51138021

51,138,021 is an odd composite number composed of four prime numbers multiplied together.

What does the number 51138021 look like?

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

51138021 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 51138021:

3 × 11 × 47 × 32971

See below for interesting mathematical facts about the number 51138021 from the Numbermatics database.

Names of 51138021

Cardinal: 51138021 can be written as Fifty-one million, one hundred thirty-eight thousand and twenty-one.

Scientific notation

Scientific notation: 5.1138021 × 10⁷

Factors of 51138021

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 4
Sum of prime factors: 33032

Divisors of 51138021

Number of divisors d(n): 16
Complete list of divisors:
1 3 11 33 47 141 517 1551 32971 98913 362681 1088043 1549637 4648911 17046007 51138021
Sum of all divisors σ(n): 75967488
Sum of proper divisors (its aliquot sum) s(n): 24829467
51138021 is a deficient number, because the sum of its proper divisors (24829467) is less than itself. Its deficiency is 26308554

Bases of 51138021

Binary: 11000011000100110111100101₂
Hexadecimal: 0x30C4DE5
Base-36: UG2CL

Squares and roots of 51138021

51138021 squared (51138021²) is 2615097191796441
51138021 cubed (51138021³) is 133730895111127427583261
The square root of 51138021 is 7151.0853022461
The cube root of 51138021 is 371.1772123169

Scales and comparisons

How big is 51138021?

51,138,021 seconds is equal to 1 year, 32 weeks, 3 days, 21 hours, 21 seconds.
To count from 1 to 51,138,021 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 51138021 cubic inches would be around 30.9 feet tall.

Recreational maths with 51138021

51138021 backwards is 12083115
The number of decimal digits it has is: 8
The sum of 51138021's digits is 21
More coming soon!

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The information we have on file for 51138021 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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