381209842

381,209,842 is an even composite number composed of four prime numbers multiplied together.

What does the number 381209842 look like?

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

381209842 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of sixteen divisors.

Prime factorization of 381209842:

2 × 13 × 109 × 134513

See below for interesting mathematical facts about the number 381209842 from the Numbermatics database.

Names of 381209842

Cardinal: 381209842 can be written as Three hundred eighty-one million, two hundred nine thousand, eight hundred forty-two.

Scientific notation

Scientific notation: 3.81209842 × 10⁸

Factors of 381209842

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 4
Sum of prime factors: 134637

Divisors of 381209842

Number of divisors d(n): 16
Complete list of divisors:
1 2 13 26 109 218 1417 2834 134513 269026 1748669 3497338 14661917 29323834 190604921 381209842
Sum of all divisors σ(n): 621454680
Sum of proper divisors (its aliquot sum) s(n): 240244838
381209842 is a deficient number, because the sum of its proper divisors (240244838) is less than itself. Its deficiency is 140965004

Bases of 381209842

Binary: 10110101110001100110011110010₂
Hexadecimal: 0x16B8CCF2
Base-36: 6AYNEA

Squares and roots of 381209842

381209842 squared (381209842²) is 145320943637664964
381209842 cubed (381209842³) is 55397773963405166175375688
The square root of 381209842 is 19524.5958216809
The cube root of 381209842 is 725.0835207783

Scales and comparisons

How big is 381209842?

381,209,842 seconds is equal to 12 years, 6 weeks, 2 days, 3 hours, 37 minutes, 22 seconds.
To count from 1 to 381,209,842 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 381209842 cubic inches would be around 60.4 feet tall.

Recreational maths with 381209842

381209842 backwards is 248902183
The number of decimal digits it has is: 9
The sum of 381209842's digits is 37
More coming soon!

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The information we have on file for 381209842 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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