個 = 10^0 = 1
　十 = 10^1 = 10
　百 = 10^2 = 100
　千 = 10^3 = 1,000
　萬 = 10^4 = 10,000
十萬 = 10^5 = 100,000
百萬 = 10^6 = 1,000,000 = 1M (mega)
千萬 = 10^7 = 10,000,000
　億 = 10^8 = 100,000,000 = 100M (mega)
十億 = 10^9 = 1,000,000,000 = 1000M = 1G (giga)
百億 = 10^10 = 10,000,000,000
千億 = 10^11 = 100,000,000,000
　兆 = 10^12 = 1,000,000,000,000
十兆 = 10^13 = 10,000,000,000,000
百兆 = 10^14 = 100,000,000,000,000
千兆 = 10^15 = 1,000,000,000,000,000