1805428 is an even 7-digits composite number following 1805427
and preceding 1805429 . In scientific notation, it is written as 1.805428 × 10^6.
The sum of its digits is 28. It has a total of 4 prime factors and 12 positive divisors.
There are 897152 positive integers (up to 1805428) that are relatively prime to 1805428.
1805428 has 12 divisors, whose sum is 3178980
The reverse of 1805428 is 8245081
Previous prime number is 173
Is Prime? no
Number parity even
Number length 7
Sum of Digits 28
Digital Root 1
Name
one million eight hundred five thousand four hundred twenty-eight
Scientific notation
1.805428 × 10^6
Engineering notation
1.805428 × 10^6
Prime Factorization
2 × 2 × 173 × 2609
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
902714
Product of the distinct prime numbers
The prime factorization of 1805428 is 2 × 2 × 173 × 2609.
Since it has a total of 4 prime factors.
4 , 6 , 16 , 33 , 731 , 152 , 4500 , 188 , 46264 , 14944 , 305020 , 783758 , 252136 , 3753878 , 39467352 , 67624382 , 805795058 , 95508156 , 4271256280 , 6145472224
n×2
3610856
n×3
5416284
n×4
7221712
n×5
9027140
n÷2
902714
n÷3
601809.33333333
n÷3
451357
n÷5
361085.6
n2
3259570263184
n3
5884919421119762752
n4
1.0624798300633E+25
n5
1.9182308346316E+31
2 √n
1343.6621599197
3 √n
121.76619199495
4 √n
36.655997598206
5 √n
17.836762708382
1 , 2 , 4 , 173 , 346 , 692 , 2609 , 5218 , 10436 , 451357 , 902714 , 1805428
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-1805427
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1805428 can be divided by 12 positive divisors.
The sum of these divisors (counting 1805428) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
110111000110001110100
3
Ternary
10101201120201
4
Quaternary
12320301310
5
Quinary
430233203
6
Senary
102410244
8
Octal
6706164
10
Decimal
1805428
12
Duodecimal
730984
16
Hexadecimal
1b8c74
20
Vigesimal
b5db8
36
Base36
12p2s
md5
7a3114f781dc25eb9b65d819ca528d77
sha1
7c15857bcc65f8afa99149086f513d5599c55d5c
sha256
52e6bbcea77a100fb1bde14c5dbf27d713777e05518eb6571ca70cfbce05bf21
sha512
f0138df08256c146d0536e04eb3c9d27b1ccadcd16c84f0ecbdb259a4ca330694c8d765f3d3d85740590f98648274b9c6309ea171f51e1b614b8a786198c2290
ripemd-160
a2814bae99034b01e71fcb7a8ce044b889dea3a2
Diameter
3610856
Circumference
11343838.682771
Area
10240241992679
Volume
2.4650692827144E+19
Surface area
40960967970714
Circumference
11343838.682771
Perimeter
7221712
Area
3259570263184
Diagonal
2553260.7634881
Surface area
19557421579104
Volume
5884919421119762752
Space diagonal
3127093.0254075
Perimeter
5416284
Area
1411435326668.8
Altitude
1563546.5127037
Surface area
1411435326668.8
Volume
6.935444049017E+17
Height
851086.92116271