# 156800

## 156,800 is an even composite number composed of three prime numbers multiplied together.

What does the number 156800 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 72 divisors.

156800 is an even composite number. It is composed of three distinct prime numbers multiplied together. It has a total of seventy-two divisors.

## Prime factorization of 156800:

### 27 × 52 × 72

(2 × 2 × 2 × 2 × 2 × 2 × 2 × 5 × 5 × 7 × 7)

See below for interesting mathematical facts about the number 156800 from the Numbermatics database.

### Names of 156800

• Cardinal: 156800 can be written as One hundred fifty-six thousand, eight hundred.

### Scientific notation

• Scientific notation: 1.568 × 105

### Factors of 156800

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 14

### Divisors of 156800

• Number of divisors d(n): 72
• Complete list of divisors:
• Sum of all divisors σ(n): 450585
• Sum of proper divisors (its aliquot sum) s(n): 293785
• 156800 is an abundant number, because the sum of its proper divisors (293785) is greater than itself. Its abundance is 136985

### Bases of 156800

• Binary: 1001100100100000002
• Base-36: 3CZK

### Squares and roots of 156800

• 156800 squared (1568002) is 24586240000
• 156800 cubed (1568003) is 3855122432000000
• The square root of 156800 is 395.9797974645
• The cube root of 156800 is 53.9239899955

### Scales and comparisons

How big is 156800?
• 156,800 seconds is equal to 1 day, 19 hours, 33 minutes, 20 seconds.
• To count from 1 to 156,800 would take you about nineteen 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 156800 cubic inches would be around 4.5 feet tall.

### Recreational maths with 156800

• 156800 backwards is 008651
• 156800 is a Harshad number.
• The number of decimal digits it has is: 6
• The sum of 156800's digits is 20
• More coming soon!