20889
20,889 is an odd composite number composed of three prime numbers multiplied together.
20889 is an odd composite number. It is composed of three distinct prime numbers multiplied together. It has a total of twelve divisors.
Prime factorization of 20889:
32 × 11 × 211
(3 × 3 × 11 × 211)See below for interesting mathematical facts about the number 20889 from the Numbermatics database.
Names of 20889
- Cardinal: 20889 can be written as Twenty thousand, eight hundred eighty-nine.
Scientific notation
- Scientific notation: 2.0889 × 104
Factors of 20889
Divisors of 20889
Bases of 20889
- Binary: 1010001100110012
- Hexadecimal: 0x5199
- Base-36: G49
Squares and roots of 20889
- 20889 squared (208892) is 436350321
- 20889 cubed (208893) is 9114921855369
-
The
square root of 20889 is 144.5302736453 -
The
cube root of 20889 is 27.5405462495
Scales and comparisons
How big is 20889?- 20,889 seconds is equal to 5 hours, 48 minutes, 9 seconds.
-
To count from 1 to 20,889 would take you about five hours.
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 20889 cubic inches would be around 2.3 feet tall.
Recreational maths with 20889
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