999998999000001
1x10153 times 999999999 is 999999999x10153. Normalizing that, you get 9.999999999x10161.
666,666,666 X 999,999,999 = 6.66666665 × 1017
Assuming you are talking about whole numbers, 999999999999999999999 + 1 = 1000000000000000000000
999999999
That means to multiply the number with itself, using it 3 times as a factor. In this case: 999999999999999999999 x 999999999999999999999 x 999999999999999999999
9.99999998 x 10^17
999998999000001
8.88888879E16
1x10153 times 999999999 is 999999999x10153. Normalizing that, you get 9.999999999x10161.
Prime factorization of 999999999 = 34 × 37 × 333667
999999999999999999999 + 9 = 1000000000000000000008.
666,666,666 X 999,999,999 = 6.66666665 × 1017
999,999,999 x 89,898,775,345,606 = 89,898,775,255,707,224,654,394
Assuming you are talking about whole numbers, 999999999999999999999 + 1 = 1000000000000000000000
999999999/1
999999999