# 149721291

## 149,721,291 is an odd composite number composed of two prime numbers multiplied together.

What does the number 149721291 look like?

This visualization shows the relationship between its 2 prime factors (large circles) and 28 divisors.

149721291 is an odd composite number. It is composed of two distinct prime numbers multiplied together. It has a total of twenty-eight divisors.

## Prime factorization of 149721291:

### 36 × 593

(3 × 3 × 3 × 3 × 3 × 3 × 59 × 59 × 59)

See below for interesting mathematical facts about the number 149721291 from the Numbermatics database.

### Names of 149721291

• Cardinal: 149721291 can be written as One hundred forty-nine million, seven hundred twenty-one thousand, two hundred ninety-one.

### Scientific notation

• Scientific notation: 1.49721291 × 108

### Factors of 149721291

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 62

### Divisors of 149721291

• Number of divisors d(n): 28
• Complete list of divisors:
• Sum of all divisors σ(n): 228349560
• Sum of proper divisors (its aliquot sum) s(n): 78628269
• 149721291 is a deficient number, because the sum of its proper divisors (78628269) is less than itself. Its deficiency is 71093022

### Bases of 149721291

• Binary: 10001110110010010000110010112
• Base-36: 2H51OR

### Squares and roots of 149721291

• 149721291 squared (1497212912) is 22416464978706681
• 149721291 cubed (1497212913) is 3356222076268251789645171
• The square root of 149721291 is 12236.0651763547
• 149721291 is a perfect cube number. Its cube root is 531

### Scales and comparisons

How big is 149721291?
• 149,721,291 seconds is equal to 4 years, 39 weeks, 3 days, 21 hours, 14 minutes, 51 seconds.
• To count from 1 to 149,721,291 would take you about seven 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 149721291 cubic inches would be around 44.3 feet tall.

### Recreational maths with 149721291

• 149721291 backwards is 192127941
• The number of decimal digits it has is: 9
• The sum of 149721291's digits is 36
• More coming soon!