6390
6,390 is an even composite number composed of four prime numbers multiplied together.
6390 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of twenty-four divisors.
Prime factorization of 6390:
2 × 32 × 5 × 71
(2 × 3 × 3 × 5 × 71)See below for interesting mathematical facts about the number 6390 from the Numbermatics database.
Names of 6390
- Cardinal: 6390 can be written as Six thousand, three hundred ninety.
Scientific notation
- Scientific notation: 6.39 × 103
Factors of 6390
Divisors of 6390
Bases of 6390
- Binary: 11000111101102
- Hexadecimal: 0x18F6
- Base-36: 4XI
Squares and roots of 6390
- 6390 squared (63902) is 40832100
- 6390 cubed (63903) is 260917119000
-
The
square root of 6390 is 79.9374755669 -
The
cube root of 6390 is 18.5566803169
Scales and comparisons
How big is 6390?- 6,390 seconds is equal to 1 hour, 46 minutes, 30 seconds.
-
To count from 1 to 6,390 would take you about forty-six minutes.
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 6390 cubic inches would be around 1.5 feet tall.
Recreational maths with 6390
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