18443989 (number)

18443989 is an odd 8-digits composite number following 18443988 and preceding 18443990. In scientific notation, it is written as 1.8443989 × 10^7. The sum of its digits is 46. It has a total of 2 prime factors and 4 positive divisors. There are 18375660 positive integers (up to 18443989) that are relatively prime to 18443989.

Interesting facts

Basic properties

Name

Name eighteen million four hundred forty-three thousand nine hundred eighty-nine

Notation

Scientific notation 1.8443989 × 10^7
Engineering notation 1.8443989 × 10^6

Prime Factorization of 18443989

Prime Factorization 271 × 68059

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 18443989
Product of the distinct prime numbers

The prime factorization of 18443989 is 271 × 68059. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18443989)

Multiplication

n×y
n×2 36887978
n×3 55331967
n×4 73775956
n×5 92219945

Division

n÷y
n÷2 9221994.5
n÷3 6147996.3333333
n÷3 4610997.25
n÷5 3688797.8

Exponentiation

ny
n2 340180730232121
n3 6.2742896464132E+21
n4 1.1572292922126E+29
n5 2.1343924336047E+36

Nth Root

y√n
2√n 4294.646551231
3√n 264.21144007632
4√n 65.533552865925
5√n 28.390364663286

Divisors of 18443989

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -18443988
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18443989 can be divided by 4 positive divisors. The sum of these divisors (counting 18443989) is 1, the average is 0.25.

Base conversion 18443989

Base System Value
2 Binary 1000110010110111011010101
3 Ternary 1021201001101201
4 Quaternary 1012112323111
5 Quinary 14210201424
6 Senary 1455152501
8 Octal 106267325
10 Decimal 18443989
12 Duodecimal 6215731
16 Hexadecimal 1196ed5
20 Vigesimal 5f59j9
36 Base36 azbh1

Cryptographic Hash Functions

md5 5071f0ff3680e92ff7f02a148f58fe54
sha1 8e46bc9f2da2a0e208f535780f2252b7bfdcbb04
sha256 e6cc5cb345d4a7ced325f103da45a40c134242ca1439b14987d92bc4b723229a
sha512 3ce11b1d2fb123d0a66732787e6d5e6888fcfbee70c3e0333e71c4da9259eff61f6af66d6946021ab78152fcdbbd5f41cd11d0f292a3753a111151f78bf7ba39
ripemd-160 9723e3e2b7ab4ebcbeba293cf35e6a3a5aa829e8

18443989 as geometric shapes

Circle

Radius = n
Diameter 36887978
Circumference 115887000.69058
Area 1.06870928299E+15

Sphere

Radius = n
Volume 2.6281683012888E+22
Surface area 4.2748371319602E+15
Circumference 115887000.69058

Square

Length = n
Perimeter 73775956
Area 340180730232121
Diagonal 26083739.38806

Cube

Length = n
Surface area 2041084381392726
Volume 6.2742896464132E+21
Space diagonal 31945926.042241

Equilateral Triangle

Length = n
Perimeter 55331967
Area 1.4730257712948E+14
Altitude 15972963.021121

Triangular Pyramid

Length = n
Surface area 1.4730257712948E+14
Volume 7.3943212601789E+20
Height 8694579.7960201