28438355 is an odd 8-digits composite number following 28438354
and preceding 28438356 . In scientific notation, it is written as 2.8438355 × 10^7.
The sum of its digits is 38. It has a total of 3 prime factors and 8 positive divisors.
There are 20682400 positive integers (up to 28438355) that are relatively prime to 28438355.
28438355 has 8 divisors, whose sum is 37228464
The reverse of 28438355 is 55383482
Previous prime number is 11
Is Prime? no Number parity odd Number length 8 Sum of Digits 38 Digital Root 2
Name
twenty-eight million four hundred thirty-eight thousand three hundred fifty-five
Scientific notation
2.8438355 × 10^7
Engineering notation
2.8438355 × 10^6
Prime Factorization
5 × 11 × 517061
Composite number
ω Distinct Factors
3 Total number of distinct prime factors
Ω Total Factors
3 Total number of prime factors
rad Radical
28438355 Product of the distinct prime numbers
The prime factorization of 28438355 is 5 × 11 × 517061.
Since it has a total of 3 prime factors.
3 , 6 , 22 , 17 , 953 , 208 , 7528 , 600 , 85716 , 81541 , 833270 , 100373 , 4025629 , 857160 , 87503610 , 72402288 , 244908241 , 882516303 , 6709284189 , 3331415936
n×2
56876710
n×3
85315065
n×4
113753420
n×5
142191775
n÷2
14219177.5
n÷3
9479451.6666667
n÷3
7109588.75
n÷5
5687671
n2
808740035106025
n3
2.2999236221058E+22
n4
6.5406044438329E+29
n5
1.860040310883E+37
2 √n5332.7624173593
3 √n305.23534643732
4 √n73.025765434943
5 √n30.958570155016
8 divisors
τ Total Divisors
8 Total number of the positive divisors of n
σ Sum of Divisors
1 Sum of all the positive divisors of n
s Aliquot Sum
-28438354 Sum of the proper positive divisors of n
A Arithmetic Mean
0.125 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
8 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28438355 can be divided by 8 positive divisors.
The sum of these divisors (counting 28438355) is 1, the average is 0.125.
Base
System
Value
2
Binary
1101100011110111101010011
3
Ternary
1222111211002102
4
Quaternary
1230132331103
5
Quinary
24240011410
6
Senary
2453311015
8
Octal
154367523
10
Decimal
28438355
12
Duodecimal
963546b
16
Hexadecimal
1b1ef53
20
Vigesimal
8hefhf
36
Base36
gxj6b
md5
1fc3f0592f9dca6d7625907f294ac5c8
sha1
afc8f8726acea01089227ba0e5b6e116d38b0101
sha256
b016e0d8df09d8522503df08cd46e5f61691a21f090fe0eb8ff87675e963ba16
sha512
08435106cf7d6052e8d159558f353acf445a5ca893e6aed37a94d064ab995406ecf8353a963042cd75044550a50cf90f76b81accea70a353ffa2210e1c900b94
ripemd-160
515468bbc8e89bd56a69a069e72411c3db2dfb86
Diameter
56876710
Circumference
178683454.29636
Area
2.540731752953E+15
Volume
9.6338975400334E+22
Surface area
1.0162927011812E+16
Circumference
178683454.29636
Perimeter
113753420
Area
808740035106025
Diagonal
40217907.332581
Surface area
4852440210636150
Volume
2.2999236221058E+22
Space diagonal
49256675.74368
Perimeter
85315065
Area
3.5019470772967E+14
Altitude
24628337.87184
Surface area
3.5019470772967E+14
Volume
2.7104859823368E+21
Height
13405969.11086