78242

78,242 is an even composite number composed of four prime numbers multiplied together.

What does the number 78242 look like?

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

78242 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of sixteen divisors.

Prime factorization of 78242:

2 × 19 × 29 × 71

See below for interesting mathematical facts about the number 78242 from the Numbermatics database.

Names of 78242

Cardinal: 78242 can be written as Seventy-eight thousand, two hundred forty-two.

Scientific notation

Scientific notation: 7.8242 × 10⁴

Factors of 78242

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 4
Sum of prime factors: 121

Divisors of 78242

Number of divisors d(n): 16
Complete list of divisors:
1 2 19 29 38 58 71 142 551 1102 1349 2059 2698 4118 39121 78242
Sum of all divisors σ(n): 129600
Sum of proper divisors (its aliquot sum) s(n): 51358
78242 is a deficient number, because the sum of its proper divisors (51358) is less than itself. Its deficiency is 26884

Bases of 78242

Binary: 10011000110100010₂
Hexadecimal: 0x131A2
Base-36: 1ODE

Squares and roots of 78242

78242 squared (78242²) is 6121810564
78242 cubed (78242³) is 478982702148488
The square root of 78242 is 279.7177148485
The cube root of 78242 is 42.7707285225

Scales and comparisons

How big is 78242?

78,242 seconds is equal to 21 hours, 44 minutes, 2 seconds.
To count from 1 to 78,242 would take you about twenty-one 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 78242 cubic inches would be around 3.6 feet tall.

Recreational maths with 78242

78242 backwards is 24287
The number of decimal digits it has is: 5
The sum of 78242's digits is 23
More coming soon!

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The information we have on file for 78242 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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