# 42157123684

## 42,157,123,684 is an even composite number composed of four prime numbers multiplied together.

What does the number 42157123684 look like?

This visualization shows the relationship between its 4 prime factors (large circles) and 81 divisors.

42157123684 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of eighty-one divisors.

## Prime factorization of 42157123684:

### 22 × 132 × 532 × 1492

(2 × 2 × 13 × 13 × 53 × 53 × 149 × 149)

See below for interesting mathematical facts about the number 42157123684 from the Numbermatics database.

### Names of 42157123684

• Cardinal: 42157123684 can be written as Forty-two billion, one hundred fifty-seven million, one hundred twenty-three thousand, six hundred eighty-four.

### Scientific notation

• Scientific notation: 4.2157123684 × 1010

### Factors of 42157123684

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 217

### Divisors of 42157123684

• Number of divisors d(n): 81
• Complete list of divisors:
• Sum of all divisors σ(n): 81972359553
• Sum of proper divisors (its aliquot sum) s(n): 39815235869
• 42157123684 is a deficient number, because the sum of its proper divisors (39815235869) is less than itself. Its deficiency is 2341887815

### Bases of 42157123684

• Binary: 1001110100001100001010101000011001002
• Base-36: JD79GTG

### Squares and roots of 42157123684

• 42157123684 squared (421571236842) is 1777223077308073731856
• 42157123684 cubed (421571236843) is 74922613084135558085644842877504
• 42157123684 is a perfect square number. Its square root is 205322
• The cube root of 42157123684 is 3480.3559024077

### Scales and comparisons

How big is 42157123684?
• 42,157,123,684 seconds is equal to 1,340 years, 24 weeks, 1 day, 16 hours, 8 minutes, 4 seconds.
• To count from 1 to 42,157,123,684 would take you about two thousand, six hundred eighty 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 42157123684 cubic inches would be around 290 feet tall.

### Recreational maths with 42157123684

• 42157123684 backwards is 48632175124
• The number of decimal digits it has is: 11
• The sum of 42157123684's digits is 43
• More coming soon!

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The information we have on file for 42157123684 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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