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.
18305428 has 12 divisors, whose sum is 32247712
The reverse of 18305428 is 82450381
Previous prime number is 151
Is Prime? no
Number parity even
Number length 8
Sum of Digits 31
Digital Root 4
Name
eighteen million three hundred five thousand four hundred twenty-eight
Scientific notation
1.8305428 × 10^7
Engineering notation
1.8305428 × 10^6
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.
6 , 10 , 37 , 24 , 127 , 591 , 5264 , 3390 , 97323 , 44798 , 1827 , 862741 , 5251960 , 5357032 , 50680756 , 16339348 , 227473869 , 866397213 , 8168639005 , 3985105538
n×2
36610856
n×3
54916284
n×4
73221712
n×5
91527140
n÷2
9152714
n÷3
6101809.3333333
n÷3
4576357
n÷5
3661085.6
n2
335088694263184
n3
6.1339419664487E+21
n4
1.1228443302301E+29
n5
2.0554146042235E+36
2 √n
4278.4843110616
3 √n
263.54814425867
4 √n
65.410123918714
5 √n
28.34757921172
1 , 2 , 4 , 151 , 302 , 604 , 30307 , 60614 , 121228 , 4576357 , 9152714 , 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
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
md5
ec1eb02ec4af4afc1ece0a09646e0d5c
sha1
4d561007ad4cf274d06b050450a5774a8c0deb92
sha256
dde4ed799865f2fccc0dfe4abe538c22e094824566894b9f53cf8f8124af3eb8
sha512
4d3a5d18716a09a04994b4a3d1bd9c4f2d863d952ac34a640610ae34f2fa0f22017f4435bfb7696c846dce3ef7b4e35ac2a0db7e660e6a4d94765dc97b6376e7
ripemd-160
eedbb0223e0e1c1e9ae4250106f0f6c4c5b5ad79
Diameter
36610856
Circumference
115016396.25123
Area
1.0527121801982E+15
Volume
2.5693796025789E+22
Surface area
4.2108487207929E+15
Circumference
115016396.25123
Perimeter
73221712
Area
335088694263184
Diagonal
25887784.542644
Surface area
2010532165579104
Volume
6.1339419664487E+21
Space diagonal
31705931.350294
Perimeter
54916284
Area
1.4509766087644E+14
Altitude
15852965.675147
Surface area
1.4509766087644E+14
Volume
7.2289199331344E+20
Height
8629261.5142147