What is the number 90?
The number 90 is an even number that comes just after 89 and right before 91. It is not a prime number because it can be evenly divided by 2, 3, 5, 6, 9, 10, 15, 18, 30, and 45, in addition to 1 and itself. In science, 90 is the atomic number of thorium, a radioactive element used in nuclear reactors and scientific research. In geometry, a right angle measures exactly 90 degrees, forming the basis of squares, rectangles, and countless tools used in construction and design. In sports, a standard football (soccer) match is played over 90 minutes, split into two 45-minute halves.
Number 90 in different languages
- English: Ninety
- French: Quatre-vingt-dix
- Spanish: Noventa
- Arabic: تسعون
- German: Neunzig
- Chinese: 九十
- Japanese: 九十
- Korean: 아흔
- Portuguese: Noventa
- Italian: Novanta
- Hindi: नब्बे
- Russian: Девяносто
- Turkish: Doksan