19491390 (number)

19491390 is an even 8-digits composite number following 19491389 and preceding 19491391. In scientific notation, it is written as 1.9491390 × 10^7. The sum of its digits is 36. It has a total of 4 prime factors and 16 positive divisors. There are 5197680 positive integers (up to 19491390) that are relatively prime to 19491390.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.9491390 × 10^7
Engineering notation 1.9491390 × 10^6

Prime Factorization of 19491390

Prime Factorization 2 × 5 × 9 × 216571

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 19491390
Product of the distinct prime numbers

The prime factorization of 19491390 is 2 × 5 × 9 × 216571. Since it has a total of 4 prime factors.

Most popular turbo-numbers

4, 5, 77, 37, 237, 405, 3136, 4258, 86009, 844, 957494, 320129, 3597053, 7268239, 91566986, 20935449, 701492608, 571946048, 4849383867, 1381587289

Basic calculations (n = 19491390)

Multiplication

n×y
n×2 38982780
n×3 58474170
n×4 77965560
n×5 97456950

Division

n÷y
n÷2 9745695
n÷3 6497130
n÷3 4872847.5
n÷5 3898278

Exponentiation

ny
n2 379914284132100
n3 7.4050574785896E+21
n4 1.4433486328761E+29
n5 2.8132871109354E+36

Nth Root

y√n
2√n 4414.9054350008
3√n 269.12100984885
4√n 66.444754759129
5√n 28.70572779274

Divisors of 19491390

1, 2, 5, 9, 10, 18, 45, 90, 216571, 433142, 1082855, 1949139, 2165710, 3898278, 9745695, 19491390

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -19491389
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 19491390 can be divided by 16 positive divisors. The sum of these divisors (counting 19491390) is 1, the average is 0.0625.

Base conversion 19491390

Base System Value
2 Binary 1001010010110101000111110
3 Ternary 1100200021011100
4 Quaternary 1022112220332
5 Quinary 14442211030
6 Senary 1533433530
8 Octal 112265076
10 Decimal 19491390
12 Duodecimal 663b8a6
16 Hexadecimal 1296a3e
20 Vigesimal 61g89a
36 Base36 blrni

Cryptographic Hash Functions

md5 8422224684758e4a642e0be4bb687105
sha1 2a75910fd93c1d813fd697432f348727087e2b1b
sha256 a1b586256cf9825bee43a5523c1f565c7e96f9793be282abf0c911ff48180ebc
sha512 c0aca629bcac96a03c298751361999617ef9c0216df8bdcd60fd34a1f2d1acc465b056a94d67914a0a527658fb9538afe441139de67c176ead2df1fa63c9037c
ripemd-160 5665ece86f08dfd09e1026cbec313dc9293e271a

19491390 as geometric shapes

Circle

Radius = n
Diameter 38982780
Circumference 122468015.26451
Area 1.1935359240232E+15

Sphere

Radius = n
Volume 3.1018232232196E+22
Surface area 4.7741436960929E+15
Circumference 122468015.26451

Square

Length = n
Perimeter 77965560
Area 379914284132100
Diagonal 27564988.087503

Cube

Length = n
Surface area 2279485704792600
Volume 7.4050574785896E+21
Space diagonal 33760077.79014

Equilateral Triangle

Length = n
Perimeter 58474170
Area 1.6450771065949E+14
Altitude 16880038.89507

Triangular Pyramid

Length = n
Surface area 1.6450771065949E+14
Volume 8.7269439303114E+20
Height 9188329.3625011