No. of divisors
How many different divisors has number ?
Leave us a comment of example and its solution (i.e. if it is still somewhat unclear...):
Showing 0 comments:
Be the first to comment!
To solve this example are needed these knowledge from mathematics:
Next similar examples:
Find all divisors of number 493. How many are them?
How many different combinations of two-digit number divisible by 4 arises from the digits 3, 5 and 7?
- Bits, bytes
Calculate how many different numbers can be encoded in 16-bit binary word?
- Cars plates
How many different licence plates can country have, given that they use 3 letters followed by 3 digits?
- Pins 2
how many different possible 4 digits pins can be found on the 10-digit keypad?
- Divisible by 5
How many three-digit odd numbers divisible by 5, which are in place ten's number 3?
- PIN - codes
How many five-digit PIN - code can we create using the even numbers?
- Coin and die
Flip a coin and then roll a six-sided die. How many possible combinations are there?
- Football league
In the 5th football league is 10 teams. How many ways can be filled first, second and third place?
- Olympics metals
In how many ways can be win six athletes medal positions in the Olympics? Metal color matters.
In how many ways can be divided gold, silver and bronze medal among 21 contestant?
In the Hockey World Cup play eight teams, determine how many ways can they win gold, silver and bronze medals.
Write smallest three-digit number, which in division 5 and 7 gives the rest 2.
Determine the number of items when the count of variations of fourth class without repeating is 42 times larger than the count of variations of third class without repetition.
- Task of the year
Determine the number of integers from 1 to 106 with ending four digits 2006.
- Sum of two primes
Christian Goldbach, a mathematician, found out that every even number greater than 2 can be expressed as a sum of two prime numbers. Write or express 2018 as a sum of two prime numbers.
Express the expression ? as the n-th power of the base 10.