389870

389,870 is an even composite number composed of four prime numbers multiplied together.

What does the number 389870 look like?

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

389870 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 389870:

2 × 5 × 13 × 2999

See below for interesting mathematical facts about the number 389870 from the Numbermatics database.

Names of 389870

Cardinal: 389870 can be written as Three hundred eighty-nine thousand, eight hundred seventy.

Scientific notation

Scientific notation: 3.8987 × 10⁵

Factors of 389870

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 4
Sum of prime factors: 3019

Divisors of 389870

Number of divisors d(n): 16
Complete list of divisors:
1 2 5 10 13 26 65 130 2999 5998 14995 29990 38987 77974 194935 389870
Sum of all divisors σ(n): 756000
Sum of proper divisors (its aliquot sum) s(n): 366130
389870 is a deficient number, because the sum of its proper divisors (366130) is less than itself. Its deficiency is 23740

Bases of 389870

Binary: 1011111001011101110₂
Hexadecimal: 0x5F2EE
Base-36: 8CTQ

Squares and roots of 389870

389870 squared (389870²) is 151998616900
389870 cubed (389870³) is 59259700770803000
The square root of 389870 is 624.3957078649
The cube root of 389870 is 73.0533169011

Scales and comparisons

How big is 389870?

389,870 seconds is equal to 4 days, 12 hours, 17 minutes, 50 seconds.
To count from 1 to 389,870 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 389870 cubic inches would be around 6.1 feet tall.

Recreational maths with 389870

389870 backwards is 078983
The number of decimal digits it has is: 6
The sum of 389870's digits is 35
More coming soon!

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The information we have on file for 389870 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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