Max	9223372036854775807
25835	Positive integer
0b10001100	Binary number
01771452	Octal number
0x129abf	Hex number
5.012 * 10^7	Scientific notation
2^4 * 5	Factorized form
*	Random number

1919 (number)

1919 is an odd 4-digits composite number following 1918 and preceding 1920. In scientific notation, it is written as 1.919 × 10^3. The sum of its digits is 20. It has a total of 2 prime factors and 4 positive divisors. There are 1800 positive integers (up to 1919) that are relatively prime to 1919.

Interesting facts

1919 has 4 divisors, whose sum is 2040
The reverse of 1919 is 9191
Previous prime number is 19

Basic properties

Is Prime? no
Number parity odd
Number length 4
Sum of Digits 20
Digital Root 2

Name

Name	one thousand nine hundred nineteen

Notation

Scientific notation	1.919 × 10^3
Engineering notation	1.919 × 10^3

Prime Factorization of 1919

Prime Factorization 19 × 101

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	1919	Product of the distinct prime numbers

The prime factorization of 1919 is 19 × 101. Since it has a total of 2 prime factors.

Most popular turbo-numbers

3, 8, 81, 57, 256, 947, 2878, 6077, 16250, 35418, 7930, 202155, 852257, 1598989, 29769275, 54595183, 916324295, 278575104, 4398808258, 2346360017

Basic calculations (n = 1919)

Multiplication

n×y

n×2	3838
n×3	5757
n×4	7676
n×5	9595

Division

n÷y

n÷2	959.5
n÷3	639.66666666667
n÷3	479.75
n÷5	383.8

Exponentiation

n^y

n²	3682561
n³	7066834559
n⁴	13561255518721
n⁵	26024049340425599

Nth Root

^y√n

²√n	43.806392227619
³√n	12.426771848738
⁴√n	6.618639756598
⁵√n	4.5353937259927

Divisors of 1919

1, 19, 101, 1919

4 divisors

τ	Total Divisors	4	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-1918	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.25	Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G	Geometric Mean	1	Returns the nth root of the product of n divisors
H	Harmonic Mean	4	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 1919 can be divided by 4 positive divisors. The sum of these divisors (counting 1919) is 1, the average is 0.25.

Base conversion 1919

Base	System	Value
2	Binary	11101111111
3	Ternary	2122002
4	Quaternary	131333
5	Quinary	30134
6	Senary	12515
8	Octal	3577
10	Decimal	1919
12	Duodecimal	113b
16	Hexadecimal	77f
20	Vigesimal	4fj
36	Base36	1hb

Cryptographic Hash Functions

md5	8c8a58fa97c205ff222de3685497742c
sha1	f13a41f4e66a94d91d041bd57d921312a88cd3d7
sha256	274dfec6e079fb08d6b5771537c54d3f0bd36c64c3d8ed0a4e6d2f201b489274
sha512	0389602652c11a49384aa4a51b334e3334877dfb980ced8f9817441f755682776871d6873259aa5826cb4630df1b9ab828c0302766971d526a53b14846bcd876
ripemd-160	849533957b3508cba1090dcb6fa57eda446d0d82

1919 as geometric shapes

Circle

Radius = n

Diameter	3838
Circumference	12057.432604478
Area	11569106.583996

Sphere

Radius = n

Volume	29601487379.585
Surface area	46276426.335985
Circumference	12057.432604478

Square

Length = n

Perimeter	7676
Area	3682561
Diagonal	2713.875826194

Cube

Length = n

Surface area	22095366
Volume	7066834559
Space diagonal	3323.8054997247

Equilateral Triangle

Length = n

Perimeter	5757
Area	1594595.6884929
Altitude	1661.9027498623

Triangular Pyramid

Length = n

Surface area	1594595.6884929
Volume	832834439.69872
Height	904.62527539799