A thousand million millions.

1,000 x 1,000,000 x 1,000,000 = 1,000,000,000,000,000

Which is a 1 followed by 15 zeros

Using

We could also think of it as a

(In many non-English speaking countries it means a million million million million, which is a 1 followed by 24 zeros, or 1 × 10

Below is a cube made of a million smaller cubes. If each of the small cubes is worth a billion dollars, then the whole cube is worth a quadrillion dollars.

1,000 x 1,000,000 x 1,000,000 = 1,000,000,000,000,000

Which is a 1 followed by 15 zeros

Using

**scientific notation**: 1 × 10^{15}We could also think of it as a

**thousand trillions**.(In many non-English speaking countries it means a million million million million, which is a 1 followed by 24 zeros, or 1 × 10

^{24})Below is a cube made of a million smaller cubes. If each of the small cubes is worth a billion dollars, then the whole cube is worth a quadrillion dollars.

See: Million

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