# 389309

## 389,309 is an odd composite number composed of two prime numbers multiplied together.

What does the number 389309 look like?

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

389309 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 389309:

### 73 × 5333

See below for interesting mathematical facts about the number 389309 from the Numbermatics database.

### Names of 389309

• Cardinal: 389309 can be written as Three hundred eighty-nine thousand, three hundred nine.

### Scientific notation

• Scientific notation: 3.89309 × 105

### Factors of 389309

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 5406

### Divisors of 389309

• Number of divisors d(n): 4
• Complete list of divisors:
• Sum of all divisors σ(n): 394716
• Sum of proper divisors (its aliquot sum) s(n): 5407
• 389309 is a deficient number, because the sum of its proper divisors (5407) is less than itself. Its deficiency is 383902

### Bases of 389309

• Binary: 10111110000101111012
• Base-36: 8CE5

### Squares and roots of 389309

• 389309 squared (3893092) is 151561497481
• 389309 cubed (3893093) is 59004255022830629
• The square root of 389309 is 623.9463117929
• The cube root of 389309 is 73.0182602721

### Scales and comparisons

How big is 389309?
• 389,309 seconds is equal to 4 days, 12 hours, 8 minutes, 29 seconds.
• To count from 1 to 389,309 would take you about four days.

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 389309 cubic inches would be around 6.1 feet tall.

### Recreational maths with 389309

• 389309 backwards is 903983
• The number of decimal digits it has is: 6
• The sum of 389309's digits is 32
• More coming soon!

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The information we have on file for 389309 includes mathematical data and numerical statistics calculated using standard algorithms and methods. We are adding more all the time. If there are any features you would like to see, please contact us. Information provided for educational use, intellectual curiosity and fun!

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