# 2989440

## 2,989,440 is an even composite number composed of four prime numbers multiplied together.

What does the number 2989440 look like?

This visualization shows the relationship between its 4 prime factors (large circles) and 128 divisors.

2989440 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of one hundred twenty-eight divisors.

## Prime factorization of 2989440:

### 27 × 33 × 5 × 173

(2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 3 × 5 × 173)

See below for interesting mathematical facts about the number 2989440 from the Numbermatics database.

### Names of 2989440

• Cardinal: 2989440 can be written as Two million, nine hundred eighty-nine thousand, four hundred forty.

### Scientific notation

• Scientific notation: 2.98944 × 106

### Factors of 2989440

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 183

### Divisors of 2989440

• Number of divisors d(n): 128
• Complete list of divisors:
• Sum of all divisors σ(n): 10648800
• Sum of proper divisors (its aliquot sum) s(n): 7659360
• 2989440 is an abundant number, because the sum of its proper divisors (7659360) is greater than itself. Its abundance is 4669920

### Bases of 2989440

• Binary: 10110110011101100000002
• Base-36: 1S2O0

### Squares and roots of 2989440

• 2989440 squared (29894402) is 8936751513600
• 2989440 cubed (29894403) is 26715882444816384000
• The square root of 2989440 is 1728.9997108155
• The cube root of 2989440 is 144.0555341359

### Scales and comparisons

How big is 2989440?
• 2,989,440 seconds is equal to 4 weeks, 6 days, 14 hours, 24 minutes.
• To count from 1 to 2,989,440 would take you about seven 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 2989440 cubic inches would be around 12 feet tall.

### Recreational maths with 2989440

• 2989440 backwards is 0449892
• 2989440 is a Harshad number.
• The number of decimal digits it has is: 7
• The sum of 2989440's digits is 36
• More coming soon!