18378645 (number)

18378645 is an odd 8-digits composite number following 18378644 and preceding 18378646. In scientific notation, it is written as 1.8378645 × 10^7. The sum of its digits is 42. It has a total of 5 prime factors and 32 positive divisors. There are 9472320 positive integers (up to 18378645) that are relatively prime to 18378645.

Interesting facts

Basic properties

Name

Name eighteen million three hundred seventy-eight thousand six hundred forty-five

Notation

Scientific notation 1.8378645 × 10^7
Engineering notation 1.8378645 × 10^6

Prime Factorization of 18378645

Prime Factorization 3 × 5 × 131 × 199 × 47

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 18378645
Product of the distinct prime numbers

The prime factorization of 18378645 is 3 × 5 × 131 × 199 × 47. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18378645)

Multiplication

n×y
n×2 36757290
n×3 55135935
n×4 73514580
n×5 91893225

Division

n÷y
n÷2 9189322.5
n÷3 6126215
n÷3 4594661.25
n÷5 3675729

Exponentiation

ny
n2 337774592036025
n3 6.2078393170499E+21
n4 1.140916750251E+29
n5 2.0968503927417E+36

Nth Root

y√n
2√n 4287.032190222
3√n 263.89905173952
4√n 65.475431959034
5√n 28.370219622292

Divisors of 18378645

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -18378644
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18378645 can be divided by 32 positive divisors. The sum of these divisors (counting 18378645) is 1, the average is 0.03125.

Base conversion 18378645

Base System Value
2 Binary 1000110000110111110010101
3 Ternary 1021120201202120
4 Quaternary 1012012332111
5 Quinary 14201104040
6 Senary 1453530153
8 Octal 106067625
10 Decimal 18378645
12 Duodecimal 61a3959
16 Hexadecimal 1186f95
20 Vigesimal 5eh6c5
36 Base36 axx1x

Cryptographic Hash Functions

md5 3a0b0d90e114798f0dc801b2bd282d50
sha1 83c99836851453c8fb0445f99576099e061db864
sha256 cc29c7ffe5840477c4d6916fd7ceaa26af91fad00b2018ab7f7fa9482fc8e16a
sha512 9019caadaf5256e56e0cc36c4eb19bb2e8e5a9daa4ff9e0b20480121ec80ef33689ed996834f8d1feb48b8884e2e60559f8208f410e1fd52c4daec813e837171
ripemd-160 56a5b12fb60a5fad1a8e8ef8e4ce200104e5fb6b

18378645 as geometric shapes

Circle

Radius = n
Diameter 36757290
Circumference 115476432.22987
Area 1.0611501769097E+15

Sphere

Radius = n
Volume 2.6003336524147E+22
Surface area 4.2446007076387E+15
Circumference 115476432.22987

Square

Length = n
Perimeter 73514580
Area 337774592036025
Diagonal 25991329.01704

Cube

Length = n
Surface area 2026647552216150
Volume 6.2078393170499E+21
Space diagonal 31832746.914272

Equilateral Triangle

Length = n
Perimeter 55135935
Area 1.4626068872806E+14
Altitude 15916373.457136

Triangular Pyramid

Length = n
Surface area 1.4626068872806E+14
Volume 7.3160087960041E+20
Height 8663776.3390135