19491389 (number)

19491389 is an odd 8-digits prime number following 19491388 and preceding 19491390. In scientific notation, it is written as 1.9491389 × 10^7. The sum of its digits is 44. It has a total of 1 prime factors and 2 positive divisors. There are 19491388 positive integers (up to 19491389) that are relatively prime to 19491389.

Interesting facts

Basic properties

Name

Name nineteen million four hundred ninety-one thousand three hundred eighty-nine

Notation

Scientific notation 1.9491389 × 10^7
Engineering notation 1.9491389 × 10^6

Prime Factorization of 19491389

Prime Factorization 19491389

Composite number
ω Distinct Factors 1
Total number of distinct prime factors
Ω Total Factors 1
Total number of prime factors
rad Radical 19491389
Product of the distinct prime numbers

The prime factorization of 19491389 is 19491389. Since it has a total of 1 prime factors.

Most popular turbo-numbers

Basic calculations (n = 19491389)

Multiplication

n×y
n×2 38982778
n×3 58474167
n×4 77965556
n×5 97456945

Division

n÷y
n÷2 9745694.5
n÷3 6497129.6666667
n÷3 4872847.25
n÷5 3898277.8

Exponentiation

ny
n2 379914245149321
n3 7.4050563388468E+21
n4 1.4433483366738E+29
n5 2.8132863892612E+36

Nth Root

y√n
2√n 4414.9053217481
3√n 269.12100524646
4√n 66.444753906897
5√n 28.705727498192

Divisors of 19491389

2 divisors

τ Total Divisors 2
Total number of the positive divisors of n
σ Sum of Divisors 19491390
Sum of all the positive divisors of n
s Aliquot Sum 1
Sum of the proper positive divisors of n
A Arithmetic Mean 9745695
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 4414.9054350008
Returns the nth root of the product of n divisors
H Harmonic Mean 1.9999998973906
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 19491389 can be divided by 2 positive divisors. The sum of these divisors (counting 19491389) is 19491390, the average is 9745695.

Base conversion 19491389

Base System Value
2 Binary 1001010010110101000111101
3 Ternary 1100200021011022
4 Quaternary 1022112220331
5 Quinary 14442211024
6 Senary 1533433525
8 Octal 112265075
10 Decimal 19491389
12 Duodecimal 663b8a5
16 Hexadecimal 1296a3d
20 Vigesimal 61g899
36 Base36 blrnh

Cryptographic Hash Functions

md5 989e585911c2fe3b7d6e41815f787687
sha1 a826d3cb249bf401da0abc760418cc0a4f467a66
sha256 98d5430594d067f25a87e1611f3eef4eb12260873f3a763af0c1f47fe9483cc2
sha512 9fdf8b7175dd763a67b2611bafe02e5b56acfe292b5781d40b4074b9fb18c52ecd8623d72e819de8d0a6d1d65749c0f5efc491fcb03ae535907dc9082040de94
ripemd-160 203dc3ec93b4c82c6cb27d0128aebfc68136a7cb

19491389 as geometric shapes

Circle

Radius = n
Diameter 38982778
Circumference 122468008.98132
Area 1.1935358015552E+15

Sphere

Radius = n
Volume 3.1018227458053E+22
Surface area 4.7741432062209E+15
Circumference 122468008.98132

Square

Length = n
Perimeter 77965556
Area 379914245149321
Diagonal 27564986.67329

Cube

Length = n
Surface area 2279485470895926
Volume 7.4050563388468E+21
Space diagonal 33760076.058089

Equilateral Triangle

Length = n
Perimeter 58474167
Area 1.6450769377945E+14
Altitude 16880038.029045

Triangular Pyramid

Length = n
Surface area 1.6450769377945E+14
Volume 8.7269425871116E+20
Height 9188328.8910966