842385

842,385 is an odd composite number composed of four prime numbers multiplied together.

What does the number 842385 look like?

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

842385 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 842385:

3 × 5 × 89 × 631

See below for interesting mathematical facts about the number 842385 from the Numbermatics database.

Names of 842385

Cardinal: 842385 can be written as Eight hundred forty-two thousand, three hundred eighty-five.

Scientific notation

Scientific notation: 8.42385 × 10⁵

Factors of 842385

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 4
Sum of prime factors: 728

Divisors of 842385

Number of divisors d(n): 16
Complete list of divisors:
1 3 5 15 89 267 445 631 1335 1893 3155 9465 56159 168477 280795 842385
Sum of all divisors σ(n): 1365120
Sum of proper divisors (its aliquot sum) s(n): 522735
842385 is a deficient number, because the sum of its proper divisors (522735) is less than itself. Its deficiency is 319650

Bases of 842385

Binary: 11001101101010010001₂
Hexadecimal: 0xCDA91
Base-36: I1ZL

Squares and roots of 842385

842385 squared (842385²) is 709612488225
842385 cubed (842385³) is 597766915893416625
The square root of 842385 is 917.8153409047
The cube root of 842385 is 94.4430944315

Scales and comparisons

How big is 842385?

842,385 seconds is equal to 1 week, 2 days, 17 hours, 59 minutes, 45 seconds.
To count from 1 to 842,385 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 842385 cubic inches would be around 7.9 feet tall.

Recreational maths with 842385

842385 backwards is 583248
The number of decimal digits it has is: 6
The sum of 842385's digits is 30
More coming soon!

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The information we have on file for 842385 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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