28068428 is an even 8-digits composite number following 28068427
and preceding 28068429 . In scientific notation, it is written as 2.8068428 × 10^7.
The sum of its digits is 38. It has a total of 4 prime factors and 12 positive divisors.
There are 13208640 positive integers (up to 28068428) that are relatively prime to 28068428.
28068428 has 12 divisors, whose sum is 52009272
The reverse of 28068428 is 82486082
Previous prime number is 17
Is Prime? no
Number parity even
Number length 8
Sum of Digits 38
Digital Root 2
Name
twenty-eight million sixty-eight thousand four hundred twenty-eight
Scientific notation
2.8068428 × 10^7
Engineering notation
2.8068428 × 10^6
Prime Factorization
2 × 2 × 17 × 412771
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
14034214
Product of the distinct prime numbers
The prime factorization of 28068428 is 2 × 2 × 17 × 412771.
Since it has a total of 4 prime factors.
10 , 1 , 57 , 57 , 879 , 403 , 3390 , 5155 , 38635 , 92323 , 781032 , 982016 , 1852252 , 3418682 , 16408946 , 19431884 , 627349652 , 88685051 , 1431984921 , 6245731868
n×2
56136856
n×3
84205284
n×4
112273712
n×5
140342140
n÷2
14034214
n÷3
9356142.6666667
n÷3
7017107
n÷5
5613685.6
n2
787836650391184
n3
2.2113336297266E+22
n4
6.206865876996E+29
n5
1.7421696797412E+37
2 √n
5297.9645147925
3 √n
303.90606227302
4 √n
72.7871177805
5 √n
30.877605769635
1 , 2 , 4 , 17 , 34 , 68 , 412771 , 825542 , 1651084 , 7017107 , 14034214 , 28068428
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
-28068427
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 28068428 can be divided by 12 positive divisors.
The sum of these divisors (counting 28068428) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1101011000100101001001100
3
Ternary
1221211000122102
4
Quaternary
1223010221030
5
Quinary
24141142203
6
Senary
2441334232
8
Octal
153045114
10
Decimal
28068428
12
Duodecimal
9497378
16
Hexadecimal
1ac4a4c
20
Vigesimal
8f8b18
36
Base36
gplqk
md5
c68da01d2c777279eaaa35fec4eda7cf
sha1
f7b58659bd3178ade90f8dad05820bfc14456565
sha256
29777d3d688f4f19b20be1aa2f66f7f09eb8150b08b9c96bebd0b2e38bbea055
sha512
5968c72acb2af53decb544535dd9d303c98ae8ae5d70d8b7b604dabf7b12b37c81f859be925bb6d16bf4fa7c8f8613716921bcd81e14a9d5114b8afd688ef9b4
ripemd-160
b158fea1fadde48e1dee492e60503b5297434f7d
Diameter
56136856
Circumference
176359134.40523
Area
2.4750618330977E+15
Volume
9.2628126477136E+22
Surface area
9.9002473323909E+15
Circumference
176359134.40523
Perimeter
112273712
Area
787836650391184
Diagonal
39694751.552093
Surface area
4727019902347104
Volume
2.2113336297266E+22
Space diagonal
48615943.384589
Perimeter
84205284
Area
3.411432766356E+14
Altitude
24307971.692294
Surface area
3.411432766356E+14
Volume
2.6060816750759E+21
Height
13231583.850698