18818086 is an even 8-digits composite number following 18818085
and preceding 18818087 . In scientific notation, it is written as 1.8818086 × 10^7.
The sum of its digits is 40. It has a total of 4 prime factors and 16 positive divisors.
There are 7953984 positive integers (up to 18818086) that are relatively prime to 18818086.
18818086 has 16 divisors, whose sum is 32703264
The reverse of 18818086 is 68081881
Previous prime number is 73
Is Prime? no
Number parity even
Number length 8
Sum of Digits 40
Digital Root 4
Name
eighteen million eight hundred eighteen thousand eighty-six
Scientific notation
1.8818086 × 10^7
Engineering notation
1.8818086 × 10^6
Prime Factorization
2 × 7 × 73 × 18413
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
18818086
Product of the distinct prime numbers
The prime factorization of 18818086 is 2 × 7 × 73 × 18413.
Since it has a total of 4 prime factors.
7 , 3 , 27 , 1 , 943 , 785 , 7629 , 6232 , 83410 , 51700 , 19932 , 249251 , 6326885 , 5164517 , 2879385 , 57116173 , 280238120 , 868550859 , 5062446523 , 3987772031
n×2
37636172
n×3
56454258
n×4
75272344
n×5
94090430
n÷2
9409043
n÷3
6272695.3333333
n÷3
4704521.5
n÷5
3763617.2
n2
354120360703396
n3
6.6638674020675E+21
n4
1.254012298647E+29
n5
2.3598111280998E+36
2 √n
4337.9817888046
3 √n
265.98581905669
4 √n
65.863356950618
5 √n
28.504609109129
1 , 2 , 7 , 14 , 73 , 146 , 511 , 1022 , 18413 , 36826 , 128891 , 257782 , 1344149 , 2688298 , 9409043 , 18818086
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-18818085
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 18818086 can be divided by 16 positive divisors.
The sum of these divisors (counting 18818086) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1000111110010010000100110
3
Ternary
1022102001120011
4
Quaternary
1013302100212
5
Quinary
14304134321
6
Senary
1511200434
8
Octal
107622046
10
Decimal
18818086
12
Duodecimal
637611a
16
Hexadecimal
11f2426
20
Vigesimal
5hc546
36
Base36
b7c4m
md5
07db9a6a4d357ec0438a3b5202cbe1a1
sha1
45d1ffa41eefb4e6386e1b0cf839b2d3857acff0
sha256
61d4678c103307f7aaafdca989a285d871ee66061f131e886bb8bc9f6a400971
sha512
24f9d1a4391df06b26e57a8a3a62b5d5e43770e73155518895d829bb716e29b4ba65261163c38df7c446d99fc0211a05c969a07a9d23ef12448748ddba976348
ripemd-160
a7efc7ccacd2921d3c20390ab9a1da98b7b129af
Diameter
37636172
Circumference
118237521.46444
Area
1.1125019236724E+15
Volume
2.7913542499776E+22
Surface area
4.4500076946894E+15
Circumference
118237521.46444
Perimeter
75272344
Area
354120360703396
Diagonal
26612792.439103
Surface area
2124722164220376
Volume
6.6638674020675E+21
Space diagonal
32593881.053201
Perimeter
56454258
Area
1.5333861418322E+14
Altitude
16296940.5266
Surface area
1.5333861418322E+14
Volume
7.8534430482165E+20
Height
8870930.8130344