18090018 is an even 8-digits composite number following 18090017
and preceding 18090019 . In scientific notation, it is written as 1.8090018 × 10^7.
The sum of its digits is 27. It has a total of 5 prime factors and 24 positive divisors.
There are 5901432 positive integers (up to 18090018) that are relatively prime to 18090018.
18090018 has 24 divisors, whose sum is 40030848
The reverse of 18090018 is 81009081
Previous prime number is 47
Is Prime? no
Number parity even
Number length 8
Sum of Digits 27
Digital Root 9
Name
eighteen million ninety thousand eighteen
Scientific notation
1.8090018 × 10^7
Engineering notation
1.8090018 × 10^6
Prime Factorization
2 × 3 × 3 × 47 × 21383
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
6030006
Product of the distinct prime numbers
The prime factorization of 18090018 is 2 × 3 × 3 × 47 × 21383.
Since it has a total of 5 prime factors.
7 , 9 , 96 , 76 , 466 , 585 , 8849 , 9916 , 59627 , 4212 , 156694 , 29713 , 6734646 , 7726605 , 83593856 , 43066430 , 725551900 , 129168008 , 3708069923 , 3564118075
n×2
36180036
n×3
54270054
n×4
72360072
n×5
90450090
n÷2
9045009
n÷3
6030006
n÷3
4522504.5
n÷5
3618003.6
n2
327248751240324
n3
5.919935800415E+21
n4
1.0709174518835E+29
n5
1.9372915981087E+36
2 √n
4253.2361796637
3 √n
262.51029075303
4 √n
65.216839693929
5 √n
28.280546642152
1 , 2 , 3 , 6 , 9 , 18 , 47 , 94 , 141 , 282 , 423 , 846 , 21383 , 42766 , 64149 , 128298 , 192447 , 384894 , 1005001 , 2010002 , 3015003 , 6030006 , 9045009 , 18090018
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-18090017
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 18090018 can be divided by 24 positive divisors.
The sum of these divisors (counting 18090018) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1000101000000100000100010
3
Ternary
1021001001211200
4
Quaternary
1011000200202
5
Quinary
14112340033
6
Senary
1443422030
8
Octal
105004042
10
Decimal
18090018
12
Duodecimal
6084916
16
Hexadecimal
1140822
20
Vigesimal
5d150i
36
Base36
arqci
md5
55084560f8703c9484e5acd450b8a302
sha1
8a2a5fe97273cb8d8ebf8d1676550c2908dea4e6
sha256
cae35ec50ca7b520f16ed10067659f73eef63792a14e73be11d32d44edaa997b
sha512
b6bd2b16fe8a8cabd0a32b963a53fdf1642aeea162d367923d9b221f3e64878febe9c5492f0a8d5e54b232a0fe59f4f992cb2235150981bcd6c8b93ef3000985
ripemd-160
bc399adbe4f7bc8c99081b1f5e5b16029a7a0d7a
Diameter
36180036
Circumference
113662935.30421
Area
1.028082272793E+15
Volume
2.4797369093743E+22
Surface area
4.1123290911721E+15
Circumference
113662935.30421
Perimeter
72360072
Area
327248751240324
Diagonal
25583148.799173
Surface area
1963492507441944
Volume
5.919935800415E+21
Space diagonal
31332830.285836
Perimeter
54270054
Area
1.4170286596543E+14
Altitude
15666415.142918
Surface area
1.4170286596543E+14
Volume
6.9767112477707E+20
Height
8527716.2663911