18081121 is an odd 8-digits composite number following 18081120
and preceding 18081122 . In scientific notation, it is written as 1.8081121 × 10^7.
The sum of its digits is 22. It has a total of 2 prime factors and 4 positive divisors.
There are 17902000 positive integers (up to 18081121) that are relatively prime to 18081121.
18081121 has 4 divisors, whose sum is 18260244
The reverse of 18081121 is 12118081
Previous prime number is 101
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 22
Digital Root 4
Name
eighteen million eighty-one thousand one hundred twenty-one
Scientific notation
1.8081121 × 10^7
Engineering notation
1.8081121 × 10^6
Prime Factorization
101 × 179021
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
18081121
Product of the distinct prime numbers
The prime factorization of 18081121 is 101 × 179021.
Since it has a total of 2 prime factors.
9 , 9 , 39 , 61 , 449 , 391 , 9934 , 152 , 89742 , 46802 , 865867 , 245052 , 3761907 , 8352338 , 42502280 , 7327535 , 287966379 , 699378772 , 8317501996 , 5104593357
n×2
36162242
n×3
54243363
n×4
72324484
n×5
90405605
n÷2
9040560.5
n÷3
6027040.3333333
n÷3
4520280.25
n÷5
3616224.2
n2
326926936616641
n3
5.9112054991248E+21
n4
1.0688122188554E+29
n5
1.9325323055403E+36
2 √n
4252.1901415623
3 √n
262.46724791672
4 √n
65.208819507505
5 √n
28.277764317258
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
-18081120
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 18081121 can be divided by 4 positive divisors.
The sum of these divisors (counting 18081121) is 1, the average is 0.25.
Base
System
Value
2
Binary
1000100111110010101100001
3
Ternary
1021000121122011
4
Quaternary
1010332111201
5
Quinary
14112043441
6
Senary
1443312521
8
Octal
104762541
10
Decimal
18081121
12
Duodecimal
607b741
16
Hexadecimal
113e561
20
Vigesimal
5d02g1
36
Base36
arjhd
md5
4b1324ec0c7d4eb9821116743b9344bd
sha1
4ca0ccb43060193f9a476517f42785b02e5bbd3b
sha256
68db46b3b5e809e7b87ae8f85f2733f293fae37b6c3a9f28abb87153d1a8837a
sha512
5659d7a9133f13eab3e339795d9b56c0bfc09542b17e61082da2bc309ec9206ea15ccc209b28ac18b3fcd74558a27ab592fce42c64c2c40a434652a6e10af3ce
ripemd-160
86d8ff7f662bd39e4b431eb669e7f0b252648680
Diameter
36162242
Circumference
113607033.80454
Area
1.0270712623355E+15
Volume
2.4760799693213E+22
Surface area
4.1082850493418E+15
Circumference
113607033.80454
Perimeter
72324484
Area
326926936616641
Diagonal
25570566.541109
Surface area
1961561619699846
Volume
5.9112054991248E+21
Space diagonal
31317420.229801
Perimeter
54243363
Area
1.4156351614572E+14
Altitude
15658710.1149
Surface area
1.4156351614572E+14
Volume
6.9664224890306E+20
Height
8523522.1803697