2018221 is an odd 7-digits composite number following 2018220
and preceding 2018222 . In scientific notation, it is written as 2.018221 × 10^6.
The sum of its digits is 16. It has a total of 2 prime factors and 4 positive divisors.
There are 2010112 positive integers (up to 2018221) that are relatively prime to 2018221.
2018221 has 4 divisors, whose sum is 2026332
The reverse of 2018221 is 1228102
Previous prime number is 257
Is Prime? no
Number parity odd
Number length 7
Sum of Digits 16
Digital Root 7
Name
two million eighteen thousand two hundred twenty-one
Scientific notation
2.018221 × 10^6
Engineering notation
2.018221 × 10^6
Prime Factorization
257 × 7853
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
2018221
Product of the distinct prime numbers
The prime factorization of 2018221 is 257 × 7853.
Since it has a total of 2 prime factors.
4 , 6 , 63 , 13 , 603 , 21 , 1086 , 843 , 78346 , 56536 , 216322 , 524022 , 5678606 , 2281334 , 60045536 , 2198092 , 445276980 , 257061917 , 1955491548 , 3640126925
n×2
4036442
n×3
6054663
n×4
8072884
n×5
10091105
n÷2
1009110.5
n÷3
672740.33333333
n÷3
504555.25
n÷5
403644.2
n2
4073216004841
n3
8220650078506207861
n4
1.6591088622093E+25
n5
3.3484483469969E+31
2 √n
1420.641052483
3 √n
126.37356591509
4 √n
37.691392286343
5 √n
18.238694299999
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
-2018220
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 2018221 can be divided by 4 positive divisors.
The sum of these divisors (counting 2018221) is 1, the average is 0.25.
Base
System
Value
2
Binary
111101100101110101101
3
Ternary
10210112110221
4
Quaternary
13230232231
5
Quinary
1004040341
6
Senary
111131341
8
Octal
7545655
10
Decimal
2018221
12
Duodecimal
813b51
16
Hexadecimal
1ecbad
20
Vigesimal
cc5b1
36
Base36
1799p
md5
0df1e865deeabbbdc44cee51f11cdd2e
sha1
ecee69768160a9608683091efd9490176c7c7fb2
sha256
794cf0798dc7861eed8398830a9eef398fed5201ad125b6bfee8629928161148
sha512
23ce399a9851f8e729c81974b4f2a15be31603fa4585972c836fcfab42a750a0eb1c8af7d87de78ab7b3912280a84676aa9254296a8e597bb1a096462337436f
ripemd-160
a4bb42e9eaa92afff03187df42b255447f0ee971
Diameter
4036442
Circumference
12680856.533841
Area
12796385477293
Volume
3.4434578525823E+19
Surface area
51185541909171
Circumference
12680856.533841
Perimeter
8072884
Area
4073216004841
Diagonal
2854195.5100662
Surface area
24439296029046
Volume
8220650078506207861
Space diagonal
3495661.3129025
Perimeter
6054663
Area
1763754267646.8
Altitude
1747830.6564512
Surface area
1763754267646.8
Volume
9.6881290271224E+17
Height
951398.5033554