28393427 is an odd 8-digits composite number following 28393426
and preceding 28393428 . In scientific notation, it is written as 2.8393427 × 10^7.
The sum of its digits is 38. It has a total of 2 prime factors and 4 positive divisors.
There are 27477480 positive integers (up to 28393427) that are relatively prime to 28393427.
28393427 has 4 divisors, whose sum is 29309376
The reverse of 28393427 is 72439382
Previous prime number is 31
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 38
Digital Root 2
Name
twenty-eight million three hundred ninety-three thousand four hundred twenty-seven
Scientific notation
2.8393427 × 10^7
Engineering notation
2.8393427 × 10^6
Prime Factorization
31 × 915917
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
28393427
Product of the distinct prime numbers
The prime factorization of 28393427 is 31 × 915917.
Since it has a total of 2 prime factors.
1 , 8 , 67 , 13 , 253 , 30 , 1210 , 6372 , 6789 , 66342 , 453545 , 856173 , 7985358 , 4326409 , 26408076 , 25209402 , 604663527 , 981145447 , 1647130469 , 248951547
n×2
56786854
n×3
85180281
n×4
113573708
n×5
141967135
n÷2
14196713.5
n÷3
9464475.6666667
n÷3
7098356.75
n÷5
5678685.4
n2
806186696804329
n3
2.2890403124085E+22
n4
6.4993699010428E+29
n5
1.8453938483125E+37
2 √n
5328.5483013669
3 √n
305.07452089316
4 √n
72.996906108183
5 √n
30.948782061176
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28393426
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28393427 can be divided by 4 positive divisors.
The sum of these divisors (counting 28393427) is 1, the average is 0.25.
Base
System
Value
2
Binary
1101100010011111111010011
3
Ternary
1222102112110102
4
Quaternary
1230103333103
5
Quinary
24232042202
6
Senary
2452323015
8
Octal
154237723
10
Decimal
28393427
12
Duodecimal
961346b
16
Hexadecimal
1b13fd3
20
Vigesimal
8h93b7
36
Base36
gwkib
md5
4af2d45a13cc6cb6bf3d9a1d3db88639
sha1
216308a3541cc609500f38cf05ab4782a4fbd583
sha256
30e918529ee3e6f821aabc053f07819baf784141874827266109f8585f9e915e
sha512
1f5e2d178a13d27486a3c10909a4126b206503805ae1eebcba6ef3a80d20a697da4066a27373a131f685e6011a127a7d723b5ef03d92c9ecc30da47f97ab9c6e
ripemd-160
3147d4d1ac1e880d3536adfe1a1ea9d4e0f7dfe0
Diameter
56786854
Circumference
178401163.34688
Area
2.5327102041023E+15
Volume
9.5883096389778E+22
Surface area
1.0130840816409E+16
Circumference
178401163.34688
Perimeter
113573708
Area
806186696804329
Diagonal
40154369.54565
Surface area
4837120180825974
Volume
2.2890403124085E+22
Space diagonal
49178858.164998
Perimeter
85180281
Area
3.4908907981281E+14
Altitude
24589429.082499
Surface area
3.4908907981281E+14
Volume
2.6976598788557E+21
Height
13384789.84855