18381965 (number)

18381965 is an odd 8-digits composite number following 18381964 and preceding 18381966. In scientific notation, it is written as 1.8381965 × 10^7. The sum of its digits is 41. It has a total of 2 prime factors and 4 positive divisors. There are 12604752 positive integers (up to 18381965) that are relatively prime to 18381965.

Interesting facts

Basic properties

Name

Name eighteen million three hundred eighty-one thousand nine hundred sixty-five

Notation

Scientific notation 1.8381965 × 10^7
Engineering notation 1.8381965 × 10^6

Prime Factorization of 18381965

Prime Factorization 35 × 525199

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 18381965
Product of the distinct prime numbers

The prime factorization of 18381965 is 35 × 525199. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18381965)

Multiplication

n×y
n×2 36763930
n×3 55145895
n×4 73527860
n×5 91909825

Division

n÷y
n÷2 9190982.5
n÷3 6127321.6666667
n÷3 4595491.25
n÷5 3676393

Exponentiation

ny
n2 337896637261225
n3 6.2112041597535E+21
n4 1.1417413747244E+29
n5 2.0987449989237E+36

Nth Root

y√n
2√n 4287.4193869973
3√n 263.91494141474
4√n 65.478388701901
5√n 28.371244532714

Divisors of 18381965

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 -18381964
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 18381965 can be divided by 4 positive divisors. The sum of these divisors (counting 18381965) is 1, the average is 0.25.

Base conversion 18381965

Base System Value
2 Binary 1000110000111110010001101
3 Ternary 1021120220022112
4 Quaternary 1012013302031
5 Quinary 14201210330
6 Senary 1453553405
8 Octal 106076215
10 Decimal 18381965
12 Duodecimal 61a5865
16 Hexadecimal 1187c8d
20 Vigesimal 5ehei5
36 Base36 axzm5

Cryptographic Hash Functions

md5 6ffb561605d2bdbac589f095abd1cc1d
sha1 ee0f42b8be0f0135d35dded23664e38b81a9aa07
sha256 c4fa0bbae855a3267c3a2a571b0ded90f2a5bba3be6259750b622f59330d4e52
sha512 2dda484c867c51923e0e61db3f9bd458980bcc078d2d032a80f5a429b672a61e62e8ec999386c59d7143b99784a0c2a63b61f70bf5bc69a4a9d3a53200775569
ripemd-160 843ce172dd8ffff898383aff0f8dc02833c9db54

18381965 as geometric shapes

Circle

Radius = n
Diameter 36763930
Circumference 115497292.40509
Area 1.0615335932926E+15

Sphere

Radius = n
Volume 2.6017431144304E+22
Surface area 4.2461343731702E+15
Circumference 115497292.40509

Square

Length = n
Perimeter 73527860
Area 337896637261225
Diagonal 25996024.206068

Cube

Length = n
Surface area 2027379823567350
Volume 6.2112041597535E+21
Space diagonal 31838497.322953

Equilateral Triangle

Length = n
Perimeter 55145895
Area 1.4631353586078E+14
Altitude 15919248.661476

Triangular Pyramid

Length = n
Surface area 1.4631353586078E+14
Volume 7.3199743011597E+20
Height 8665341.4020225