# 171321921

## 171,321,921 is an odd composite number composed of two prime numbers multiplied together.

What does the number 171321921 look like?

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

171321921 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 171321921:

### 32 × 43632

(3 × 3 × 4363 × 4363)

See below for interesting mathematical facts about the number 171321921 from the Numbermatics database.

### Names of 171321921

• Cardinal: 171321921 can be written as One hundred seventy-one million, three hundred twenty-one thousand, nine hundred twenty-one.

### Scientific notation

• Scientific notation: 1.71321921 × 108

### Factors of 171321921

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 4
• Sum of prime factors: 4366

### Divisors of 171321921

• Number of divisors d(n): 9
• Complete list of divisors:
• Sum of all divisors σ(n): 247521729
• Sum of proper divisors (its aliquot sum) s(n): 76199808
• 171321921 is a deficient number, because the sum of its proper divisors (76199808) is less than itself. Its deficiency is 95122113

### Bases of 171321921

• Binary: 10100011011000101010010000012
• Base-36: 2U00U9

### Squares and roots of 171321921

• 171321921 squared (1713219212) is 29351200615130241
• 171321921 cubed (1713219213) is 5028504073040494553312961
• 171321921 is a perfect square number. Its square root is 13089
• The cube root of 171321921 is 555.3980003721

### Scales and comparisons

How big is 171321921?
• 171,321,921 seconds is equal to 5 years, 23 weeks, 1 day, 21 hours, 25 minutes, 21 seconds.
• To count from 1 to 171,321,921 would take you about eight years!

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 171321921 cubic inches would be around 46.3 feet tall.

### Recreational maths with 171321921

• 171321921 backwards is 129123171
• The number of decimal digits it has is: 9
• The sum of 171321921's digits is 27
• More coming soon!