28291268 is an even 8-digits composite number following 28291267
and preceding 28291269 . In scientific notation, it is written as 2.8291268 × 10^7.
The sum of its digits is 38. It has a total of 4 prime factors and 12 positive divisors.
There are 14092512 positive integers (up to 28291268) that are relatively prime to 28291268.
28291268 has 12 divisors, whose sum is 49695660
The reverse of 28291268 is 86219282
Previous prime number is 269
Is Prime? no
Number parity even
Number length 8
Sum of Digits 38
Digital Root 2
Name
twenty-eight million two hundred ninety-one thousand two hundred sixty-eight
Scientific notation
2.8291268 × 10^7
Engineering notation
2.8291268 × 10^6
Prime Factorization
2 × 2 × 269 × 26293
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
14145634
Product of the distinct prime numbers
The prime factorization of 28291268 is 2 × 2 × 269 × 26293.
Since it has a total of 4 prime factors.
5 , 4 , 29 , 48 , 1 , 321 , 5060 , 3874 , 6144 , 35110 , 435189 , 886236 , 6573161 , 4238865 , 27241384 , 56300211 , 807011737 , 828518995 , 8876017101 , 7186287090
n×2
56582536
n×3
84873804
n×4
113165072
n×5
141456340
n÷2
14145634
n÷3
9430422.6666667
n÷3
7072817
n÷5
5658253.6
n2
800395845047824
n3
2.2644213358334E+22
n4
6.4063350876982E+29
n5
1.8124334286387E+37
2 √n
5318.9536565005
3 √n
304.70819712833
4 √n
72.931156966694
5 √n
30.926479316503
1 , 2 , 4 , 269 , 538 , 1076 , 26293 , 52586 , 105172 , 7072817 , 14145634 , 28291268
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
-28291267
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 28291268 can be divided by 12 positive divisors.
The sum of these divisors (counting 28291268) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1101011111011000011000100
3
Ternary
1222020100022202
4
Quaternary
1223323003010
5
Quinary
24220310033
6
Senary
2450214032
8
Octal
153730304
10
Decimal
28291268
12
Duodecimal
9584318
16
Hexadecimal
1afb0c4
20
Vigesimal
8gg838
36
Base36
gudok
md5
0af6792717b3029abaa72d5b8fd773ce
sha1
d0b7cb1013f35ee61d96ecfb82783c52780df2bc
sha256
894e90f3143d710b62c157271ee73bc4f9c690180a966e01b6569e70928acaf9
sha512
0f724bd0870ae448ee3f63ad184450599b65223191ded242d640bbfbc95a26f1fdb809004771f3f1f79667ddfd096ec691657fee40ab3feed238836bb2e637bb
ripemd-160
427e588602f7308db4f045845264a16b5c59d6c0
Diameter
56582536
Circumference
177759279.41908
Area
2.514517706766E+15
Volume
9.4851859110485E+22
Surface area
1.0058070827064E+16
Circumference
177759279.41908
Perimeter
113165072
Area
800395845047824
Diagonal
40009894.902332
Surface area
4802375070286944
Volume
2.2644213358334E+22
Space diagonal
49001913.586548
Perimeter
84873804
Area
3.4658156744746E+14
Altitude
24500956.793274
Surface area
3.4658156744746E+14
Volume
2.6686461367189E+21
Height
13336631.634111