5138721

5,138,721 is an odd composite number composed of four prime numbers multiplied together.

What does the number 5138721 look like?

This visualization shows the relationship between its 4 prime factors (large circles) and 56 divisors.

5138721 is an odd composite number. It is composed of four distinct prime numbers multiplied together. It has a total of fifty-six divisors.

Prime factorization of 5138721:

3⁶ × 7 × 19 × 53

(3 × 3 × 3 × 3 × 3 × 3 × 7 × 19 × 53)

See below for interesting mathematical facts about the number 5138721 from the Numbermatics database.

Names of 5138721

Cardinal: 5138721 can be written as Five million, one hundred thirty-eight thousand, seven hundred twenty-one.

Scientific notation

Scientific notation: 5.138721 × 10⁶

Factors of 5138721

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 9
Sum of prime factors: 82

Divisors of 5138721

Number of divisors d(n): 56
Complete list of divisors:
1 3 7 9 19 21 27 53 57 63 81 133 159 171 189 243 371 399 477 513 567 729 1007 1113 1197 1431 1539 1701 3021 3339 3591 4293 4617 5103 7049 9063 10017 10773 12879 13851 21147 27189 30051 32319 38637 63441 81567 90153 96957 190323 244701 270459 570969 734103 1712907 5138721
Sum of all divisors σ(n): 9443520
Sum of proper divisors (its aliquot sum) s(n): 4304799
5138721 is a deficient number, because the sum of its proper divisors (4304799) is less than itself. Its deficiency is 833922

Bases of 5138721

Binary: 10011100110100100100001₂
Hexadecimal: 0x4E6921
Base-36: 32529

Squares and roots of 5138721

5138721 squared (5138721²) is 26406453515841
5138721 cubed (5138721³) is 135695397217375979361
The square root of 5138721 is 2266.8747208437
The cube root of 5138721 is 172.5645882897

Scales and comparisons

How big is 5138721?

5,138,721 seconds is equal to 8 weeks, 3 days, 11 hours, 25 minutes, 21 seconds.
To count from 1 to 5,138,721 would take you about twelve weeks!

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 5138721 cubic inches would be around 14.4 feet tall.

Recreational maths with 5138721

5138721 backwards is 1278315
5138721 is a Harshad number.
The number of decimal digits it has is: 7
The sum of 5138721's digits is 27
More coming soon!

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The information we have on file for 5138721 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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