19191 (number)

19191 is an odd 5-digits composite number following 19190 and preceding 19192. In scientific notation, it is written as 1.9191 × 10^4. The sum of its digits is 21. It has a total of 2 prime factors and 4 positive divisors. There are 12792 positive integers (up to 19191) that are relatively prime to 19191.

Interesting facts

Basic properties

Name

Name nineteen thousand one hundred ninety-one

Notation

Scientific notation 1.9191 × 10^4
Engineering notation 1.9191 × 10^3

Prime Factorization of 19191

Prime Factorization 3 × 6397

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 19191
Product of the distinct prime numbers

The prime factorization of 19191 is 3 × 6397. Since it has a total of 2 prime factors.

Most popular turbo-numbers

5, 4, 61, 27, 378, 634, 1804, 569, 64037, 81401, 721014, 200821, 4543876, 2643079, 66036344, 7840944, 470241898, 839029022, 8703456983, 6809569196

Basic calculations (n = 19191)

Multiplication

n×y
n×2 38382
n×3 57573
n×4 76764
n×5 95955

Division

n÷y
n÷2 9595.5
n÷3 6397
n÷3 4797.75
n÷5 3838.2

Exponentiation

ny
n2 368294481
n3 7067939384871
n4 135640824735059361
n5 2.6030830674905E+21

Nth Root

y√n
2√n 138.5315848462
3√n 26.773133393435
4√n 11.769944130972
5√n 7.1881895551077

Divisors of 19191

1, 3, 6397, 19191

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 -19190
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 19191 can be divided by 4 positive divisors. The sum of these divisors (counting 19191) is 1, the average is 0.25.

Base conversion 19191

Base System Value
2 Binary 100101011110111
3 Ternary 222022210
4 Quaternary 10223313
5 Quinary 1103231
6 Senary 224503
8 Octal 45367
10 Decimal 19191
12 Duodecimal b133
16 Hexadecimal 4af7
20 Vigesimal 27jb
36 Base36 et3

Cryptographic Hash Functions

md5 1c536e802dc03ef61cad8f151c515fca
sha1 4afc2773a1f12f70e60f07e5f8ea62c96929ffa5
sha256 496e935b6c2b2af55a6db07b9cdc26468e78464039b1de09aa6df9732030e52d
sha512 17bd49c25e60bffa2826aefaab95741e709d3b479284da1f0634d5b8a8e72ceec1772f1fb4b8fee88bd1b32684e97c539558b289ac377078457bdc6b421214ce
ripemd-160 fa5b831e0822df560c19b61cbdea59d511b72df4

19191 as geometric shapes

Circle

Radius = n
Diameter 38382
Circumference 120580.60923008
Area 1157031235.8673

Sphere

Radius = n
Volume 29606115263372
Surface area 4628124943.4691
Circumference 120580.60923008

Square

Length = n
Perimeter 76764
Area 368294481
Diagonal 27140.172475502

Cube

Length = n
Surface area 2209766886
Volume 7067939384871
Space diagonal 33239.787048054

Equilateral Triangle

Length = n
Perimeter 57573
Area 159476188.3098
Altitude 16619.893524027

Triangular Pyramid

Length = n
Surface area 159476188.3098
Volume 832964644676.29
Height 9046.7241585007