42138691

42,138,691 is an odd composite number composed of four prime numbers multiplied together.

What does the number 42138691 look like?

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

42138691 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 42138691:

7 × 23 × 227 × 1153

See below for interesting mathematical facts about the number 42138691 from the Numbermatics database.

Names of 42138691

Cardinal: 42138691 can be written as Forty-two million, one hundred thirty-eight thousand, six hundred ninety-one.

Scientific notation

Scientific notation: 4.2138691 × 10⁷

Factors of 42138691

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 4
Sum of prime factors: 1410

Divisors of 42138691

Number of divisors d(n): 16
Complete list of divisors:
1 7 23 161 227 1153 1589 5221 8071 26519 36547 185633 261731 1832117 6019813 42138691
Sum of all divisors σ(n): 50517504
Sum of proper divisors (its aliquot sum) s(n): 8378813
42138691 is a deficient number, because the sum of its proper divisors (8378813) is less than itself. Its deficiency is 33759878

Bases of 42138691

Binary: 10100000101111110001000011₂
Hexadecimal: 0x282FC43
Base-36: P36F7

Squares and roots of 42138691

42138691 squared (42138691²) is 1775669279193481
42138691 cubed (42138691³) is 74824379074126825073371
The square root of 42138691 is 6491.4321224211
The cube root of 42138691 is 347.9848580851

Scales and comparisons

How big is 42138691?

42,138,691 seconds is equal to 1 year, 17 weeks, 4 days, 17 hours, 11 minutes, 31 seconds.
To count from 1 to 42,138,691 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 42138691 cubic inches would be around 29 feet tall.

Recreational maths with 42138691

42138691 backwards is 19683124
The number of decimal digits it has is: 8
The sum of 42138691's digits is 34
More coming soon!

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The information we have on file for 42138691 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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