18897742 (number)

18897742 is an even 8-digits composite number following 18897741 and preceding 18897743. In scientific notation, it is written as 1.8897742 × 10^7. The sum of its digits is 46. It has a total of 3 prime factors and 8 positive divisors. There are 8951544 positive integers (up to 18897742) that are relatively prime to 18897742.

Interesting facts

Basic properties

Name

Name eighteen million eight hundred ninety-seven thousand seven hundred forty-two

Notation

Scientific notation 1.8897742 × 10^7
Engineering notation 1.8897742 × 10^6

Prime Factorization of 18897742

Prime Factorization 2 × 19 × 497309

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 18897742
Product of the distinct prime numbers

The prime factorization of 18897742 is 2 × 19 × 497309. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18897742)

Multiplication

n×y
n×2 37795484
n×3 56693226
n×4 75590968
n×5 94488710

Division

n÷y
n÷2 9448871
n÷3 6299247.3333333
n÷3 4724435.5
n÷5 3779548.4

Exponentiation

ny
n2 357124652698564
n3 6.7488495485371E+21
n4 1.2753801756507E+29
n5 2.4101805511362E+36

Nth Root

y√n
2√n 4347.1533214277
3√n 266.36059223134
4√n 65.932945645009
5√n 28.528700065108

Divisors of 18897742

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -18897741
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18897742 can be divided by 8 positive divisors. The sum of these divisors (counting 18897742) is 1, the average is 0.125.

Base conversion 18897742

Base System Value
2 Binary 1001000000101101101001110
3 Ternary 1022120002211101
4 Quaternary 1020011231032
5 Quinary 14314211432
6 Senary 1513013314
8 Octal 110055516
10 Decimal 18897742
12 Duodecimal 63b423a
16 Hexadecimal 1205b4e
20 Vigesimal 5i2472
36 Base36 b91la

Cryptographic Hash Functions

md5 676361c0c6c8607065c74d4bab520b03
sha1 4ea8af7d42a2b25b573d2855688c9be5a2d877db
sha256 747b642c49a8bd72e0d2155d3d961f0d46ec9ed52fed3cbdfc1b7a9f9a2dbcad
sha512 21163362639fc789897b04ae39bad38046b42542f1ba30bf18c2164c86df8ac0911d5400a77e24404b96799000303adaca5899e6e36c3eeb1185d87ef9e9eb6d
ripemd-160 67557df7ac6f41116b14320029d4f5f43d3012b0

18897742 as geometric shapes

Circle

Radius = n
Diameter 37795484
Circumference 118738014.87327
Area 1.1219401853336E+15

Sphere

Radius = n
Volume 2.8269514882489E+22
Surface area 4.4877607413345E+15
Circumference 118738014.87327

Square

Length = n
Perimeter 75590968
Area 357124652698564
Diagonal 26725443.034628

Cube

Length = n
Surface area 2142747916191384
Volume 6.7488495485371E+21
Space diagonal 32731849.292328

Equilateral Triangle

Length = n
Perimeter 56693226
Area 1.5463951077733E+14
Altitude 16365924.646164

Triangular Pyramid

Length = n
Surface area 1.5463951077733E+14
Volume 7.9535954682972E+20
Height 8908481.0115426