18085381 (number)

18085381 is an odd 8-digits prime number following 18085380 and preceding 18085382. In scientific notation, it is written as 1.8085381 × 10^7. The sum of its digits is 34. It has a total of 1 prime factors and 2 positive divisors. There are 18085380 positive integers (up to 18085381) that are relatively prime to 18085381.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.8085381 × 10^7
Engineering notation 1.8085381 × 10^6

Prime Factorization of 18085381

Prime Factorization 18085381

Composite number
ω Distinct Factors 1
Total number of distinct prime factors
Ω Total Factors 1
Total number of prime factors
rad Radical 18085381
Product of the distinct prime numbers

The prime factorization of 18085381 is 18085381. Since it has a total of 1 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18085381)

Multiplication

n×y
n×2 36170762
n×3 54256143
n×4 72341524
n×5 90426905

Division

n÷y
n÷2 9042690.5
n÷3 6028460.3333333
n÷3 4521345.25
n÷5 3617076.2

Exponentiation

ny
n2 327081005915161
n3 5.9153846098389E+21
n4 1.0698198443047E+29
n5 1.9348099485612E+36

Nth Root

y√n
2√n 4252.6910303948
3√n 262.48785915126
4√n 65.212660046917
5√n 28.279096667447

Divisors of 18085381

2 divisors

τ Total Divisors 2
Total number of the positive divisors of n
σ Sum of Divisors 18085382
Sum of all the positive divisors of n
s Aliquot Sum 1
Sum of the proper positive divisors of n
A Arithmetic Mean 9042691
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 4252.6911479674
Returns the nth root of the product of n divisors
H Harmonic Mean 1.9999998894135
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18085381 can be divided by 2 positive divisors. The sum of these divisors (counting 18085381) is 18085382, the average is 9042691.

Base conversion 18085381

Base System Value
2 Binary 1000100111111011000000101
3 Ternary 1021000211110221
4 Quaternary 1010333120011
5 Quinary 14112213011
6 Senary 1443344341
8 Octal 104773005
10 Decimal 18085381
12 Duodecimal 60820b1
16 Hexadecimal 113f605
20 Vigesimal 5d0d91
36 Base36 armrp

Cryptographic Hash Functions

md5 242139679fc8b8e118c4b1c2a83c0eb1
sha1 23d5e53edc77eaec6c7bab8355b1fd8bbff32e81
sha256 1ddc07c1bc9e0f65e82e1973547a634b4a9e77a96e20e73a912988eb85de216e
sha512 f07e8d2af7f230e2b673230e8ac76912a95dd4404ab1c2a6b0322368405393572ddf4618d497dda74def1e6662c32c087fd50c1b53672716044a3bb128acc2c0
ripemd-160 6b93c638bffff4303c322690bd27b43d9f03c45d

18085381 as geometric shapes

Circle

Radius = n
Diameter 36170762
Circumference 113633800.17394
Area 1.0275552853118E+15

Sphere

Radius = n
Volume 2.4778305111238E+22
Surface area 4.1102211412473E+15
Circumference 113633800.17394

Square

Length = n
Perimeter 72341524
Area 327081005915161
Diagonal 25576591.090885

Cube

Length = n
Surface area 1962486035490966
Volume 5.9153846098389E+21
Space diagonal 31324798.766241

Equilateral Triangle

Length = n
Perimeter 54256143
Area 1.4163023010895E+14
Altitude 15662399.38312

Triangular Pyramid

Length = n
Surface area 1.4163023010895E+14
Volume 6.9713476182394E+20
Height 8525530.3636282