18389628 is an even 8-digits composite number following 18389627
and preceding 18389629 . In scientific notation, it is written as 1.8389628 × 10^7.
The sum of its digits is 45. It has a total of 5 prime factors and 18 positive divisors.
There are 6129864 positive integers (up to 18389628) that are relatively prime to 18389628.
18389628 has 18 divisors, whose sum is 46484984
The reverse of 18389628 is 82698381
Previous prime number is 3
Is Prime? no
Number parity even
Number length 8
Sum of Digits 45
Digital Root 9
Name
eighteen million three hundred eighty-nine thousand six hundred twenty-eight
Scientific notation
1.8389628 × 10^7
Engineering notation
1.8389628 × 10^6
Prime Factorization
2 × 2 × 3 × 3 × 510823
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
3064938
Product of the distinct prime numbers
The prime factorization of 18389628 is 2 × 2 × 3 × 3 × 510823.
Since it has a total of 5 prime factors.
9 , 3 , 73 , 54 , 626 , 220 , 5607 , 2845 , 91818 , 85989 , 680880 , 284103 , 8900861 , 6326203 , 93030166 , 79817087 , 95239427 , 371806891 , 345146817 , 5755191572
n×2
36779256
n×3
55168884
n×4
73558512
n×5
91948140
n÷2
9194814
n÷3
6129876
n÷3
4597407
n÷5
3677925.6
n2
338178417978384
n3
6.218975304251E+21
n4
1.1436464238636E+29
n5
2.1031232298382E+36
2 √n
4288.3129549976
3 √n
263.95160958802
4 √n
65.485211727516
5 √n
28.373609596546
1 , 2 , 3 , 4 , 6 , 9 , 12 , 18 , 36 , 510823 , 1021646 , 1532469 , 2043292 , 3064938 , 4597407 , 6129876 , 9194814 , 18389628
18 divisors
τ
Total Divisors
18
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-18389627
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.055555555555556
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
18
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 18389628 can be divided by 18 positive divisors.
The sum of these divisors (counting 18389628) is 1, the average is 0.055555555555556.
Base
System
Value
2
Binary
1000110001001101001111100
3
Ternary
1021121021211100
4
Quaternary
1012021221330
5
Quinary
14201432003
6
Senary
1454053100
8
Octal
106115174
10
Decimal
18389628
12
Duodecimal
61aa190
16
Hexadecimal
1189a7c
20
Vigesimal
5eie18
36
Base36
ay5j0
md5
9b1db9b034b42cb1008cdbb6a8fba71f
sha1
1494912770b39d0422780888440774173d28010d
sha256
248293d4513a878616b83a485e9d452e94cca3f72a83d93a6a13d5047b15bc3c
sha512
9144fd2bb0b5ad7cca3358908c7627c7fe9838337e092fef51fc4f6907cd25b5ccb8b8a4ea31608d1797a8022554828ade2e4f2ae083ef0bd5d8a1965f44d186
ripemd-160
2aeeb8e5172f13b8649e526bbd21ff079a2a4b70
Diameter
36779256
Circumference
115545440.4541
Area
1.0624188335235E+15
Volume
2.6049982838255E+22
Surface area
4.249675334094E+15
Circumference
115545440.4541
Perimeter
73558512
Area
338178417978384
Diagonal
26006861.324596
Surface area
2029070507870304
Volume
6.218975304251E+21
Space diagonal
31851770.028291
Perimeter
55168884
Area
1.4643555049046E+14
Altitude
15925885.014146
Surface area
1.4643555049046E+14
Volume
7.3291326827793E+20
Height
8668953.7748653