40

... 37 - 38 - 39 - 40 - 41 - 42 - 43 ...


URI: http://km.aifb.kit.edu/projects/numbers/n40 [URI4URI]

External links

Wikipedia: 40_(number)
Wikidata: Q42317

Names

Estonian: nelikümmend
Czech: ètyøicet
Portuguese: quarenta
Lithuanian: keturiasdeðimt
French: quarante
Italian: quaranta
Spanish: cuarenta
German: vierzig
English: forty

Other systems

Roman: XL
Binary: 101000
Octal: 50
Duodecimal: 34
Hexadecimal: 28
Hexatridecimal: 14

Properties

Natural logarithm: 3.6888794541139
Binary logarithm: 5.3219280948874
Common logarithm: 1.602059991328
Prime factors: 1 * 2 * 2 * 2 * 5
Digit sum: 4

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Published April 1, 2010