381439729

381,439,729 is an odd composite number composed of three prime numbers multiplied together.

What does the number 381439729 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 8 divisors.

381439729 is an odd composite number. It is composed of three distinct prime numbers multiplied together. It has a total of eight divisors.

Prime factorization of 381439729:

11 × 79 × 438941

See below for interesting mathematical facts about the number 381439729 from the Numbermatics database.

Names of 381439729

Cardinal: 381439729 can be written as Three hundred eighty-one million, four hundred thirty-nine thousand, seven hundred twenty-nine.

Scientific notation

Scientific notation: 3.81439729 × 10⁸

Factors of 381439729

Number of distinct prime factors ω(n): 3
Total number of prime factors Ω(n): 3
Sum of prime factors: 439031

Divisors of 381439729

Number of divisors d(n): 8
Complete list of divisors:
1 11 79 869 438941 4828351 34676339 381439729
Sum of all divisors σ(n): 421384320
Sum of proper divisors (its aliquot sum) s(n): 39944591
381439729 is a deficient number, because the sum of its proper divisors (39944591) is less than itself. Its deficiency is 341495138

Bases of 381439729

Binary: 10110101111000100111011110001₂
Hexadecimal: 0x16BC4EF1
Base-36: 6B3KS1

Squares and roots of 381439729

381439729 squared (381439729²) is 145496266859593441
381439729 cubed (381439729³) is 55498056601435003185217489
The square root of 381439729 is 19530.4820473025
The cube root of 381439729 is 725.2292443505

Scales and comparisons

How big is 381439729?

381,439,729 seconds is equal to 12 years, 6 weeks, 4 days, 19 hours, 28 minutes, 49 seconds.
To count from 1 to 381,439,729 would take you about eighteen 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 381439729 cubic inches would be around 60.4 feet tall.

Recreational maths with 381439729

381439729 backwards is 927934183
The number of decimal digits it has is: 9
The sum of 381439729's digits is 46
More coming soon!

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The information we have on file for 381439729 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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