42728169

42,728,169 is an odd composite number composed of four prime numbers multiplied together.

What does the number 42728169 look like?

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

42728169 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 42728169:

3 × 11 × 19 × 68147

See below for interesting mathematical facts about the number 42728169 from the Numbermatics database.

Names of 42728169

Cardinal: 42728169 can be written as Forty-two million, seven hundred twenty-eight thousand, one hundred sixty-nine.

Scientific notation

Scientific notation: 4.2728169 × 10⁷

Factors of 42728169

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 4
Sum of prime factors: 68180

Divisors of 42728169

Number of divisors d(n): 16
Complete list of divisors:
1 3 11 19 33 57 209 627 68147 204441 749617 1294793 2248851 3884379 14242723 42728169
Sum of all divisors σ(n): 65422080
Sum of proper divisors (its aliquot sum) s(n): 22693911
42728169 is a deficient number, because the sum of its proper divisors (22693911) is less than itself. Its deficiency is 20034258

Bases of 42728169

Binary: 10100010111111101011101001₂
Hexadecimal: 0x28BFAE9
Base-36: PFT9L

Squares and roots of 42728169

42728169 squared (42728169²) is 1825696426092561
42728169 cubed (42728169³) is 78008665436778956050809
The square root of 42728169 is 6536.6787438271
The cube root of 42728169 is 349.6000029019

Scales and comparisons

How big is 42728169?

42,728,169 seconds is equal to 1 year, 18 weeks, 4 days, 12 hours, 56 minutes, 9 seconds.
To count from 1 to 42,728,169 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 42728169 cubic inches would be around 29.1 feet tall.

Recreational maths with 42728169

42728169 backwards is 96182724
The number of decimal digits it has is: 8
The sum of 42728169's digits is 39
More coming soon!

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The information we have on file for 42728169 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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