Répondre :
Comme on a :
— 10³ = mille
— 10⁶ = million
— 10⁹ = milliard
— 10¹² = billion
— 10¹⁵ = billiard
— 10¹⁸ = trillion
— 10²¹ = trilliard
— 10²⁴ = quatrillion ou quadrillion
— etc.
Un trillion = 10¹⁸
= 1 000 000 000 000 000 000
— 10³ = mille
— 10⁶ = million
— 10⁹ = milliard
— 10¹² = billion
— 10¹⁵ = billiard
— 10¹⁸ = trillion
— 10²¹ = trilliard
— 10²⁴ = quatrillion ou quadrillion
— etc.
Un trillion = 10¹⁸
= 1 000 000 000 000 000 000