381872

381,872 is an even composite number composed of three prime numbers multiplied together.

What does the number 381872 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 20 divisors.

381872 is an even composite number. It is composed of three distinct prime numbers multiplied together. It has a total of twenty divisors.

Prime factorization of 381872:

2⁴ × 29 × 823

(2 × 2 × 2 × 2 × 29 × 823)

See below for interesting mathematical facts about the number 381872 from the Numbermatics database.

Names of 381872

Cardinal: 381872 can be written as Three hundred eighty-one thousand, eight hundred seventy-two.

Scientific notation

Scientific notation: 3.81872 × 10⁵

Factors of 381872

Number of distinct prime factors ω(n): 3
Total number of prime factors Ω(n): 6
Sum of prime factors: 854

Divisors of 381872

Number of divisors d(n): 20
Complete list of divisors:
1 2 4 8 16 29 58 116 232 464 823 1646 3292 6584 13168 23867 47734 95468 190936 381872
Sum of all divisors σ(n): 766320
Sum of proper divisors (its aliquot sum) s(n): 384448
381872 is an abundant number, because the sum of its proper divisors (384448) is greater than itself. Its abundance is 2576

Bases of 381872

Binary: 1011101001110110000₂
Hexadecimal: 0x5D3B0
Base-36: 86NK

Squares and roots of 381872

381872 squared (381872²) is 145826224384
381872 cubed (381872³) is 55686951957966848
The square root of 381872 is 617.9579273705
The cube root of 381872 is 72.5503099081

Scales and comparisons

How big is 381872?

381,872 seconds is equal to 4 days, 10 hours, 4 minutes, 32 seconds.
To count from 1 to 381,872 would take you about four days.

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 381872 cubic inches would be around 6 feet tall.

Recreational maths with 381872

381872 backwards is 278183
381872 is a Harshad number.
The number of decimal digits it has is: 6
The sum of 381872's digits is 29
More coming soon!

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The information we have on file for 381872 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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