18305428 (number)

18305428 is an even 8-digits composite number following 18305427 and preceding 18305429. In scientific notation, it is written as 1.8305428 × 10^7. The sum of its digits is 31. It has a total of 4 prime factors and 12 positive divisors. There are 9091800 positive integers (up to 18305428) that are relatively prime to 18305428.

Interesting facts

Basic properties

Name

Name eighteen million three hundred five thousand four hundred twenty-eight

Notation

Scientific notation 1.8305428 × 10^7
Engineering notation 1.8305428 × 10^6

Prime Factorization of 18305428

Prime Factorization 2 × 2 × 151 × 30307

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 9152714
Product of the distinct prime numbers

The prime factorization of 18305428 is 2 × 2 × 151 × 30307. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18305428)

Multiplication

n×y
n×2 36610856
n×3 54916284
n×4 73221712
n×5 91527140

Division

n÷y
n÷2 9152714
n÷3 6101809.3333333
n÷3 4576357
n÷5 3661085.6

Exponentiation

ny
n2 335088694263184
n3 6.1339419664487E+21
n4 1.1228443302301E+29
n5 2.0554146042235E+36

Nth Root

y√n
2√n 4278.4843110616
3√n 263.54814425867
4√n 65.410123918714
5√n 28.34757921172

Divisors of 18305428

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -18305427
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18305428 can be divided by 12 positive divisors. The sum of these divisors (counting 18305428) is 1, the average is 0.083333333333333.

Base conversion 18305428

Base System Value
2 Binary 1000101110101000110010100
3 Ternary 1021110000022211
4 Quaternary 1011311012110
5 Quinary 14141233203
6 Senary 1452203204
8 Octal 105650624
10 Decimal 18305428
12 Duodecimal 6169504
16 Hexadecimal 1175194
20 Vigesimal 5e83b8
36 Base36 awck4

Cryptographic Hash Functions

md5 ec1eb02ec4af4afc1ece0a09646e0d5c
sha1 4d561007ad4cf274d06b050450a5774a8c0deb92
sha256 dde4ed799865f2fccc0dfe4abe538c22e094824566894b9f53cf8f8124af3eb8
sha512 4d3a5d18716a09a04994b4a3d1bd9c4f2d863d952ac34a640610ae34f2fa0f22017f4435bfb7696c846dce3ef7b4e35ac2a0db7e660e6a4d94765dc97b6376e7
ripemd-160 eedbb0223e0e1c1e9ae4250106f0f6c4c5b5ad79

18305428 as geometric shapes

Circle

Radius = n
Diameter 36610856
Circumference 115016396.25123
Area 1.0527121801982E+15

Sphere

Radius = n
Volume 2.5693796025789E+22
Surface area 4.2108487207929E+15
Circumference 115016396.25123

Square

Length = n
Perimeter 73221712
Area 335088694263184
Diagonal 25887784.542644

Cube

Length = n
Surface area 2010532165579104
Volume 6.1339419664487E+21
Space diagonal 31705931.350294

Equilateral Triangle

Length = n
Perimeter 54916284
Area 1.4509766087644E+14
Altitude 15852965.675147

Triangular Pyramid

Length = n
Surface area 1.4509766087644E+14
Volume 7.2289199331344E+20
Height 8629261.5142147