# 189921

## 189,921 is an odd composite number composed of four prime numbers multiplied together.

What does the number 189921 look like?

This visualization shows the relationship between its 4 prime factors (large circles) and 16 divisors.

189921 is an odd composite number. It is composed of four distinct prime numbers multiplied together. It has a total of sixteen divisors.

## Prime factorization of 189921:

### 3 × 29 × 37 × 59

See below for interesting mathematical facts about the number 189921 from the Numbermatics database.

### Names of 189921

• Cardinal: 189921 can be written as One hundred eighty-nine thousand, nine hundred twenty-one.

### Scientific notation

• Scientific notation: 1.89921 × 105

### Factors of 189921

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 4
• Sum of prime factors: 128

### Divisors of 189921

• Number of divisors d(n): 16
• Complete list of divisors:
• Sum of all divisors σ(n): 273600
• Sum of proper divisors (its aliquot sum) s(n): 83679
• 189921 is a deficient number, because the sum of its proper divisors (83679) is less than itself. Its deficiency is 106242

### Bases of 189921

• Binary: 1011100101111000012
• Base-36: 42JL

### Squares and roots of 189921

• 189921 squared (1899212) is 36069986241
• 189921 cubed (1899213) is 6850447856876961
• The square root of 189921 is 435.7992657177
• The cube root of 189921 is 57.4810019153

### Scales and comparisons

How big is 189921?
• 189,921 seconds is equal to 2 days, 4 hours, 45 minutes, 21 seconds.
• To count from 1 to 189,921 would take you about two days.

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 189921 cubic inches would be around 4.8 feet tall.

### Recreational maths with 189921

• 189921 backwards is 129981
• The number of decimal digits it has is: 6
• The sum of 189921's digits is 30
• More coming soon!