139005729

139,005,729 is an odd composite number composed of four prime numbers multiplied together.

What does the number 139005729 look like?

This visualization shows the relationship between its 4 prime factors (large circles) and 24 divisors.

139005729 is an odd composite number. It is composed of four distinct prime numbers multiplied together. It has a total of twenty-four divisors.

Prime factorization of 139005729:

3² × 19 × 29 × 28031

(3 × 3 × 19 × 29 × 28031)

See below for interesting mathematical facts about the number 139005729 from the Numbermatics database.

Names of 139005729

Cardinal: 139005729 can be written as One hundred thirty-nine million, five thousand, seven hundred twenty-nine.

Scientific notation

Scientific notation: 1.39005729 × 10⁸

Factors of 139005729

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 5
Sum of prime factors: 28082

Divisors of 139005729

Number of divisors d(n): 24
Complete list of divisors:
1 3 9 19 29 57 87 171 261 551 1653 4959 28031 84093 252279 532589 812899 1597767 2438697 4793301 7316091 15445081 46335243 139005729
Sum of all divisors σ(n): 218649600
Sum of proper divisors (its aliquot sum) s(n): 79643871
139005729 is a deficient number, because the sum of its proper divisors (79643871) is less than itself. Its deficiency is 59361858

Bases of 139005729

Binary: 1000010010010000111100100001₂
Hexadecimal: 0x8490F21
Base-36: 2ARDI9

Squares and roots of 139005729

139005729 squared (139005729²) is 19322592694821441
139005729 cubed (139005729³) is 2685951083713728931035489
The square root of 139005729 is 11790.0690837671
The cube root of 139005729 is 518.0172633791

Scales and comparisons

How big is 139005729?

139,005,729 seconds is equal to 4 years, 21 weeks, 5 days, 20 hours, 42 minutes, 9 seconds.
To count from 1 to 139,005,729 would take you about six 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 139005729 cubic inches would be around 43.2 feet tall.

Recreational maths with 139005729

139005729 backwards is 927500931
The number of decimal digits it has is: 9
The sum of 139005729's digits is 36
More coming soon!

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The information we have on file for 139005729 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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