18085939 is an odd 8-digits composite number following 18085938
and preceding 18085940 . In scientific notation, it is written as 1.8085939 × 10^7.
The sum of its digits is 43. It has a total of 2 prime factors and 4 positive divisors.
There are 17981224 positive integers (up to 18085939) that are relatively prime to 18085939.
18085939 has 4 divisors, whose sum is 18190656
The reverse of 18085939 is 93958081
Previous prime number is 173
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 43
Digital Root 7
Name
eighteen million eighty-five thousand nine hundred thirty-nine
Scientific notation
1.8085939 × 10^7
Engineering notation
1.8085939 × 10^6
Prime Factorization
173 × 104543
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
18085939
Product of the distinct prime numbers
The prime factorization of 18085939 is 173 × 104543.
Since it has a total of 2 prime factors.
2 , 7 , 93 , 49 , 701 , 102 , 4384 , 9028 , 8164 , 94306 , 213291 , 652947 , 7380082 , 1203935 , 88056067 , 65252818 , 57404596 , 414513716 , 6975294299 , 246235379
n×2
36171878
n×3
54257817
n×4
72343756
n×5
90429695
n÷2
9042969.5
n÷3
6028646.3333333
n÷3
4521484.75
n÷5
3617187.8
n2
327101189511721
n3
5.9159321603364E+21
n4
1.0699518817998E+29
n5
1.9351084467167E+36
2 √n
4252.7566354072
3 √n
262.49055869293
4 √n
65.21316305323
5 √n
28.279271167959
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
-18085938
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 18085939 can be divided by 4 positive divisors.
The sum of these divisors (counting 18085939) is 1, the average is 0.25.
Base
System
Value
2
Binary
1000100111111100000110011
3
Ternary
1021000212020121
4
Quaternary
1010333200303
5
Quinary
14112222224
6
Senary
1443351111
8
Octal
104774063
10
Decimal
18085939
12
Duodecimal
6082497
16
Hexadecimal
113f833
20
Vigesimal
5d0egj
36
Base36
arn77
md5
7ae3b5cefb908192e136c8b19a4adffb
sha1
05b7ddba971f1adfa9aec056d3eaeba302e1d27b
sha256
0dd22daa8555866a3642ea7464ee853251f0a052288ebd7525ea85d7f994ff77
sha512
097cbada21f3ec9d39940f77d0f4b6ef54382da96cdac30b843435516d5ecb72a800d6efe0d621d43bc80f2dab62b345363c3395baab5cf03a7acad6a0479ab9
ripemd-160
7da3e0be4a404406de73e4a6c1a44c84069f934d
Diameter
36171878
Circumference
113637306.19135
Area
1.0276186939505E+15
Volume
2.4780598685398E+22
Surface area
4.110474775802E+15
Circumference
113637306.19135
Perimeter
72343756
Area
327101189511721
Diagonal
25577380.222052
Surface area
1962607137070326
Volume
5.9159321603364E+21
Space diagonal
31325765.250591
Perimeter
54257817
Area
1.4163896986263E+14
Altitude
15662882.625296
Surface area
1.4163896986263E+14
Volume
6.9719929126891E+20
Height
8525793.4073508