42540729

42,540,729 is an odd composite number composed of five prime numbers multiplied together.

What does the number 42540729 look like?

This visualization shows the relationship between its 5 prime factors (large circles) and 32 divisors.

42540729 is an odd composite number. It is composed of five distinct prime numbers multiplied together. It has a total of thirty-two divisors.

Prime factorization of 42540729:

3 × 7 × 11 × 61 × 3019

See below for interesting mathematical facts about the number 42540729 from the Numbermatics database.

Names of 42540729

Cardinal: 42540729 can be written as Forty-two million, five hundred forty thousand, seven hundred twenty-nine.

Scientific notation

Scientific notation: 4.2540729 × 10⁷

Factors of 42540729

Number of distinct prime factors ω(n): 5
Total number of prime factors Ω(n): 5
Sum of prime factors: 3101

Divisors of 42540729

Number of divisors d(n): 32
Complete list of divisors:
1 3 7 11 21 33 61 77 183 231 427 671 1281 2013 3019 4697 9057 14091 21133 33209 63399 99627 184159 232463 552477 697389 1289113 2025749 3867339 6077247 14180243 42540729
Sum of all divisors σ(n): 71900160
Sum of proper divisors (its aliquot sum) s(n): 29359431
42540729 is a deficient number, because the sum of its proper divisors (29359431) is less than itself. Its deficiency is 13181298

Bases of 42540729

Binary: 10100010010001111010111001₂
Hexadecimal: 0x2891EB9
Base-36: PBSMX

Squares and roots of 42540729

42540729 squared (42540729²) is 1809713623851441
42540729 cubed (42540729³) is 76986536839872087840489
The square root of 42540729 is 6522.3254288635
The cube root of 42540729 is 349.0880449339

Scales and comparisons

How big is 42540729?

42,540,729 seconds is equal to 1 year, 18 weeks, 2 days, 8 hours, 52 minutes, 9 seconds.
To count from 1 to 42,540,729 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 42540729 cubic inches would be around 29.1 feet tall.

Recreational maths with 42540729

42540729 backwards is 92704524
42540729 is a Harshad number.
The number of decimal digits it has is: 8
The sum of 42540729's digits is 33
More coming soon!

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The information we have on file for 42540729 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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