18218982 is an even 8-digits composite number following 18218981
and preceding 18218983 . In scientific notation, it is written as 1.8218982 × 10^7.
The sum of its digits is 39. It has a total of 3 prime factors and 8 positive divisors.
There are 6072992 positive integers (up to 18218982) that are relatively prime to 18218982.
18218982 has 8 divisors, whose sum is 36437976
The reverse of 18218982 is 28981281
Previous prime number is 3
Is Prime? no
Number parity even
Number length 8
Sum of Digits 39
Digital Root 3
Name
eighteen million two hundred eighteen thousand nine hundred eighty-two
Scientific notation
1.8218982 × 10^7
Engineering notation
1.8218982 × 10^6
Prime Factorization
2 × 3 × 3036497
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
18218982
Product of the distinct prime numbers
The prime factorization of 18218982 is 2 × 3 × 3036497.
Since it has a total of 3 prime factors.
9 , 7 , 37 , 73 , 625 , 629 , 9909 , 478 , 5091 , 9251 , 577402 , 987310 , 8180294 , 2514150 , 26722081 , 677043 , 624250496 , 719347181 , 9154840882 , 3098247641
n×2
36437964
n×3
54656946
n×4
72875928
n×5
91094910
n÷2
9109491
n÷3
6072994
n÷3
4554745.5
n÷5
3643796.4
n2
331931305116324
n3
6.0474504731508E+21
n4
1.1017839131623E+29
n5
2.0073381281793E+36
2 √n
4268.3699464784
3 √n
263.13262742524
4 √n
65.33276319335
5 √n
28.320754632931
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
-18218981
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 18218982 can be divided by 8 positive divisors.
The sum of these divisors (counting 18218982) is 1, the average is 0.125.
Base
System
Value
2
Binary
1000101011111111111100110
3
Ternary
1021021121202010
4
Quaternary
1011133333212
5
Quinary
14131001412
6
Senary
1450255050
8
Octal
105377746
10
Decimal
18218982
12
Duodecimal
6127486
16
Hexadecimal
115ffe6
20
Vigesimal
5dh792
36
Base36
auhuu
md5
e2128eeeef08f82428893212203b30bf
sha1
89fd2dfc056dc433f8e8a07c7da2891fb0f3acc9
sha256
2dcf8f0e18e35b8addbc5d965de4632036e89218cbef2db91d444450c1123fc9
sha512
142de5e30a0572be04db0831010477454d06b319b051b774d2d2dd94f9e7bab6db93b4f97abe5f5f8f3a91b1ce72c741579142da4f0cfabe4433d97e8e7c210b
ripemd-160
cca6f275dea9f5148a753e73a59c2f63fc7e61ad
Diameter
36437964
Circumference
114473240.01417
Area
1.0427929496499E+15
Volume
2.5331501305865E+22
Surface area
4.1711717985997E+15
Circumference
114473240.01417
Perimeter
72875928
Area
331931305116324
Diagonal
25765531.437031
Surface area
1991587830697944
Volume
6.0474504731508E+21
Space diagonal
31556202.486183
Perimeter
54656946
Area
1.4373047127103E+14
Altitude
15778101.243091
Surface area
1.4373047127103E+14
Volume
7.1269887307579E+20
Height
8588510.4790104