28103428 is an even 8-digits composite number following 28103427
and preceding 28103429 . In scientific notation, it is written as 2.8103428 × 10^7.
The sum of its digits is 28. It has a total of 4 prime factors and 12 positive divisors.
There are 13967240 positive integers (up to 28103428) that are relatively prime to 28103428.
28103428 has 12 divisors, whose sum is 49476672
The reverse of 28103428 is 82430182
Previous prime number is 167
Is Prime? no
Number parity even
Number length 8
Sum of Digits 28
Digital Root 1
Name
twenty-eight million one hundred three thousand four hundred twenty-eight
Scientific notation
2.8103428 × 10^7
Engineering notation
2.8103428 × 10^6
Prime Factorization
2 × 2 × 167 × 42071
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
14051714
Product of the distinct prime numbers
The prime factorization of 28103428 is 2 × 2 × 167 × 42071.
Since it has a total of 4 prime factors.
5 , 3 , 20 , 80 , 936 , 241 , 1251 , 5148 , 6507 , 77224 , 171648 , 339915 , 9357400 , 1672218 , 51687796 , 12771173 , 799421183 , 192894380 , 6453474015 , 2353647852
n×2
56206856
n×3
84310284
n×4
112413712
n×5
140517140
n÷2
14051714
n÷3
9367809.3333333
n÷3
7025857
n÷5
5620685.6
n2
789802665351184
n3
2.2196162339905E+22
n4
6.2378825019583E+29
n5
1.7530588176625E+37
2 √n
5301.2666410963
3 √n
304.03232862563
4 √n
72.809797699872
5 √n
30.885302513921
1 , 2 , 4 , 167 , 334 , 668 , 42071 , 84142 , 168284 , 7025857 , 14051714 , 28103428
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
-28103427
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 28103428 can be divided by 12 positive divisors.
The sum of these divisors (counting 28103428) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1101011001101001100000100
3
Ternary
1221212210122201
4
Quaternary
1223031030010
5
Quinary
24143302203
6
Senary
2442204244
8
Octal
153151404
10
Decimal
28103428
12
Duodecimal
94b3684
16
Hexadecimal
1acd304
20
Vigesimal
8fcib8
36
Base36
gqcqs
md5
42fb2d7a1962973aa7c41b2c8640884c
sha1
bf334dbb3be211ee186da947c609eb1d412d7456
sha256
2c3cfb48213fb2d5de4efafb333d4f259100ec892243955c1ef3aeec1f69b165
sha512
8340ff07b1869c531bada9e1aadc7e52f491bee16934b44f3e4d86e8e6eba80f72c20178133c018a0588dc76353c3b877171d0ad4a55963589ec7b5545922134
ripemd-160
435c3eec0822cd748d4cfe943f2c7350e4f0f973
Diameter
56206856
Circumference
176579045.89098
Area
2.4812382512529E+15
Volume
9.2975067393243E+22
Surface area
9.9249530050117E+15
Circumference
176579045.89098
Perimeter
112413712
Area
789802665351184
Diagonal
39744249.026776
Surface area
4738815992107104
Volume
2.2196162339905E+22
Space diagonal
48676565.162854
Perimeter
84310284
Area
3.4199458608539E+14
Altitude
24338282.581427
Surface area
3.4199458608539E+14
Volume
2.6158428178107E+21
Height
13248083.008925