28438356 is an even 8-digits composite number following 28438355
and preceding 28438357 . In scientific notation, it is written as 2.8438356 × 10^7.
The sum of its digits is 39. It has a total of 4 prime factors and 12 positive divisors.
There are 9479448 positive integers (up to 28438356) that are relatively prime to 28438356.
28438356 has 12 divisors, whose sum is 66356192
The reverse of 28438356 is 65383482
Previous prime number is 3
Is Prime? no
Number parity even
Number length 8
Sum of Digits 39
Digital Root 3
Name
twenty-eight million four hundred thirty-eight thousand three hundred fifty-six
Scientific notation
2.8438356 × 10^7
Engineering notation
2.8438356 × 10^6
Prime Factorization
2 × 2 × 3 × 2369863
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
14219178
Product of the distinct prime numbers
The prime factorization of 28438356 is 2 × 2 × 3 × 2369863.
Since it has a total of 4 prime factors.
1 , 7 , 4 , 31 , 22 , 546 , 3571 , 4571 , 64898 , 51457 , 357069 , 371834 , 3496938 , 1435633 , 5095622 , 11492726 , 163847037 , 18907136 , 3734971251 , 8883584359
n×2
56876712
n×3
85315068
n×4
113753424
n×5
142191780
n÷2
14219178
n÷3
9479452
n÷3
7109589
n÷5
5687671.2
n2
808740091982736
n3
2.2999238647278E+22
n4
6.5406053638024E+29
n5
1.8600406379132E+37
2 √n
5332.7625111194
3 √n
305.23535001506
4 √n
73.025766076908
5 √n
30.95857037274
1 , 2 , 3 , 4 , 6 , 12 , 2369863 , 4739726 , 7109589 , 9479452 , 14219178 , 28438356
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
-28438355
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 28438356 can be divided by 12 positive divisors.
The sum of these divisors (counting 28438356) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1101100011110111101010100
3
Ternary
1222111211002110
4
Quaternary
1230132331110
5
Quinary
24240011411
6
Senary
2453311020
8
Octal
154367524
10
Decimal
28438356
12
Duodecimal
9635470
16
Hexadecimal
1b1ef54
20
Vigesimal
8hefhg
36
Base36
gxj6c
md5
322a94c06bb2f07c94fd33d4f020f59c
sha1
907b6a337181b5376a27f6e712d993f02a3b9746
sha256
05ae24a5517e16375c389c5850ee24d146776633da35fd3d8a2fe158155e5632
sha512
56bfdb61f0fe9c6dbedc459780d9b1133ae89888c52418feb6ba8f3c7427db63b1b038798c3cf444c7b743f95cd7593f118432f179ddf528b44eba53c443e0f4
ripemd-160
df1903329b0666e9dfc9fd7ec2e12689a219541b
Diameter
56876712
Circumference
178683460.57954
Area
2.5407319316365E+15
Volume
9.6338985563262E+22
Surface area
1.0162927726546E+16
Circumference
178683460.57954
Perimeter
113753424
Area
808740091982736
Diagonal
40217908.746794
Surface area
4852440551896416
Volume
2.2999238647278E+22
Space diagonal
49256677.475731
Perimeter
85315068
Area
3.5019473235801E+14
Altitude
24628338.737866
Surface area
3.5019473235801E+14
Volume
2.7104862682696E+21
Height
13405969.582265