389845

389,845 is an odd composite number composed of two prime numbers multiplied together.

What does the number 389845 look like?

This visualization shows the relationship between its 2 prime factors (large circles) and 4 divisors.

389845 is an odd composite number. It is composed of two distinct prime numbers multiplied together. It has a total of four divisors.

Prime factorization of 389845:

5 × 77969

See below for interesting mathematical facts about the number 389845 from the Numbermatics database.

Names of 389845

Cardinal: 389845 can be written as Three hundred eighty-nine thousand, eight hundred forty-five.

Scientific notation

Scientific notation: 3.89845 × 10⁵

Factors of 389845

Number of distinct prime factors ω(n): 2
Total number of prime factors Ω(n): 2
Sum of prime factors: 77974

Divisors of 389845

Number of divisors d(n): 4
Complete list of divisors:
1 5 77969 389845
Sum of all divisors σ(n): 467820
Sum of proper divisors (its aliquot sum) s(n): 77975
389845 is a deficient number, because the sum of its proper divisors (77975) is less than itself. Its deficiency is 311870

Bases of 389845

Binary: 1011111001011010101₂
Hexadecimal: 0x5F2D5
Base-36: 8CT1

Squares and roots of 389845

389845 squared (389845²) is 151979124025
389845 cubed (389845³) is 59248301605526125
The square root of 389845 is 624.3756881881
The cube root of 389845 is 73.0517553789

Scales and comparisons

How big is 389845?

389,845 seconds is equal to 4 days, 12 hours, 17 minutes, 25 seconds.
To count from 1 to 389,845 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 389845 cubic inches would be around 6.1 feet tall.

Recreational maths with 389845

389845 backwards is 548983
The number of decimal digits it has is: 6
The sum of 389845's digits is 37
More coming soon!

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The information we have on file for 389845 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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