18388966 is an even 8-digits composite number following 18388965
and preceding 18388967 . In scientific notation, it is written as 1.8388966 × 10^7.
The sum of its digits is 49. It has a total of 2 prime factors and 4 positive divisors.
There are 9194482 positive integers (up to 18388966) that are relatively prime to 18388966.
18388966 has 4 divisors, whose sum is 27583452
The reverse of 18388966 is 66988381
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 49
Digital Root 4
Name
eighteen million three hundred eighty-eight thousand nine hundred sixty-six
Scientific notation
1.8388966 × 10^7
Engineering notation
1.8388966 × 10^6
Prime Factorization
2 × 9194483
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
18388966
Product of the distinct prime numbers
The prime factorization of 18388966 is 2 × 9194483.
Since it has a total of 2 prime factors.
5 , 9 , 35 , 76 , 99 , 633 , 8497 , 6385 , 63527 , 92931 , 508008 , 827006 , 7029130 , 3557868 , 92237754 , 72477075 , 762387043 , 937410098 , 518550099 , 4012494173
n×2
36777932
n×3
55166898
n×4
73555864
n×5
91944830
n÷2
9194483
n÷3
6129655.3333333
n÷3
4597241.5
n÷5
3677793.2
n2
338154070549156
n3
6.21830370609E+21
n4
1.1434817542896E+29
n5
2.1027447101252E+36
2 √n
4288.2357677721
3 √n
263.94844225801
4 √n
65.484622376342
5 √n
28.373405311826
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-18388965
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 18388966 can be divided by 4 positive divisors.
The sum of these divisors (counting 18388966) is 1, the average is 0.25.
Base
System
Value
2
Binary
1000110001001011111100110
3
Ternary
1021121020220211
4
Quaternary
1012021133212
5
Quinary
14201421331
6
Senary
1454050034
8
Octal
106113746
10
Decimal
18388966
12
Duodecimal
61a991a
16
Hexadecimal
11897e6
20
Vigesimal
5eic86
36
Base36
ay50m
md5
9b1e1abd06fafa18479323df53048274
sha1
813b77ae2b3e0a5bb8ef801487c1719450c12590
sha256
7ee8f4b3e842efd25c18dfc254a4a659f796dfe6d92f05168dc9750088cdbb3c
sha512
9e623a3974cc654d3a5997bd3b51995a08646c8741b21b330d424b93d3a992384a30ba013d033af5ebf936d05dc008c32feb08b3d5b666b0cfba3c319179fb3f
ripemd-160
695167c291cbecd2542b2675aaa1f5511f9b5a21
Diameter
36777932
Circumference
115541280.98542
Area
1.0623423438187E+15
Volume
2.6047169654457E+22
Surface area
4.2493693752749E+15
Circumference
115541280.98542
Perimeter
73555864
Area
338154070549156
Diagonal
26005925.115218
Surface area
2028924423294936
Volume
6.21830370609E+21
Space diagonal
31850623.410657
Perimeter
55166898
Area
1.4642500774434E+14
Altitude
15925311.705328
Surface area
1.4642500774434E+14
Volume
7.3283411967562E+20
Height
8668641.7050726