Discover a lot of information on the number 30: properties, mathematical operations, how to write it, symbolism, numerology, representations and many other interesting things!

## Mathematical properties of 30

Questions and answers |

Is 30 a prime number? |
No |

Is 30 a perfect number? |
No |

Number of divisors |
8 |

List of dividers |
1, 2, 3, 5, 6, 10, 15, 30 |

Sum of divisors |
72 |

Prime factorization |
2 x 3 x 5 |

Prime factors |
2, 3, 5 |

## How to write / spell 30 in letters?

In letters, the number 30 is written as: Thirty. And in other languages? how does it spell?

30 in other languages |

Write 30 in english |
Thirty |

Write 30 in french |
Trente |

Write 30 in spanish |
Treinta |

Write 30 in portuguese |
Trinta |

## Mathematical representations and links

Other ways to write 30 |

In letter |
Thirty |

In roman numeral |
XXX |

In binary |
11110 |

In octal |
36 |

In hexadecimal |
1e |

In US dollars |
USD 30.00 ($) |

In euros |
30,00 EUR (€) |

Some related numbers |

Previous number |
29 |

Next number |
31 |

Next prime number |
31 |

## Mathematical operations

Operations and solutions |

30*2 |
= |
60 |
The double of 30 is 60 |

30*3 |
= |
90 |
The triple of 30 is 90 |

30/2 |
= |
15 |
The half of 30 is 15.000000 |

30/3 |
= |
10 |
The third of 30 is 10.000000 |

30^{2} |
= |
900 |
The square of 30 is 900.000000 |

30^{3} |
= |
27000 |
The cube of 30 is 27000.000000 |

√30 |
= |
5.4772255750517 |
The square root of 30 is 5.477226 |

log(30) |
= |
3.4011973816622 |
The natural (Neperian) logarithm of 30 is 3.401197 |

log10(30) |
= |
1.4771212547197 |
The decimal logarithm (base 10) of 30 is 1.477121 |

sin(30) |
= |
-0.98803162409286 |
The sine of 30 is -0.988032 |

cos(30) |
= |
0.15425144988758 |
The cosine of 30 is 0.154251 |

tan(30) |
= |
-6.4053311966463 |
The tangent of 30 is -6.405331 |