2045390 is an even 7-digits composite number following 2045389
and preceding 2045391 . In scientific notation, it is written as 2.045390 × 10^6.
The sum of its digits is 23. It has a total of 4 prime factors and 16 positive divisors.
There are 782496 positive integers (up to 2045390) that are relatively prime to 2045390.
2045390 has 16 divisors, whose sum is 3842208
The reverse of 2045390 is 0935402
Previous prime number is 23
Is Prime? no
Number parity even
Number length 7
Sum of Digits 23
Digital Root 5
Name
two million forty-five thousand three hundred ninety
Scientific notation
2.045390 × 10^6
Engineering notation
2.045390 × 10^6
Prime Factorization
2 × 5 × 23 × 8893
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
2045390
Product of the distinct prime numbers
The prime factorization of 2045390 is 2 × 5 × 23 × 8893.
Since it has a total of 4 prime factors.
5 , 1 , 3 , 47 , 579 , 564 , 3883 , 2228 , 68945 , 79920 , 801624 , 556925 , 5403005 , 5352135 , 20149689 , 83337799 , 41957940 , 117822513 , 9243499082 , 2965645309
n×2
4090780
n×3
6136170
n×4
8181560
n×5
10226950
n÷2
1022695
n÷3
681796.66666667
n÷3
511347.5
n÷5
409078
n2
4183620252100
n3
8557135027442819000
n4
1.7502678413781E+25
n5
3.5799803400764E+31
2 √n
1430.1713184091
3 √n
126.93811439172
4 √n
37.817605931749
5 √n
18.287537330647
1 , 2 , 5 , 10 , 23 , 46 , 115 , 230 , 8893 , 17786 , 44465 , 88930 , 204539 , 409078 , 1022695 , 2045390
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-2045389
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 2045390 can be divided by 16 positive divisors.
The sum of these divisors (counting 2045390) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111110011010111001110
3
Ternary
10211220202012
4
Quaternary
13303113032
5
Quinary
1010423030
6
Senary
111501222
8
Octal
7632716
10
Decimal
2045390
12
Duodecimal
827812
16
Hexadecimal
1f35ce
20
Vigesimal
cfd9a
36
Base36
17u8e
md5
daa98264533078bb00379801e54a16c9
sha1
787b72440653773318b1086d545a547bd2a2ed16
sha256
dbe364bb15de9ba84d45539dc9716f094dbdba5b76ce137c37a625ad72e5676f
sha512
bb643874228e0c9ab3903cb34e7cf72bb9c6669d6b43b3c93aa9b06db320783e1e5e3ddd34c1d449c191bec80f9f201f9d7059e047d3e464ab25fb3eea98c9fe
ripemd-160
f400c22386ff52e8876fd331fd7ffffd91904bf7
Diameter
4090780
Circumference
12851564.395452
Area
13143230649407
Volume
3.5844043383987E+19
Surface area
52572922597627
Circumference
12851564.395452
Perimeter
8181560
Area
4183620252100
Diagonal
2892618.2783423
Surface area
25101721512600
Volume
8557135027442819000
Space diagonal
3542719.4012933
Perimeter
6136170
Area
1811560709052.8
Altitude
1771359.7006467
Surface area
1811560709052.8
Volume
1.008468034239E+18
Height
964206.09278077