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440 (number)

From Wikipedia, the free encyclopedia
This article is about the number. For other uses, see440 (disambiguation).
Natural number
← 439440 441 →
Cardinalfour hundred forty
Ordinal440th
(four hundred fortieth)
Factorization23 × 5 × 11
Divisors1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440
Greek numeralΥΜ´
Roman numeralCDXL,cdxl
Binary1101110002
Ternary1210223
Senary20126
Octal6708
Duodecimal30812
Hexadecimal1B816
Hebrewמת (Tav)(Mem)

440 (four hundred [and] forty) is thenatural number following439 and preceding441.

In mathematics

[edit]

440 has thefactorization 23 · 5 · 11.

440 is:

In science

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  • A440 (pitch standard) widely used for the musical note A4, the A above Middle C, often used for tuning instruments

References

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  1. ^"Facts about the number 440".Numbermatics - the number explorer. Retrieved21 March 2017.
  2. ^Guy, Richard (9 March 2013).Unsolved Problems in Number Theory. Springer Science & Business Media. p. 358.ISBN 9780387266770.
0 to 199
200 to 399
400 to 999
1000s and 10,000s
1000s
10,000s
100,000s to 10,000,000,000,000s


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