18084985 is an odd 8-digits composite number following 18084984
and preceding 18084986 . In scientific notation, it is written as 1.8084985 × 10^7.
The sum of its digits is 43. It has a total of 2 prime factors and 4 positive divisors.
There are 14467984 positive integers (up to 18084985) that are relatively prime to 18084985.
18084985 has 4 divisors, whose sum is 21701988
The reverse of 18084985 is 58948081
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 43
Digital Root 7
Name
eighteen million eighty-four thousand nine hundred eighty-five
Scientific notation
1.8084985 × 10^7
Engineering notation
1.8084985 × 10^6
Prime Factorization
5 × 3616997
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
18084985
Product of the distinct prime numbers
The prime factorization of 18084985 is 5 × 3616997.
Since it has a total of 2 prime factors.
7 , 3 , 81 , 67 , 541 , 68 , 7903 , 8877 , 12571 , 56305 , 779112 , 604241 , 6085410 , 6161989 , 70318753 , 69607351 , 918930528 , 116227282 , 4356836783 , 3046423498
n×2
36169970
n×3
54254955
n×4
72339940
n×5
90424925
n÷2
9042492.5
n÷3
6028328.3333333
n÷3
4521246.25
n÷5
3616997
n2
327066682450225
n3
5.9149960461121E+21
n4
1.06972614769E+29
n5
1.9345981335081E+36
2 √n
4252.6444713848
3 √n
262.4859433138
4 √n
65.212303067633
5 √n
28.278972825761
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
-18084984
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 18084985 can be divided by 4 positive divisors.
The sum of these divisors (counting 18084985) is 1, the average is 0.25.
Base
System
Value
2
Binary
1000100111111010001111001
3
Ternary
1021000210221021
4
Quaternary
1010333101321
5
Quinary
14112204420
6
Senary
1443342441
8
Octal
104772171
10
Decimal
18084985
12
Duodecimal
6081a21
16
Hexadecimal
113f479
20
Vigesimal
5d0c95
36
Base36
armgp
md5
8107efb74d31c704e278c97029b7adf1
sha1
296b7924e656a1b9dd8b0bd1c6306a0d969340a1
sha256
4288728acfc8b970d8f456bcafee9e8f9e7ef88915699440d17f6c31bdc69236
sha512
2d93104eff30ebd7b13a5d49b0cafec304ea61594b680b8bab3f57cf5effd1e90a8e2cb9ef9d1a911a034339cbd2ac416d04095ab4194622b913fb48a7c256aa
ripemd-160
cda5a595173d29062a103f51e8ccd4198f1839ac
Diameter
36169970
Circumference
113631312.03256
Area
1.0275102868196E+15
Volume
2.4776677499305E+22
Surface area
4.1100411472785E+15
Circumference
113631312.03256
Perimeter
72339940
Area
327066682450225
Diagonal
25576031.062314
Surface area
1962400094701350
Volume
5.9149960461121E+21
Space diagonal
31324112.874121
Perimeter
54254955
Area
1.416240278667E+14
Altitude
15662056.437061
Surface area
1.416240278667E+14
Volume
6.9708896914958E+20
Height
8525343.687438