18444978 (number)

18444978 is an even 8-digits composite number following 18444977 and preceding 18444979. In scientific notation, it is written as 1.8444978 × 10^7. The sum of its digits is 45. It has a total of 3 prime factors and 8 positive divisors. There are 6148320 positive integers (up to 18444978) that are relatively prime to 18444978.

Interesting facts

Basic properties

Name

Name eighteen million four hundred forty-four thousand nine hundred seventy-eight

Notation

Scientific notation 1.8444978 × 10^7
Engineering notation 1.8444978 × 10^6

Prime Factorization of 18444978

Prime Factorization 2 × 9 × 1024721

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 18444978
Product of the distinct prime numbers

The prime factorization of 18444978 is 2 × 9 × 1024721. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18444978)

Multiplication

n×y
n×2 36889956
n×3 55334934
n×4 73779912
n×5 92224890

Division

n÷y
n÷2 9222489
n÷3 6148326
n÷3 4611244.5
n÷5 3688995.6

Exponentiation

ny
n2 340217213420484
n3 6.2752990167621E+21
n4 1.157477523076E+29
n5 2.1349647448631E+36

Nth Root

y√n
2√n 4294.7616930396
3√n 264.21616249011
4√n 65.534431355125
5√n 28.390669125281

Divisors of 18444978

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 -18444977
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 18444978 can be divided by 8 positive divisors. The sum of these divisors (counting 18444978) is 1, the average is 0.125.

Base conversion 18444978

Base System Value
2 Binary 1000110010111001010110010
3 Ternary 1021201002202100
4 Quaternary 1012113022302
5 Quinary 14210214403
6 Senary 1455201230
8 Octal 106271262
10 Decimal 18444978
12 Duodecimal 6216216
16 Hexadecimal 11972b2
20 Vigesimal 5f5c8i
36 Base36 azc8i

Cryptographic Hash Functions

md5 c3bc682823c73ddacbe748a437533b79
sha1 dc21c7c7b6ab26214412ebcc03dc4b23db642fdf
sha256 d0ed5b86f346e293d0216c92b00e79e0c12879255ebd75654a6d0ce29951b589
sha512 ef4afe9a39952ef097df2649649b8af36a9d3185c13429409495e09698751475c35082b008c13bd0dbea61ab7539d1b54c30ac95ccb57118b241a24ff68d9a31
ripemd-160 44c4bfdcd1d355845a1e568de708ed4e5fdc26f4

18444978 as geometric shapes

Circle

Radius = n
Diameter 36889956
Circumference 115893214.76085
Area 1.0688238983066E+15

Sphere

Radius = n
Volume 2.6285911053519E+22
Surface area 4.2752955932263E+15
Circumference 115893214.76085

Square

Length = n
Perimeter 73779912
Area 340217213420484
Diagonal 26085138.045273

Cube

Length = n
Surface area 2041303280522904
Volume 6.2752990167621E+21
Space diagonal 31947639.04049

Equilateral Triangle

Length = n
Perimeter 55334934
Area 1.4731837481345E+14
Altitude 15973819.520245

Triangular Pyramid

Length = n
Surface area 1.4731837481345E+14
Volume 7.395510814543E+20
Height 8695046.0150911