18308885 is an odd 8-digits composite number following 18308884
and preceding 18308886 . In scientific notation, it is written as 1.8308885 × 10^7.
The sum of its digits is 41. It has a total of 4 prime factors and 16 positive divisors.
There are 12514176 positive integers (up to 18308885) that are relatively prime to 18308885.
18308885 has 16 divisors, whose sum is 25190400
The reverse of 18308885 is 58880381
Previous prime number is 409
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 41
Digital Root 5
Name
eighteen million three hundred eight thousand eight hundred eighty-five
Scientific notation
1.8308885 × 10^7
Engineering notation
1.8308885 × 10^6
Prime Factorization
5 × 7 × 409 × 1279
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
18308885
Product of the distinct prime numbers
The prime factorization of 18308885 is 5 × 7 × 409 × 1279.
Since it has a total of 4 prime factors.
6 , 4 , 52 , 90 , 614 , 606 , 9680 , 9095 , 27118 , 65245 , 128919 , 317179 , 6223775 , 3966967 , 18238860 , 77149056 , 624701786 , 344603848 , 3154548686 , 9060782030
n×2
36617770
n×3
54926655
n×4
73235540
n×5
91544425
n÷2
9154442.5
n÷3
6102961.6666667
n÷3
4577221.25
n÷5
3661777
n2
335215269943225
n3
6.1374178276345E+21
n4
1.1236927720311E+29
n5
2.0573561738448E+36
2 √n
4278.8882901988
3 √n
263.5647336657
4 √n
65.413211893308
5 √n
28.348649825086
1 , 5 , 7 , 35 , 409 , 1279 , 2045 , 2863 , 6395 , 8953 , 14315 , 44765 , 523111 , 2615555 , 3661777 , 18308885
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-18308884
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 18308885 can be divided by 16 positive divisors.
The sum of these divisors (counting 18308885) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1000101110101111100010101
3
Ternary
1021110012001212
4
Quaternary
1011311330111
5
Quinary
14141341020
6
Senary
1452231205
8
Octal
105657425
10
Decimal
18308885
12
Duodecimal
616b505
16
Hexadecimal
1175f15
20
Vigesimal
5e8c45
36
Base36
awf85
md5
dbe517b143e10a770f54097fe5228f1c
sha1
cf9437cc599fa6920a55143bca34e055cfe08273
sha256
404f41581b488baa35ab914555a353ccd1f53e57a8b763280ee11dff75467950
sha512
23c62b8314f8d4cf30042af0023d81182ff3b7b393545fe289211d68b98eeec84007d84d248d5c3ccf9d991339c6898ab938ee60ae66f38bfd6e1ce94472a895
ripemd-160
cb2a3f5932a6526dbe413be4a15251cc4cb8d8fc
Diameter
36617770
Circumference
115038117.22284
Area
1.0531098294248E+15
Volume
2.5708355679077E+22
Surface area
4.212439317699E+15
Circumference
115038117.22284
Perimeter
73235540
Area
335215269943225
Diagonal
25892673.478929
Surface area
2011291619659350
Volume
6.1374178276345E+21
Space diagonal
31711919.049936
Perimeter
54926655
Area
1.4515246975365E+14
Altitude
15855959.524968
Surface area
1.4515246975365E+14
Volume
7.2330162748259E+20
Height
8630891.1596431