# 720801

## 720,801 is an odd composite number composed of two prime numbers multiplied together.

What does the number 720801 look like?

This visualization shows the relationship between its 2 prime factors (large circles) and 9 divisors.

720801 is an odd composite number. It is composed of two distinct prime numbers multiplied together. It has a total of nine divisors.

## Prime factorization of 720801:

### 32 × 2832

(3 × 3 × 283 × 283)

See below for interesting mathematical facts about the number 720801 from the Numbermatics database.

### Names of 720801

• Cardinal: 720801 can be written as Seven hundred twenty thousand, eight hundred one.

### Scientific notation

• Scientific notation: 7.20801 × 105

### Factors of 720801

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 4
• Sum of prime factors: 286

### Divisors of 720801

• Number of divisors d(n): 9
• Complete list of divisors:
• Sum of all divisors σ(n): 1044849
• Sum of proper divisors (its aliquot sum) s(n): 324048
• 720801 is a deficient number, because the sum of its proper divisors (324048) is less than itself. Its deficiency is 396753

### Bases of 720801

• Binary: 101011111111101000012
• Base-36: FG69

### Squares and roots of 720801

• 720801 squared (7208012) is 519554081601
• 720801 cubed (7208013) is 374495101572082401
• 720801 is a perfect square number. Its square root is 849
• The cube root of 720801 is 89.6613196985

### Scales and comparisons

How big is 720801?
• 720,801 seconds is equal to 1 week, 1 day, 8 hours, 13 minutes, 21 seconds.
• To count from 1 to 720,801 would take you about eight hours!

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 720801 cubic inches would be around 7.5 feet tall.

### Recreational maths with 720801

• 720801 backwards is 108027
• The number of decimal digits it has is: 6
• The sum of 720801's digits is 18
• More coming soon!