18389966 is an even 8-digits composite number following 18389965
and preceding 18389967 . In scientific notation, it is written as 1.8389966 × 10^7.
The sum of its digits is 50. It has a total of 3 prime factors and 8 positive divisors.
There are 7881408 positive integers (up to 18389966) that are relatively prime to 18389966.
18389966 has 8 divisors, whose sum is 31525680
The reverse of 18389966 is 66998381
Previous prime number is 7
Is Prime? no
Number parity even
Number length 8
Sum of Digits 50
Digital Root 5
Name
eighteen million three hundred eighty-nine thousand nine hundred sixty-six
Scientific notation
1.8389966 × 10^7
Engineering notation
1.8389966 × 10^6
Prime Factorization
2 × 7 × 1313569
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
18389966
Product of the distinct prime numbers
The prime factorization of 18389966 is 2 × 7 × 1313569.
Since it has a total of 3 prime factors.
3 , 7 , 87 , 89 , 10 , 146 , 3673 , 1893 , 9643 , 44001 , 63828 , 861277 , 3476284 , 6554070 , 38751613 , 58455713 , 652424362 , 234523497 , 9524595208 , 2301280169
n×2
36779932
n×3
55169898
n×4
73559864
n×5
91949830
n÷2
9194983
n÷3
6129988.6666667
n÷3
4597491.5
n÷5
3677993.2
n2
338190849481156
n3
6.2193182234696E+21
n4
1.1437305067279E+29
n5
2.1033165131888E+36
2 √n
4288.3523642537
3 √n
263.95322671513
4 √n
65.485512628777
5 √n
28.373713896747
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-18389965
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 18389966 can be divided by 8 positive divisors.
The sum of these divisors (counting 18389966) is 1, the average is 0.125.
Base
System
Value
2
Binary
1000110001001101111001110
3
Ternary
1021121022021212
4
Quaternary
1012021233032
5
Quinary
14201434331
6
Senary
1454054422
8
Octal
106115716
10
Decimal
18389966
12
Duodecimal
61aa412
16
Hexadecimal
1189bce
20
Vigesimal
5eiei6
36
Base36
ay5se
md5
fefb366166206393b80e9d3c03c1a0cf
sha1
0ec1225a9052ccd3eef45d375f44ca5ebca4c27a
sha256
c85f77a33ddada489c343597c594d9ce52b108ff3ae430097a4c2a8e481d0925
sha512
457825b0708a438b25428d4bb468107340677478039b0bca3024ed3da856ee7097a0a6ce0eb0ab93b12dd4e57fdd06596a01672688a46165f4ce6452ab687ab1
ripemd-160
7cb2dcd9ba2e5435e48b2142e6b4afd0d960d83a
Diameter
36779932
Circumference
115547564.17073
Area
1.0624578882413E+15
Volume
2.6051419254919E+22
Surface area
4.2498315529652E+15
Circumference
115547564.17073
Perimeter
73559864
Area
338190849481156
Diagonal
26007339.32878
Surface area
2029145096886936
Volume
6.2193182234696E+21
Space diagonal
31852355.461464
Perimeter
55169898
Area
1.4644093348906E+14
Altitude
15926177.730732
Surface area
1.4644093348906E+14
Volume
7.329536816954E+20
Height
8669113.1095934