42185728

42,185,728 is an even composite number composed of three prime numbers multiplied together.

What does the number 42185728 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 44 divisors.

42185728 is an even composite number. It is composed of three distinct prime numbers multiplied together. It has a total of forty-four divisors.

Prime factorization of 42185728:

2¹⁰ × 13 × 3169

(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 13 × 3169)

See below for interesting mathematical facts about the number 42185728 from the Numbermatics database.

Names of 42185728

Cardinal: 42185728 can be written as Forty-two million, one hundred eighty-five thousand, seven hundred twenty-eight.

Scientific notation

Scientific notation: 4.2185728 × 10⁷

Factors of 42185728

Number of distinct prime factors ω(n): 3
Total number of prime factors Ω(n): 12
Sum of prime factors: 3184

Divisors of 42185728

Number of divisors d(n): 44
Complete list of divisors:
1 2 4 8 13 16 26 32 52 64 104 128 208 256 416 512 832 1024 1664 3169 3328 6338 6656 12676 13312 25352 41197 50704 82394 101408 164788 202816 329576 405632 659152 811264 1318304 1622528 2636608 3245056 5273216 10546432 21092864 42185728
Sum of all divisors σ(n): 90845860
Sum of proper divisors (its aliquot sum) s(n): 48660132
42185728 is an abundant number, because the sum of its proper divisors (48660132) is greater than itself. Its abundance is 6474404

Bases of 42185728

Binary: 10100000111011010000000000₂
Hexadecimal: 0x283B400
Base-36: P46PS

Squares and roots of 42185728

42185728 squared (42185728²) is 1779635646889984
42185728 cubed (42185728³) is 75075225338804910948352
The square root of 42185728 is 6495.0541183273
The cube root of 42185728 is 348.1142884407

Scales and comparisons

How big is 42185728?

42,185,728 seconds is equal to 1 year, 17 weeks, 5 days, 6 hours, 15 minutes, 28 seconds.
To count from 1 to 42,185,728 would take you about two 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 42185728 cubic inches would be around 29 feet tall.

Recreational maths with 42185728

42185728 backwards is 82758124
The number of decimal digits it has is: 8
The sum of 42185728's digits is 37
More coming soon!

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The information we have on file for 42185728 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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