4.3571
61*109/(14*1012) = 0.004357142857...
0.0197
Approx 1.6%
0.0021
10.1667
0.1639
0.2689
5 x 12,345,678,901,234,567,890 = 61,728,394,506,172,839,450 (61 quintillion, 728 quadrillion, 394 trillion, 506 billion, 172 million, 839 thousand and 450)
0.0328
61 is a prime number and can only be divided by 1 or 61.
61
0.0031
61