# 157421

## 157,421 is an odd composite number composed of two prime numbers multiplied together.

What does the number 157421 look like?

This visualization shows the relationship between its 2 prime factors (large circles) and 6 divisors.

157421 is an odd composite number. It is composed of two distinct prime numbers multiplied together. It has a total of six divisors.

## Prime factorization of 157421:

### 112 × 1301

(11 × 11 × 1301)

See below for interesting mathematical facts about the number 157421 from the Numbermatics database.

### Names of 157421

• Cardinal: 157421 can be written as One hundred fifty-seven thousand, four hundred twenty-one.

### Scientific notation

• Scientific notation: 1.57421 × 105

### Factors of 157421

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 1312

### Divisors of 157421

• Number of divisors d(n): 6
• Complete list of divisors:
• Sum of all divisors σ(n): 173166
• Sum of proper divisors (its aliquot sum) s(n): 15745
• 157421 is a deficient number, because the sum of its proper divisors (15745) is less than itself. Its deficiency is 141676

### Bases of 157421

• Binary: 1001100110111011012
• Base-36: 3DGT

### Squares and roots of 157421

• 157421 squared (1574212) is 24781371241
• 157421 cubed (1574213) is 3901108242129461
• The square root of 157421 is 396.7631535311
• The cube root of 157421 is 53.9950841433

### Scales and comparisons

How big is 157421?
• 157,421 seconds is equal to 1 day, 19 hours, 43 minutes, 41 seconds.
• To count from 1 to 157,421 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 157421 cubic inches would be around 4.5 feet tall.

### Recreational maths with 157421

• 157421 backwards is 124751
• The number of decimal digits it has is: 6
• The sum of 157421's digits is 20
• More coming soon!

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"Number 157421 - Facts about the integer". Numbermatics.com. 2022. Web. 16 August 2022.

APA style:
Numbermatics. (2022). Number 157421 - Facts about the integer. Retrieved 16 August 2022, from https://numbermatics.com/n/157421/

Chicago style:
Numbermatics. 2022. "Number 157421 - Facts about the integer". https://numbermatics.com/n/157421/

The information we have on file for 157421 includes mathematical data and numerical statistics calculated using standard algorithms and methods. We are adding more all the time. If there are any features you would like to see, please contact us. Information provided for educational use, intellectual curiosity and fun!

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