# Divisors of the Positive Integer 90

1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90## Sum of all the Divisors of 90, including itself

234## Sum of the Proper Divisors of 90

144## Properties of the number 90

The integer 90 is an**even**number.

The integer 90 is a

**Composite**number.

144 is

*greater than*90, so 90 is an

**abundant**number.

## The number 90 as a Roman Numeral

**XC**

## The number 90 in various Numeral Systems

Base |
Representation |
---|---|

2: | 1011010 |

3: | 10100 |

4: | 1122 |

5: | 330 |

6: | 230 |

7: | 156 |

8: | 132 |

9: | 110 |

10: | 90 |

11: | 82 |

12: | 76 |

13: | 6C |

14: | 66 |

15: | 60 |

16: | 5A |

17: | 55 |

18: | 50 |

19: | 4E |

20: | 4A |

21: | 46 |

22: | 42 |

23: | 3L |

24: | 3I |

25: | 3F |

26: | 3C |

27: | 39 |

28: | 36 |

29: | 33 |

30: | 30 |

31: | 2S |

32: | 2Q |

33: | 2O |

34: | 2M |

35: | 2K |

36: | 2I |