42720775

42,720,775 is an odd composite number composed of three prime numbers multiplied together.

What does the number 42720775 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 12 divisors.

42720775 is an odd composite number. It is composed of three distinct prime numbers multiplied together. It has a total of twelve divisors.

Prime factorization of 42720775:

5² × 23 × 74297

(5 × 5 × 23 × 74297)

See below for interesting mathematical facts about the number 42720775 from the Numbermatics database.

Names of 42720775

Cardinal: 42720775 can be written as Forty-two million, seven hundred twenty thousand, seven hundred seventy-five.

Scientific notation

Scientific notation: 4.2720775 × 10⁷

Factors of 42720775

Number of distinct prime factors ω(n): 3
Total number of prime factors Ω(n): 4
Sum of prime factors: 74325

Divisors of 42720775

Number of divisors d(n): 12
Complete list of divisors:
1 5 23 25 115 575 74297 371485 1708831 1857425 8544155 42720775
Sum of all divisors σ(n): 55277712
Sum of proper divisors (its aliquot sum) s(n): 12556937
42720775 is a deficient number, because the sum of its proper divisors (12556937) is less than itself. Its deficiency is 30163838

Bases of 42720775

Binary: 10100010111101111000000111₂
Hexadecimal: 0x28BDE07
Base-36: PFNK7

Squares and roots of 42720775

42720775 squared (42720775²) is 1825064616600625
42720775 cubed (42720775³) is 77968174846256565484375
The square root of 42720775 is 6536.1131416155
The cube root of 42720775 is 349.5798359439

Scales and comparisons

How big is 42720775?

42,720,775 seconds is equal to 1 year, 18 weeks, 4 days, 10 hours, 52 minutes, 55 seconds.
To count from 1 to 42,720,775 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 42720775 cubic inches would be around 29.1 feet tall.

Recreational maths with 42720775

42720775 backwards is 57702724
The number of decimal digits it has is: 8
The sum of 42720775's digits is 34
More coming soon!

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The information we have on file for 42720775 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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