18220121 is an odd 8-digits prime number following 18220120
and preceding 18220122 . In scientific notation, it is written as 1.8220121 × 10^7.
The sum of its digits is 17. It has a total of 1 prime factors and 2 positive divisors.
There are 18220120 positive integers (up to 18220121) that are relatively prime to 18220121.
18220121 has 2 divisors, whose sum is 18220122
The reverse of 18220121 is 12102281
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 17
Digital Root 8
Name
eighteen million two hundred twenty thousand one hundred twenty-one
Scientific notation
1.8220121 × 10^7
Engineering notation
1.8220121 × 10^6
Prime Factorization
18220121
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
18220121
Product of the distinct prime numbers
The prime factorization of 18220121 is 18220121.
Since it has a total of 1 prime factors.
5 , 5 , 64 , 20 , 130 , 785 , 2163 , 6173 , 66886 , 25740 , 387937 , 962763 , 1231713 , 7348715 , 43919501 , 19182209 , 189998619 , 967656872 , 2509759825 , 953916234
n×2
36440242
n×3
54660363
n×4
72880484
n×5
91100605
n÷2
9110060.5
n÷3
6073373.6666667
n÷3
4555030.25
n÷5
3644024.2
n2
331972809254641
n3
6.0485847533295E+21
n4
1.1020594608442E+29
n5
2.0079656725776E+36
2 √n
4268.5033676922
3 √n
263.13811075059
4 √n
65.333784275
5 √n
28.321108731013
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
18220122
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
9110061
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
4268.5034848293
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999998902313
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 18220121 can be divided by 2 positive divisors.
The sum of these divisors (counting 18220121) is 18220122, the average is 9110061.
Base
System
Value
2
Binary
1000101100000010001011001
3
Ternary
1021021200022022
4
Quaternary
1011200101121
5
Quinary
14131020441
6
Senary
1450304225
8
Octal
105402131
10
Decimal
18220121
12
Duodecimal
6128075
16
Hexadecimal
1160459
20
Vigesimal
5dha61
36
Base36
auiqh
md5
695be191276179faeeca99b30953c519
sha1
1cb7bbc17d86e5df77603cb9c09e0d99882fabed
sha256
d85002e59f60fd2ed1c940e34a5d885ea44c4559a44bb04d40d8ee9f6706aa81
sha512
d357c5b4c6f882836688904d758995f13d2a594c992e9fa7e7b8101413371d90f0f2d6e9da5a55c0cf1ab54244dd87f09defd95566679a44cfab616fdcd3665a
ripemd-160
6f09c56f35b451698765f1e50df118283d0e3417
Diameter
36440242
Circumference
114480396.56223
Area
1.0429233387459E+15
Volume
2.5336252567567E+22
Surface area
4.1716933549838E+15
Circumference
114480396.56223
Perimeter
72880484
Area
331972809254641
Diagonal
25767142.226279
Surface area
1991836855527846
Volume
6.0485847533295E+21
Space diagonal
31558175.292053
Perimeter
54660363
Area
1.437484430901E+14
Altitude
15779087.646026
Surface area
1.437484430901E+14
Volume
7.1283254927681E+20
Height
8589047.4087596