It would be 106
Write a "1", and next to it write 1000000 zeros. That is the answer.
1000000 is Ten to the Power of Six
1000000
106
1000000
ten to the sixth power
Ten thousand of them.
16
Ten to the power of 12 in numbers is: 1012
10^4
There is no repeated factor. 10-6 = 1/1000000 or a millionth.