# 8123389

## 8,123,389 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 8123389 look like?

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

8123389 is a prime number. Like all primes (except two), it is an odd number.

## Prime factorization of 8123389:

### 8123389

See below for interesting mathematical facts about the number 8123389 from the Numbermatics database.

### Names of 8123389

• Cardinal: 8123389 can be written as Eight million, one hundred twenty-three thousand, three hundred eighty-nine.

### Scientific notation

• Scientific notation: 8.123389 × 106

### Factors of 8123389

• Number of distinct prime factors ω(n): 1
• Total number of prime factors Ω(n): 1
• Sum of prime factors: 8123389

### Divisors of 8123389

• Number of divisors d(n): 2
• Complete list of divisors:
• Sum of all divisors σ(n): 8123390
• Sum of proper divisors (its aliquot sum) s(n): 1
• 8123389 is a deficient number, because the sum of its proper divisors (1) is less than itself. Its deficiency is 8123388

### Bases of 8123389

• Binary: 111101111110011111111012
• Base-36: 4U41P

### Squares and roots of 8123389

• 8123389 squared (81233892) is 65989448845321
• 8123389 cubed (81233893) is 536057962866143312869
• The square root of 8123389 is 2850.1559606449
• The cube root of 8123389 is 201.0230000991

### Scales and comparisons

How big is 8123389?
• 8,123,389 seconds is equal to 13 weeks, 3 days, 29 minutes, 49 seconds.
• To count from 1 to 8,123,389 would take you about twenty weeks!

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 8123389 cubic inches would be around 16.8 feet tall.

### Recreational maths with 8123389

• 8123389 backwards is 9833218
• The number of decimal digits it has is: 7
• The sum of 8123389's digits is 34
• More coming soon!