18442946 (number)

18442946 is an even 8-digits composite number following 18442945 and preceding 18442947. In scientific notation, it is written as 1.8442946 × 10^7. The sum of its digits is 38. It has a total of 3 prime factors and 8 positive divisors. There are 8972208 positive integers (up to 18442946) that are relatively prime to 18442946.

Interesting facts

Basic properties

Name

Name eighteen million four hundred forty-two thousand nine hundred forty-six

Notation

Scientific notation 1.8442946 × 10^7
Engineering notation 1.8442946 × 10^6

Prime Factorization of 18442946

Prime Factorization 2 × 37 × 249229

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 18442946
Product of the distinct prime numbers

The prime factorization of 18442946 is 2 × 37 × 249229. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18442946)

Multiplication

n×y
n×2 36885892
n×3 55328838
n×4 73771784
n×5 92214730

Division

n÷y
n÷2 9221473
n÷3 6147648.6666667
n÷3 4610736.5
n÷5 3688589.2

Exponentiation

ny
n2 340142257158916
n3 6.2732252811E+21
n4 1.1569675510516E+29
n5 2.1337890067797E+36

Nth Root

y√n
2√n 4294.5251192652
3√n 264.20645963298
4√n 65.532626372405
5√n 28.390043563331

Divisors of 18442946

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 -18442945
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 18442946 can be divided by 8 positive divisors. The sum of these divisors (counting 18442946) is 1, the average is 0.125.

Base conversion 18442946

Base System Value
2 Binary 1000110010110101011000010
3 Ternary 1021200222222002
4 Quaternary 1012112223002
5 Quinary 14210133241
6 Senary 1455144002
8 Octal 106265302
10 Decimal 18442946
12 Duodecimal 6215002
16 Hexadecimal 1196ac2
20 Vigesimal 5f5776
36 Base36 azao2

Cryptographic Hash Functions

md5 2d6d9836a87c2fcf25ea66fa80023a0f
sha1 bdf9a988781ac020253488f397ab81796b57ec55
sha256 dae7fc4c7fd81031f138bffe96abf63052280df12063d19fc99d75d60a5be3f5
sha512 3b71d3c4324dba97e3b918f79510741cf26e158e75c9e753f94ba9585030478a0d221812052dd7115e0341f5f058e265192eb7701e2336744a4afbadf7990221
ripemd-160 b664f041ebc0f1d0e33363108c856bef0285660b

18442946 as geometric shapes

Circle

Radius = n
Diameter 36885892
Circumference 115880447.32831
Area 1.0685884162659E+15

Sphere

Radius = n
Volume 2.627722460989E+22
Surface area 4.2743536650636E+15
Circumference 115880447.32831

Square

Length = n
Perimeter 73771784
Area 340142257158916
Diagonal 26082264.363315

Cube

Length = n
Surface area 2040853542953496
Volume 6.2732252811E+21
Space diagonal 31944119.513249

Equilateral Triangle

Length = n
Perimeter 55328838
Area 1.472859178001E+14
Altitude 15972059.756625

Triangular Pyramid

Length = n
Surface area 1.472859178001E+14
Volume 7.3930668936278E+20
Height 8694088.1211049