# 1399489

## 1,399,489 is an odd composite number composed of two prime numbers multiplied together.

What does the number 1399489 look like?

This visualization shows the relationship between its 2 prime factors (large circles) and 15 divisors.

1399489 is an odd composite number. It is composed of two distinct prime numbers multiplied together. It has a total of fifteen divisors.

## Prime factorization of 1399489:

### 72 × 134

(7 × 7 × 13 × 13 × 13 × 13)

See below for interesting mathematical facts about the number 1399489 from the Numbermatics database.

### Names of 1399489

• Cardinal: 1399489 can be written as One million, three hundred ninety-nine thousand, four hundred eighty-nine.

### Scientific notation

• Scientific notation: 1.399489 × 106

### Factors of 1399489

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 20

### Divisors of 1399489

• Number of divisors d(n): 15
• Complete list of divisors:
• Sum of all divisors σ(n): 1763637
• Sum of proper divisors (its aliquot sum) s(n): 364148
• 1399489 is a deficient number, because the sum of its proper divisors (364148) is less than itself. Its deficiency is 1035341

### Bases of 1399489

• Binary: 1010101011010110000012
• Base-36: TZUP

### Squares and roots of 1399489

• 1399489 squared (13994892) is 1958569461121
• 1399489 cubed (13994893) is 2740996416574767169
• 1399489 is a perfect square number. Its square root is 1183
• The cube root of 1399489 is 111.8552818363

### Scales and comparisons

How big is 1399489?
• 1,399,489 seconds is equal to 2 weeks, 2 days, 4 hours, 44 minutes, 49 seconds.
• To count from 1 to 1,399,489 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 1399489 cubic inches would be around 9.3 feet tall.

### Recreational maths with 1399489

• 1399489 backwards is 9849931
• The number of decimal digits it has is: 7
• The sum of 1399489's digits is 43
• More coming soon!