2221605 is an odd 7-digits composite number following 2221604
and preceding 2221606 . In scientific notation, it is written as 2.221605 × 10^6.
The sum of its digits is 18. It has a total of 3 prime factors and 8 positive divisors.
There are 1184832 positive integers (up to 2221605) that are relatively prime to 2221605.
2221605 has 8 divisors, whose sum is 2962200
The reverse of 2221605 is 5061222
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 7
Sum of Digits 18
Digital Root 9
Name
two million two hundred twenty-one thousand six hundred five
Scientific notation
2.221605 × 10^6
Engineering notation
2.221605 × 10^6
Prime Factorization
9 × 5 × 49369
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
2221605
Product of the distinct prime numbers
The prime factorization of 2221605 is 9 × 5 × 49369.
Since it has a total of 3 prime factors.
8 , 8 , 92 , 74 , 825 , 247 , 4755 , 7320 , 84026 , 14098 , 583069 , 556131 , 9129555 , 9869620 , 91168146 , 42869509 , 961149062 , 994991160 , 5529792437 , 5745441986
n×2
4443210
n×3
6664815
n×4
8886420
n×5
11108025
n÷2
1110802.5
n÷3
740535
n÷3
555401.25
n÷5
444321
n2
4935528776025
n3
1.0964795406461E+19
n4
2.4359444298971E+25
n5
5.4117063251815E+31
2 √n
1490.5049479958
3 √n
130.4835052037
4 √n
38.607058266537
5 √n
18.592310720485
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
-2221604
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 2221605 can be divided by 8 positive divisors.
The sum of these divisors (counting 2221605) is 1, the average is 0.125.
Base
System
Value
2
Binary
1000011110011000100101
3
Ternary
11011212110200
4
Quaternary
20132120211
5
Quinary
1032042410
6
Senary
115341113
8
Octal
10363045
10
Decimal
2221605
12
Duodecimal
8b1799
16
Hexadecimal
21e625
20
Vigesimal
dhe05
36
Base36
1bm79
md5
256fcffad67f67d244a1cf9140b88156
sha1
6e822fec08f36c1bd698637d260f92b444a4f46c
sha256
58cead929b9661c92aa6077e9552349d267c8d960f372bf78c857b862de52e33
sha512
7bdd687f76f638e45138be109848b5a1640e94c23f9a3805e7569a50130c70c63051c3c77d157191de5772fd83d7deaf56da972aa9c3b462146d2d03108e969a
ripemd-160
b950b898f883739286cd342cdee09417ffe9d2c9
Diameter
4443210
Circumference
13958755.894357
Area
15505420944341
Volume
4.5929227596071E+19
Surface area
62021683777365
Circumference
13958755.894357
Perimeter
8886420
Area
4935528776025
Diagonal
3141823.9212359
Surface area
29613172656150
Volume
1.0964795406461E+19
Space diagonal
3847932.7343491
Perimeter
6664815
Area
2137146650573.4
Altitude
1923966.3671745
Surface area
2137146650573.4
Volume
1.2922135310386E+18
Height
1047274.640412