Then, to look at your question: who's your "we"? The Chinese already use another system (in many contexts). African cultures use their own systems. And who knows what might happen in the future.
Then, to look at your question: who's your "we"? The Chinese already use another system (in many contexts). African cultures use their own systems. And who knows what might happen in the future.
零一二三四五六七八九
Africans are a diverse group so I expect that they have many different systems.
They use a system where a power-of-10 number is potentially preceded by a smaller count and followed by a smaller number. So, for example, 241 is represented as [2][100][4][10][1].
十 = 10 白 = 10^2 千 = 10^3 万 = 10^4 亿 = 10^8
This leads to the non-Western-like feature that the word for a million is 一白万 (1 10^2 10^4) whereas ten million is 一千万 (1 10^3 10^4) instead of 十白万 (10 10^2 10^4) which you might expect if you think using Western number systems and just internalize the rule that "白万 = million".