# How big is 1 zetta? Definition and examples

How big is 1 zetta? 1 zetta is a prefix meaning one sextillion or 10 to the power of twenty-one.

1 zetta = 10^{21}

It is a 1 followed by 21 zeros.

Below are a few examples of the word zetta being used as a prefix for gram, liter, and meter.

1 zetagram = 1000 000 000 000 000 000 000 grams

1 zettaliter = 1000 000 000 000 000 000 000 liters

1 zettameter = 1000 000 000 000 000 000 000 meters

## Interesting fact about 1 zetta

**1.** The mass of the moon = 7.349(10^{22}) kg = 73.49(10^{21}) kg

Therefore, the mass of the moon is about 73 zettakilograms

**2. **You can store about 250 movies with 1 terabyte

Since 1 zettabyte is equal to 1 billion terabytes, 1 zettabyte could help you store about 250 billion movies.

**3.** Many modern computers have 1 terabyte of RAM.

Since 1 zettabyte is equal to 1 billion terabytes, a manufacturer could build 1 billion computers if each computer has 1 terabyte of RAM.

## Enjoy this page? Please pay it forward. Here's how...

Would you prefer to share this page with others by linking to it?

- Click on the HTML link code below.
- Copy and paste it, adding a note of your own, into your blog, a Web page, forums, a blog comment, your Facebook account, or anywhere that someone would find this page valuable.