28393428 is an even 8-digits composite number following 28393427
and preceding 28393429 . In scientific notation, it is written as 2.8393428 × 10^7.
The sum of its digits is 39. It has a total of 5 prime factors and 24 positive divisors.
There are 8112384 positive integers (up to 28393428) that are relatively prime to 28393428.
28393428 has 24 divisors, whose sum is 75716032
The reverse of 28393428 is 82439382
Previous prime number is 7
Is Prime? no
Number parity even
Number length 8
Sum of Digits 39
Digital Root 3
Name
twenty-eight million three hundred ninety-three thousand four hundred twenty-eight
Scientific notation
2.8393428 × 10^7
Engineering notation
2.8393428 × 10^6
Prime Factorization
2 × 2 × 3 × 7 × 338017
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
14196714
Product of the distinct prime numbers
The prime factorization of 28393428 is 2 × 2 × 3 × 7 × 338017.
Since it has a total of 5 prime factors.
6 , 1 , 42 , 29 , 225 , 197 , 1511 , 4293 , 18316 , 96630 , 637034 , 485198 , 3237532 , 6257893 , 66149842 , 87222606 , 760239092 , 474895708 , 1577916142 , 2845055637
n×2
56786856
n×3
85180284
n×4
113573712
n×5
141967140
n÷2
14196714
n÷3
9464476
n÷3
7098357
n÷5
5678685.6
n2
806186753591184
n3
2.2890405542645E+22
n4
6.4993708166589E+29
n5
1.8453941732811E+37
2 √n
5328.5483952011
3 √n
305.07452447468
4 √n
72.99690675091
5 √n
30.948782279175
1 , 2 , 3 , 4 , 6 , 7 , 12 , 14 , 21 , 28 , 42 , 84 , 338017 , 676034 , 1014051 , 1352068 , 2028102 , 2366119 , 4056204 , 4732238 , 7098357 , 9464476 , 14196714 , 28393428
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28393427
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28393428 can be divided by 24 positive divisors.
The sum of these divisors (counting 28393428) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1101100010011111111010100
3
Ternary
1222102112110110
4
Quaternary
1230103333110
5
Quinary
24232042203
6
Senary
2452323020
8
Octal
154237724
10
Decimal
28393428
12
Duodecimal
9613470
16
Hexadecimal
1b13fd4
20
Vigesimal
8h93b8
36
Base36
gwkic
md5
4f8a947a37a97368ba1dd5496b79cd5d
sha1
57e4daed29fa9c0d48965e3ddfa697f71ee0d442
sha256
4a23fd42635c52c54f899e1a47106d77be81cbcb8f2d3285fa6444cef0a7707e
sha512
d8bea80e78b3847aa138ae2334db0d1510afa7f0bcbf39147d036acd4b28ce10237d395968618dd8fc0b9be8bf51f880a88f4d6c8a5b6b591e47147ea777fb7f
ripemd-160
d10997100db38321ae72d66c0561edd94ca5d219
Diameter
56786856
Circumference
178401169.63006
Area
2.5327103825035E+15
Volume
9.588310652062E+22
Surface area
1.0130841530014E+16
Circumference
178401169.63006
Perimeter
113573712
Area
806186753591184
Diagonal
40154370.959864
Surface area
4837120521547104
Volume
2.2890405542645E+22
Space diagonal
49178859.897049
Perimeter
85180284
Area
3.4908910440224E+14
Altitude
24589429.948524
Surface area
3.4908910440224E+14
Volume
2.6976601638857E+21
Height
13384790.319955