It's a very large number.
Without scientific notation, it's 862,300,000,000,000,000,000,000,000 .
1 with 26 0's 1,000,000,000,000,000,000,000,000,000
A lot; 398.10717055349725077025230508775 x 10^1038 to be exact, or about 400 followed by another 10100000000,0000000000,0000000000,0000000000 zeroes.
10 to the 26th power is written as "10,000,000,000,000,000,000,000,000,000" in standard form. This means that you multiply 10 by itself 26 times, resulting in a number with 27 digits. This number is also known as a "septillion" in the short scale naming system.
10 to the 4 power times 10 to the 3 power is 10,000,000 (10 million).
1
3 times 10 to the 8th power divided by 7 times 10 to the negative 7th power equates to: 4.28571428571
3.45 x 10^1
3 times 10 to the first power = 30
1.39 times 10 to the 2nd power is 139
1.35 times 10 to the 19th power = 13,500,000,000,000,000,000
2 times 10 to the 3rd power = 2,000
4.03 times 10 to the power of 8 = 403,000,000