18109969 is an odd 8-digits prime number following 18109968
and preceding 18109970 . In scientific notation, it is written as 1.8109969 × 10^7.
The sum of its digits is 43. It has a total of 1 prime factors and 2 positive divisors.
There are 18109968 positive integers (up to 18109969) that are relatively prime to 18109969.
18109969 has 2 divisors, whose sum is 18109970
The reverse of 18109969 is 96990181
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 43
Digital Root 7
Name
eighteen million one hundred nine thousand nine hundred sixty-nine
Scientific notation
1.8109969 × 10^7
Engineering notation
1.8109969 × 10^6
Prime Factorization
18109969
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
18109969
Product of the distinct prime numbers
The prime factorization of 18109969 is 18109969.
Since it has a total of 1 prime factors.
1 , 6 , 36 , 89 , 844 , 536 , 7895 , 7415 , 83388 , 89981 , 555926 , 662196 , 5985334 , 6253698 , 6392233 , 7127486 , 407757789 , 241532695 , 1558655950 , 6853304705
n×2
36219938
n×3
54329907
n×4
72439876
n×5
90549845
n÷2
9054984.5
n÷3
6036656.3333333
n÷3
4527492.25
n÷5
3621993.8
n2
327970977180961
n3
5.9395442296469E+21
n4
1.0756496187303E+29
n5
1.9479981250068E+36
2 √n
4255.5809239163
3 √n
262.60676050436
4 √n
65.234813741715
5 √n
28.286781864726
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
18109970
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
9054985
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
4255.581041409
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999998895636
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 18109969 can be divided by 2 positive divisors.
The sum of these divisors (counting 18109969) is 18109970, the average is 9054985.
Base
System
Value
2
Binary
1000101000101011000010001
3
Ternary
1021002002012121
4
Quaternary
1011011120101
5
Quinary
14114004334
6
Senary
1444054241
8
Octal
105053021
10
Decimal
18109969
12
Duodecimal
6094381
16
Hexadecimal
1145611
20
Vigesimal
5d3ei9
36
Base36
as5qp
md5
1d3762d9613ea497425e3c9977c4f226
sha1
3808d3ca0b66825fce1ec5369e024e6d32b926ea
sha256
1e7c8f6017455327f22258696980d4eb881e5f3a7b9cd41964dd27d4efbdf39a
sha512
c1041afd91146ebe1547d62ac63518f631477421dc319ff20b91b190d38eb4c3eea2942323cd5173e1e5dc519d761f0988736026b8fe5e003efcb97e94265d8d
ripemd-160
b509ac1d6a558c8859b30bcfae1e149fdc9fc0d2
Diameter
36219938
Circumference
113788291.13428
Area
1.0303512125024E+15
Volume
2.4879504690041E+22
Surface area
4.1214048500095E+15
Circumference
113788291.13428
Perimeter
72439876
Area
327970977180961
Diagonal
25611363.773956
Surface area
1967825863085766
Volume
5.9395442296469E+21
Space diagonal
31367386.431497
Perimeter
54329907
Area
1.4201559897136E+14
Altitude
15683693.215749
Surface area
1.4201559897136E+14
Volume
6.9998200032346E+20
Height
8537121.2579854