389988

389,988 is an even composite number composed of four prime numbers multiplied together.

What does the number 389988 look like?

This visualization shows the relationship between its 4 prime factors (large circles) and 48 divisors.

389988 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of forty-eight divisors.

Prime factorization of 389988:

2² × 3³ × 23 × 157

(2 × 2 × 3 × 3 × 3 × 23 × 157)

See below for interesting mathematical facts about the number 389988 from the Numbermatics database.

Names of 389988

Cardinal: 389988 can be written as Three hundred eighty-nine thousand, nine hundred eighty-eight.

Scientific notation

Scientific notation: 3.89988 × 10⁵

Factors of 389988

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 7
Sum of prime factors: 185

Divisors of 389988

Number of divisors d(n): 48
Complete list of divisors:
1 2 3 4 6 9 12 18 23 27 36 46 54 69 92 108 138 157 207 276 314 414 471 621 628 828 942 1242 1413 1884 2484 2826 3611 4239 5652 7222 8478 10833 14444 16956 21666 32499 43332 64998 97497 129996 194994 389988
Sum of all divisors σ(n): 1061760
Sum of proper divisors (its aliquot sum) s(n): 671772
389988 is an abundant number, because the sum of its proper divisors (671772) is greater than itself. Its abundance is 281784

Bases of 389988

Binary: 1011111001101100100₂
Hexadecimal: 0x5F364
Base-36: 8CX0

Squares and roots of 389988

389988 squared (389988²) is 152090640144
389988 cubed (389988³) is 59313524568478272
The square root of 389988 is 624.4901920767
The cube root of 389988 is 73.0606863849

Scales and comparisons

How big is 389988?

389,988 seconds is equal to 4 days, 12 hours, 19 minutes, 48 seconds.
To count from 1 to 389,988 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 389988 cubic inches would be around 6.1 feet tall.

Recreational maths with 389988

389988 backwards is 889983
The number of decimal digits it has is: 6
The sum of 389988's digits is 45
More coming soon!

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The information we have on file for 389988 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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