19
Number 19 (nineteen) is an odd two-digits prime number and natural number following 18 and preceding 20.
| Nominal | 19 |
| Cardinal | nineteen |
| Ordinal | 19th |
| Number of digits | 2 |
| Sum of digits | 10 |
| Product of digits | 9 |
| Number parity | Odd |
Calculation was done in 0.0000479221 seconds
| Prime factorization | 19 |
| Prime factors | 19 |
| Number of distinct prime factors ω(n) | 1 |
| Total number of prime factors Ω(n) | 1 |
| Sum of prime factors | 19 |
| Product of prime factors | 19 |
Calculation was done in 0.0000078678 seconds
| List of proper divisors | 1 |
| List of all dividers | 1, 19 |
| Number of divisors d(n) | 2 |
| Sum of all divisors σ(n) | 20 |
| Aliquot sum | 1 |
| 19 is a deficient number , since it is larger than the sum of its proper divisors (1). Its deficiency is 18. |
Calculation was done in 0.0000259876 seconds
| Is 19 a prime number? | Yes |
| Is 19 a semiprime number? | No |
| Is 19 a Chen prime number? | Yes |
| Is 19 a Mersenne prime number? | Yes: M6 |
Calculation was done in 0.0000119209 seconds
| Is 19 a Catalan number? | No |
| Is 19 a Fibonacci number? | No |
| Is 19 a Idoneal number? | No |
Calculation was done in 0.0000071526 seconds
| 19 is a Happy number |
| 19 is not a Humble number |
| 19 is not a Münchhausen number |
| 19 is not a Perfect number |
| 19 is not a Perfect square |
| 19 is not a Palindrome |
Calculation was done in 0.0029599667 seconds
| Base | System | Value |
|---|
| 2 | Binary | 100112 |
| 3 | Ternary | 2013 |
| 4 | Quaternary | 1034 |
| 5 | Quinary | 345 |
| 6 | Senary | 316 |
| 7 | Septenary | 257 |
| 8 | Octal | 238 |
| 9 | Nonary | 219 |
| 10 | Decimal | 19 |
| 12 | Duodecimal | 1712 |
| 16 | Hexadecimal | 1316 |
| 20 | Vigesimal | j20 |
| 36 | Base36 | j36 |
| 60 | Sexagesimal | J60 |
Calculation was done in 0.0000219345 seconds
| Square of 19 (n2) | 361 |
| Cube of 19 (n3) | 6859 |
| Square root of 19 | 4.3588989435407 |
| Natural Logarithm (ln) of 19 | 2.9444389791664 |
| Decimal Logarithm (log) of 19 | 1.2787536009528 |
Calculation was done in 0.0000059605 seconds
| Sine of 19 | 0.14987720966295 |
| Cosecant of 19 | 6.6721284860375 |
| Cosine of 19 | 0.98870461818667 |
| Secant of 19 | 1.0114244250563 |
| Tangent of 19 | 0.1515894706124 |
| Cotangent of 19 | 6.5967642472801 |
Calculation was done in 0.0000150204 seconds
Is 19 an Odd Number?
Yes, the number 19 is an odd number.
Total number of all odd numbers from 1 to 19 is
10Sum of all the odd numbers from 1 to 19 are
100The sum of all odd numbers is a perfect square: 100 = 10
An odd number is any integer (a whole number) that cannot be divided by 2 evenly. Odd numbers are the opposite of even numbers.Previous odd number is
17
Calculation was done in 0.0000071526 seconds
| The spelling of 19 in words is "nineteen", meaning that: |
| 19 is an aban number (a number without the letter a) |
| 19 is not an eban number (as it contains the letter e) |
| 19 is not an iban number (as it contains the letter i) |
| 19 is an oban number (a number without the letter o) |
| 19 is not a tban number (as it contains the letter t) |
| 19 is an uban number (a number without the letter u) |
Calculation was done in 0.0000040531 seconds
| Bengali numerals | ১৯ |
| Eastern Arabic numerals | ١٩ |
| Hieroglyphs numeralsused in Ancient Egypt | 𓎆𓐂 |
| Khmer numerals | ១៩ |
| Japanese numerals | 十九 |
| Roman numerals | XIX |
| Thai numerals | ๑๙ |
Calculation was done in 0.0000970364 seconds
| Arabic | تسعة عشر |
| Croatian | devetnaest |
| Czech | devatenáct |
| Danish | nitten |
| Dutch | negentien |
| Estonian | wuiasieke |
| Faroese | nítjan |
| Filipino | labíng-siyám |
| Finnish | yhdeksäntoista |
| French | dix-neuf |
| Greek | δεκαεννέα |
| German | neunzehn |
| Hebrew | תשע עשרה |
| Hindi | उन्नीस |
| Hungarian | tizenkilenc |
| Icelandic | nítján |
| Indonesian | sembilan belas |
| Italian | diciannove |
| Japanese | 十九 |
| Korean | 십구 |
| Latvian | deviņpadsmit |
| Lithuanian | devyniolika |
| Norwegian | nitten |
| Persian | نوزده |
| Polish | dziewiętnaście |
| Portuguese | dezenove |
| Romanian | nouăsprezece |
| Russian | девятнадцать |
| Serbian | деветнаест |
| Slovak | devätnásť |
| Slovene | devetnajst |
| Spanish | diecinueve |
| Swahili | kumi na tisa |
| Swedish | nitton |
| Thai | สิบเก้า |
| Turkish | on dokuz |
| Ukrainian | девʼятнадцять |
| Vietnamese | mười chín |
Calculation was done in 0.0249669552 seconds
| Number 19 reversed | 91 |
| ASCII Code | 19 | |
| Unicode Character | U+0013 | |
| Unix Timestamp | Thu, 01 Jan 1970 00:00:19 +0000 |
Calculation was done in 0.0000760555 seconds
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