2018121 is an odd 7-digits composite number following 2018120
and preceding 2018122 . In scientific notation, it is written as 2.018121 × 10^6.
The sum of its digits is 15. It has a total of 2 prime factors and 4 positive divisors.
There are 1085184 positive integers (up to 2018121) that are relatively prime to 2018121.
2018121 has 4 divisors, whose sum is 2024132
The reverse of 2018121 is 1218102
Previous prime number is 357
Is Prime? no
Number parity odd
Number length 7
Sum of Digits 15
Digital Root 6
Name
two million eighteen thousand one hundred twenty-one
Scientific notation
2.018121 × 10^6
Engineering notation
2.018121 × 10^6
Prime Factorization
357 × 5653
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
2018121
Product of the distinct prime numbers
The prime factorization of 2018121 is 357 × 5653.
Since it has a total of 2 prime factors.
5 , 1 , 82 , 81 , 590 , 631 , 4170 , 5140 , 11914 , 23425 , 282272 , 216786 , 9470194 , 5199773 , 7566916 , 99735759 , 331676214 , 421458822 , 9265674479 , 9866113538
n×2
4036242
n×3
6054363
n×4
8072484
n×5
10090605
n÷2
1009060.5
n÷3
672707
n÷3
504530.25
n÷5
403624.2
n2
4072812370641
n3
8219428174250385561
n4
1.6587800606446E+25
n5
3.3476188747682E+31
2 √n
1420.6058566682
3 √n
126.37147867005
4 √n
37.690925388855
5 √n
18.238513556108
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
-2018120
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 2018121 can be divided by 4 positive divisors.
The sum of these divisors (counting 2018121) is 1, the average is 0.25.
Base
System
Value
2
Binary
111101100101101001001
3
Ternary
10210112100020
4
Quaternary
13230231021
5
Quinary
1004034441
6
Senary
111131053
8
Octal
7545511
10
Decimal
2018121
12
Duodecimal
813a89
16
Hexadecimal
1ecb49
20
Vigesimal
cc561
36
Base36
1796x
md5
7029cd044a9dd5a252eef8612bb82087
sha1
aeb0d20d7dc7bccbec2d3e5c60b81e1ce2b877d7
sha256
86b458bb3a4aba58face13130a90c84272720c691d9f7f439e94cba981578e44
sha512
1c678fb152278bc59119e4ef8eb2830f9e0a0f529be0652d2c67684a451a615597fed4ddccdc209216434e38687043761fc623a523415f6b9a228391aae167b0
ripemd-160
b4131b2d0ca1fd5e77da7d63eb80725520d8caea
Diameter
4036242
Circumference
12680228.215311
Area
12795117423055
Volume
3.4429460225245E+19
Surface area
51180469692222
Circumference
12680228.215311
Perimeter
8072484
Area
4072812370641
Diagonal
2854054.08871
Surface area
24436874223846
Volume
8219428174250385561
Space diagonal
3495488.1078217
Perimeter
6054363
Area
1763579488911.3
Altitude
1747744.0539109
Surface area
1763579488911.3
Volume
9.686688999147E+17
Height
951351.36290332