# 1329440

## 1,329,440 is an even composite number composed of four prime numbers multiplied together.

What does the number 1329440 look like?

This visualization shows the relationship between its 4 prime factors (large circles) and 48 divisors.

1329440 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of forty-eight divisors.

## Prime factorization of 1329440:

### 25 × 5 × 7 × 1187

(2 × 2 × 2 × 2 × 2 × 5 × 7 × 1187)

See below for interesting mathematical facts about the number 1329440 from the Numbermatics database.

### Names of 1329440

• Cardinal: 1329440 can be written as One million, three hundred twenty-nine thousand, four hundred forty.

### Scientific notation

• Scientific notation: 1.32944 × 106

### Factors of 1329440

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 1201

### Divisors of 1329440

• Number of divisors d(n): 48
• Complete list of divisors:
• Sum of all divisors σ(n): 3592512
• Sum of proper divisors (its aliquot sum) s(n): 2263072
• 1329440 is an abundant number, because the sum of its proper divisors (2263072) is greater than itself. Its abundance is 933632

### Bases of 1329440

• Binary: 1010001001001001000002
• Base-36: SHSW

### Squares and roots of 1329440

• 1329440 squared (13294402) is 1767410713600
• 1329440 cubed (13294403) is 2349666499088384000
• The square root of 1329440 is 1153.0134431133
• The cube root of 1329440 is 109.9570079929

### Scales and comparisons

How big is 1329440?
• 1,329,440 seconds is equal to 2 weeks, 9 hours, 17 minutes, 20 seconds.
• To count from 1 to 1,329,440 would take you about three 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 1329440 cubic inches would be around 9.2 feet tall.

### Recreational maths with 1329440

• 1329440 backwards is 0449231
• The number of decimal digits it has is: 7
• The sum of 1329440's digits is 23
• More coming soon!