12987
12,987 is an odd composite number composed of three prime numbers multiplied together.
12987 is an odd composite number. It is composed of three distinct prime numbers multiplied together. It has a total of sixteen divisors.
Prime factorization of 12987:
33 × 13 × 37
(3 × 3 × 3 × 13 × 37)See below for interesting mathematical facts about the number 12987 from the Numbermatics database.
Names of 12987
- Cardinal: 12987 can be written as Twelve thousand, nine hundred eighty-seven.
Scientific notation
- Scientific notation: 1.2987 × 104
Factors of 12987
Divisors of 12987
Bases of 12987
- Binary: 110010101110112
- Hexadecimal: 0x32BB
- Base-36: A0R
Squares and roots of 12987
- 12987 squared (129872) is 168662169
- 12987 cubed (129873) is 2190415588803
-
The
square root of 12987 is 113.9605194793 -
The
cube root of 12987 is 23.5055064809
Scales and comparisons
How big is 12987?- 12,987 seconds is equal to 3 hours, 36 minutes, 27 seconds.
-
To count from 1 to 12,987 would take you about three 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 12987 cubic inches would be around 2 feet tall.
Recreational maths with 12987
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