Question

Find the number of divisors for the number n=560​

Answer 1

Answer:

560 (five hundred sixty) is an even three-digits composite number following 559 and preceding 561. In scientific notation, it is written as 5.6 × 102. The sum of its digits is 11. It has a total of 6 prime factors and 20 positive divisors. There are 192 positive integers (up to 560) that are relatively prime to 560.

Step-by-step explanation:

20 divisors are

1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560

Answer 2

Answer:

560=2^4×5^1×7^1

D(n)=(a+1)(b+1)(c+1)

D 560=(4+1)(1+1)(1+1)

D 560=5×2×2

D 560=20

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