---
title: "How many — numbers and possibilities"
description: "9 counts and estimates in the numbers and possibilities category, each with how the figure is arrived at and how confident it is."
url: https://atoneplace.net/how-many/abstract/
site: "At One Place"
---

# How many: numbers and possibilities

9 numbers and possibilities counts.

| Question | Answer |
| --- | --- |
| How many combinations does a Rubik's Cube have? | 43,252,003,274,489,856,000 — about 43 quintillion |
| How many ways can you shuffle a deck of cards? | about 8 × 10^67 |
| How many possible chess games are there? | about 10^120 games; about 4.8 × 10^44 legal positions |
| How many combinations are there in the lottery? | 292,201,338 for Powerball |
| How many digits of pi have been calculated? | about 202 trillion |
| How many possible passwords are there? | 6.6 quadrillion for eight characters — 540 sextillion for twelve |
| How many Sudoku puzzles are there? | 6,670,903,752,021,072,936,960 completed grids |
| How many prime numbers are there under a million? | exactly 78,498 |
| How many possible positions are there in Go? | about 2.08 × 10^170 |

- [How many combinations does a Rubik's Cube have?](https://atoneplace.net/how-many/rubiks-cube-states/) — 43,252,003,274,489,856,000 — about 43 quintillion
- [How many ways can you shuffle a deck of cards?](https://atoneplace.net/how-many/possible-shuffles-of-a-deck/) — about 8 × 10^67
- [How many possible chess games are there?](https://atoneplace.net/how-many/possible-chess-games/) — about 10^120 games; about 4.8 × 10^44 legal positions
- [How many combinations are there in the lottery?](https://atoneplace.net/how-many/lottery-combinations/) — 292,201,338 for Powerball
- [How many digits of pi have been calculated?](https://atoneplace.net/how-many/digits-of-pi-computed/) — about 202 trillion
- [How many possible passwords are there?](https://atoneplace.net/how-many/possible-passwords/) — 6.6 quadrillion for eight characters — 540 sextillion for twelve
- [How many Sudoku puzzles are there?](https://atoneplace.net/how-many/possible-sudoku-grids/) — 6,670,903,752,021,072,936,960 completed grids
- [How many prime numbers are there under a million?](https://atoneplace.net/how-many/primes-under-a-million/) — exactly 78,498
- [How many possible positions are there in Go?](https://atoneplace.net/how-many/possible-go-positions/) — about 2.08 × 10^170