18185130 (number)

18185130 is an even 8-digits composite number following 18185129 and preceding 18185131. In scientific notation, it is written as 1.8185130 × 10^7. The sum of its digits is 27. It has a total of 6 prime factors and 64 positive divisors. There are 4572288 positive integers (up to 18185130) that are relatively prime to 18185130.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.8185130 × 10^7
Engineering notation 1.8185130 × 10^6

Prime Factorization of 18185130

Prime Factorization 2 × 9 × 43 × 5 × 127 × 37

Composite number
ω Distinct Factors 6
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 18185130
Product of the distinct prime numbers

The prime factorization of 18185130 is 2 × 9 × 43 × 5 × 127 × 37. Since it has a total of 6 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18185130)

Multiplication

n×y
n×2 36370260
n×3 54555390
n×4 72740520
n×5 90925650

Division

n÷y
n÷2 9092565
n÷3 6061710
n÷3 4546282.5
n÷5 3637026

Exponentiation

ny
n2 330698953116900
n3 6.0138034532947E+21
n4 1.0936179759261E+29
n5 1.9887585062554E+36

Nth Root

y√n
2√n 4264.4026545344
3√n 262.96955412908
4√n 65.302393941833
5√n 28.310222458066

Divisors of 18185130

64 divisors

τ Total Divisors 64
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -18185129
Sum of the proper positive divisors of n
A Arithmetic Mean 0.015625
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 64
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18185130 can be divided by 64 positive divisors. The sum of these divisors (counting 18185130) is 1, the average is 0.015625.

Base conversion 18185130

Base System Value
2 Binary 1000101010111101110101010
3 Ternary 1021012220022100
4 Quaternary 1011113232222
5 Quinary 14123411010
6 Senary 1445434230
8 Octal 105275652
10 Decimal 18185130
12 Duodecimal 610b976
16 Hexadecimal 1157baa
20 Vigesimal 5dd2ga
36 Base36 atrqi

Cryptographic Hash Functions

md5 76e4e520199f80cee307f7e3f1593f1f
sha1 776197fbd7dcdc62582fd993a671ccd92d39fc51
sha256 342999c06de3ce93aae972d31322a729fac4584ff59dcc212472096335da3e06
sha512 87baeb1550fae9317fefa3f4a1d4b258b51ab3738b03a14da7cb16d768dafd660f04880b5c14cfc82a9f29bbc71278461619303876207adc9e578154487988a0
ripemd-160 799341b21d7edd7090a7efeb8aad43f8c41bd2c0

18185130 as geometric shapes

Circle

Radius = n
Diameter 36370260
Circumference 114260541.62515
Area 1.0389214016619E+15

Sphere

Radius = n
Volume 2.5190560998672E+22
Surface area 4.1556856066476E+15
Circumference 114260541.62515

Square

Length = n
Perimeter 72740520
Area 330698953116900
Diagonal 25717657.479518

Cube

Length = n
Surface area 1984193718701400
Volume 6.0138034532947E+21
Space diagonal 31497569.102245

Equilateral Triangle

Length = n
Perimeter 54555390
Area 1.4319684720208E+14
Altitude 15748784.551123

Triangular Pyramid

Length = n
Surface area 1.4319684720208E+14
Volume 7.0873353375796E+20
Height 8572552.4931726