By choosing I Accept, you consent to our use of cookies and other tracking technologies.

# 49

Number 49 (forty-nine) is an odd two-digits composite number and natural number following 48 and preceding 50.

## Properties of the number 49

 Nominal 49 Cardinal forty-nine Ordinal 49th Number of digits 2 Sum of digits 13 Product of digits 36 Number parity Odd
Calculation was done in 0.0000209808 seconds

## Prime Factorization of 49

 Prime factorization 7 x 7 Prime factorization in exponent form 72 Prime factors 7 Number of distinct prime factors ω(n) 1 Total number of prime factors Ω(n) 2 Sum of prime factors 7 Product of prime factors 7
Calculation was done in 0.0000059605 seconds

## Divisors of 49

 List of proper divisors 1, 7 List of all dividers 1, 7, 49 Number of divisors d(n) 3 Sum of all divisors σ(n) 57 Aliquot sum 8 49 is a deficient number , since it is larger than the sum of its proper divisors (8). Its deficiency is 41.
Calculation was done in 0.0000150204 seconds

## Prime numbers

 Is 49 a prime number? No Is 49 a semiprime number? Yes Is 49 a Chen prime number? No Is 49 a Mersenne prime number? No
Calculation was done in 0.0000100136 seconds

## Sequences

 Is 49 a Catalan number? No Is 49 a Fibonacci number? No Is 49 a Idoneal number? No
Calculation was done in 0.0000028610 seconds

## Number theory

Number theory is a branch of pure mathematics devoted primarily to the study of the integers and integer-valued functions.
 49 is a Happy number 49 is a Humble number 49 is not a Münchhausen number 49 is not a Perfect number 49 is a Perfect square 49 is not a Palindrome
Calculation was done in 0.0019412041 seconds

## Numeric Bases of 49

In mathematics, a base or radix of a numeral system is the number of unique digits, including zero, used to represent numbers in that system.
BaseSystemValue
2Binary1100012
3Ternary12113
4Quaternary3014
5Quinary1445
6Senary1216
7Septenary1007
8Octal618
9Nonary549
10Decimal49
12Duodecimal4112
20Vigesimal2920
36Base361d36
60Sexagesimaln60
Calculation was done in 0.0000128746 seconds

## Mathematical operations

Mathematical operations are actions that are performed on numbers or mathematical expressions to find a numerical result.
 Square of 49 (n2) 2401 Cube of 49 (n3) 117649 Square root of 49 7 Natural Logarithm (ln) of 49 3.89182 Decimal Logarithm (log) of 49 1.6902
Calculation was done in 0.0000040531 seconds

## Trigonometry

Trigonometry is the study of the relationship between the angles and sides of a triangle.
 Sine of 49 -0.953753 Cosecant of 49 -1.04849 Cosine of 49 0.300593 Secant of 49 3.32676 Tangent of 49 -3.17291 Cotangent of 49 -0.315168
Calculation was done in 0.0000081062 seconds

## Number parity

Parity is the property of an integer of whether it is even or odd.

No

### Is 49 an Odd Number?

Yes, the number 49 is an odd number.
Total number of all odd numbers from 1 to 49 is 25
Sum of all the odd numbers from 1 to 49 are 625
The sum of all odd numbers is a perfect square: 625 = 25
An odd number is any integer (a whole number) that cannot be divided by 2 evenly. Odd numbers are the opposite of even numbers.
Calculation was done in 0.0000050068 seconds

## Ban number

In recreational mathematics, a ban number is a number that does not contain a particular letter when spelled out in English; in other words, the letter is "banned".
 The spelling of 49 in words is "forty-nine", meaning that: 49 is an aban number (a number without the letter a) 49 is not an eban number (as it contains the letter e) 49 is not an iban number (as it contains the letter i) 49 is not an oban number (as it contains the letter o) 49 is not a tban number (as it contains the letter t) 49 is an uban number (a number without the letter u)
Calculation was done in 0.0000021458 seconds

## Numeral systems

How to write 49 in other number systems?
 Bengali numerals ৪৯ Eastern Arabic numerals ٤٩ Hieroglyphs numeralsused in Ancient Egypt 𓎉𓐂 Khmer numerals ៤៩ Japanese numerals 四十九 Roman numerals XLIX Thai numerals ๔๙
Calculation was done in 0.0000548363 seconds

## Translation

How do you say 49 in 38 different languages?
 Arabic تسعة و أربعون Croatian četrdeset i devet Czech čtyřicet devět Danish ni og fyrre Dutch negenenveertig Estonian blaene vɔ asieke Faroese fýrati­níggju Filipino ápat na pû’t siyám Finnish neljä­kymmentä­yhdeksän French quarante-neuf Greek σαράντα εννέα German neun­und­vierzig Hebrew ארבעים ותשע Hindi उनचास Hungarian negyven­kilenc Icelandic fjörutíu og níu Indonesian empat puluh sembilan Italian quarantanove Japanese 四十九 Korean 사십구 Latvian četrdesmit deviņi Lithuanian keturiasdešimt devyni Norwegian førti­ni Persian چهل و نه Polish czterdzieści dziewięć Portuguese quarenta e nove Romanian patruzeci şi nouă Russian сорок девять Serbian четрдесет и девет Slovak štyridsať­deväť Slovene štirideset devet Spanish cuarenta y nueve Swahili arobaini na tisa Swedish fyrtionio Thai สี่​สิบ​เก้า Turkish kırk dokuz Ukrainian сорок девʼять Vietnamese bốn mươi chín
Calculation was done in 0.0131201744 seconds

## Miscellaneous

 Number 49 reversed 94 ASCII Code 49 1 Unicode Character U+0031 1 Unix Timestamp Thu, 01 Jan 1970 00:00:49 +0000
Calculation was done in 0.0000181198 seconds