18085849 is an odd 8-digits composite number following 18085848
and preceding 18085850 . In scientific notation, it is written as 1.8085849 × 10^7.
The sum of its digits is 43. It has a total of 2 prime factors and 4 positive divisors.
There are 18073060 positive integers (up to 18085849) that are relatively prime to 18085849.
18085849 has 4 divisors, whose sum is 18098640
The reverse of 18085849 is 94858081
Previous prime number is 1619
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 43
Digital Root 7
Name
eighteen million eighty-five thousand eight hundred forty-nine
Scientific notation
1.8085849 × 10^7
Engineering notation
1.8085849 × 10^6
Prime Factorization
1619 × 11171
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
18085849
Product of the distinct prime numbers
The prime factorization of 18085849 is 1619 × 11171.
Since it has a total of 2 prime factors.
7 , 9 , 58 , 52 , 972 , 255 , 4747 , 8939 , 60287 , 46851 , 257732 , 772235 , 9224274 , 1232911 , 51419281 , 70635388 , 910950103 , 566336860 , 1709122239 , 9335228140
n×2
36171698
n×3
54257547
n×4
72343396
n×5
90429245
n÷2
9042924.5
n÷3
6028616.3333333
n÷3
4521462.25
n÷5
3617169.8
n2
327097934050801
n3
5.9158438434547E+21
n4
1.069930584603E+29
n5
1.9350602993612E+36
2 √n
4252.746054022
3 √n
262.49012328674
4 √n
65.213081923967
5 √n
28.279243023006
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
-18085848
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 18085849 can be divided by 4 positive divisors.
The sum of these divisors (counting 18085849) is 1, the average is 0.25.
Base
System
Value
2
Binary
1000100111111011111011001
3
Ternary
1021000212010021
4
Quaternary
1010333133121
5
Quinary
14112221344
6
Senary
1443350441
8
Octal
104773731
10
Decimal
18085849
12
Duodecimal
6082421
16
Hexadecimal
113f7d9
20
Vigesimal
5d0ec9
36
Base36
arn4p
md5
5c01dbb4841fd95b4020d9ce16917508
sha1
2686a4120ef25ad3207d1c5b26d9ffc1ff8d6b97
sha256
ac893721db41f2a63adc72b4b3604988da1729b0320595b96f7ba6bf34881de1
sha512
74ebda637cede364d68c50618acee07a4f850f2ebc0dcedd2f34cd8fdeb0e5ec3be7c4c024b68ef8eb2a6a4295a6bb8e92c909c111a93aceb41aeb58d5218aa9
ripemd-160
708110d6157649d01eba8cec96c2b08f6d28964d
Diameter
36171698
Circumference
113636740.70467
Area
1.0276084666184E+15
Volume
2.4780228744509E+22
Surface area
4.1104338664736E+15
Circumference
113636740.70467
Perimeter
72343396
Area
327097934050801
Diagonal
25577252.942832
Surface area
1962587604304806
Volume
5.9158438434547E+21
Space diagonal
31325609.366019
Perimeter
54257547
Area
1.416375602067E+14
Altitude
15662804.683009
Surface area
1.416375602067E+14
Volume
6.9718888302459E+20
Height
8525750.980944