18085145 is an odd 8-digits composite number following 18085144
and preceding 18085146 . In scientific notation, it is written as 1.8085145 × 10^7.
The sum of its digits is 32. It has a total of 3 prime factors and 8 positive divisors.
There are 13355136 positive integers (up to 18085145) that are relatively prime to 18085145.
18085145 has 8 divisors, whose sum is 23371656
The reverse of 18085145 is 54158081
Previous prime number is 13
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 32
Digital Root 5
Name
eighteen million eighty-five thousand one hundred forty-five
Scientific notation
1.8085145 × 10^7
Engineering notation
1.8085145 × 10^6
Prime Factorization
5 × 13 × 278233
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
18085145
Product of the distinct prime numbers
The prime factorization of 18085145 is 5 × 13 × 278233.
Since it has a total of 3 prime factors.
7 , 9 , 35 , 60 , 586 , 712 , 1780 , 2890 , 53925 , 78775 , 327369 , 452306 , 7848778 , 7700461 , 50160068 , 27787741 , 548397313 , 518130301 , 1415548460 , 4496208990
n×2
36170290
n×3
54255435
n×4
72340580
n×5
90425725
n÷2
9042572.5
n÷3
6028381.6666667
n÷3
4521286.25
n÷5
3617029
n2
327072469671025
n3
5.9151530395086E+21
n4
1.069764004167E+29
n5
1.9346837131141E+36
2 √n
4252.6632831674
3 √n
262.48671739291
4 √n
65.212447302393
5 √n
28.279022863067
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
-18085144
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 18085145 can be divided by 8 positive divisors.
The sum of these divisors (counting 18085145) is 1, the average is 0.125.
Base
System
Value
2
Binary
1000100111111010100011001
3
Ternary
1021000211011012
4
Quaternary
1010333110121
5
Quinary
14112211040
6
Senary
1443343305
8
Octal
104772431
10
Decimal
18085145
12
Duodecimal
6081b35
16
Hexadecimal
113f519
20
Vigesimal
5d0ch5
36
Base36
arml5
md5
4f76b30fb2ec3b7f1862a79de6b2df20
sha1
bfca9bd2e49207047f97112ab70c1b19d3277eb6
sha256
78014b9bd79beabec764fb9385e38b5486adba52a0421eeb1f98d520aae0cd4c
sha512
47fca223d1ae373fad02be95ce0e61713fbee441142fe21377ce5df2df5083f10e1f01c82ecf3b31aa87775415e53a565c29a6e70015ca772bed610467e3ee6c
ripemd-160
4e45ed64de2a8f20d103237db0c68720901323f9
Diameter
36170290
Circumference
113632317.34221
Area
1.02752846791E+15
Volume
2.4777335111706E+22
Surface area
4.1101138716398E+15
Circumference
113632317.34221
Perimeter
72340580
Area
327072469671025
Diagonal
25576257.336484
Surface area
1962434818026150
Volume
5.9151530395086E+21
Space diagonal
31324390.00225
Perimeter
54255435
Area
1.4162653380681E+14
Altitude
15662195.001125
Surface area
1.4162653380681E+14
Volume
6.9710747099879E+20
Height
8525419.1121613