According to the definition of a trillion used in the U.S. and Canada, it has 12 zeros. According to the definition of a trillion used in most of Europe, it has 18 zeros.
On the short scale (as used in the US): 1 trillion (1012) x 1000 = 1 quadrillion (1015) On the long scales (as used in Europe): 1 trillion (1018) x 1000 = 1 thousand trillion or 1 trilliard (1021).
There is no limit to the number of functions you can have in a program. The only practical limit is dependant upon the amount of memory you have available in order to load the compiled program, whether it has 4 functions or 4 trillion functions. If the program makes use of dynamic libraries, then the amount of available memory reduces accordingly.
Yes, an American trillion is equal to 1,000,000,000,000 (10^12) while a UK trillion is equal to 1,000,000,000,000,000,000 (10^18). The difference stems from the long scale system used in the UK versus the short scale system used in the US.
17 trillion
The answer will depend on the units used for 17299986438377. If the number is in dollars, then the answer is 17300000000000.
In the more common usage, used in North America, one trillion is equal to 1000 billion. In Continental Europe, one trillion is equal to 1000000 billions.
25 trillion
A trillion multiplied by a trillion is usually just referred to as a trillion trillion. But the actual term for it is an octillion.
One trillion and one, One trillion and two, One trillion and three, One trillion and four, One trillion and five, One trillion and six, One trillion and seven, One trillion and eight, One trillion and nine, One trillion and ten, One trillion and eleven.
6 trillion minus 5.2 trillion = 0.8 trillion
Expressed in figures, an American trillion, as used in the sense of monetary wealth or debt, is equal to £7,000,000,000,000.