficiency is 90988

### Bases of 90989

• Binary: 101100011011011012
• Base-36: 1Y7H

### Squares and roots of 90989

• 90989 squared (909892) is 8278998121
• 90989 cubed (909893) is 753297760031669
• The square root of 90989 is 301.6438297065
• The cube root of 90989 is 44.9776020223

### Scales and comparisons

How big is 90989?
• 90,989 seconds is equal to 1 day, 1 hour, 16 minutes, 29 seconds.
• To count from 1 to 90,989 would take you about sixteen 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 90989 cubic inches would be around 3.7 feet tall.

### Recreational maths with 90989

• 90989 backwards is 98909
• The number of decimal digits it has is: 5
• The sum of 90989's digits is 35
• More coming soon!