28438338 is an even 8-digits composite number following 28438337
and preceding 28438339 . In scientific notation, it is written as 2.8438338 × 10^7.
The sum of its digits is 39. It has a total of 4 prime factors and 16 positive divisors.
There are 9248160 positive integers (up to 28438338) that are relatively prime to 28438338.
28438338 has 16 divisors, whose sum is 58264416
The reverse of 28438338 is 83383482
Previous prime number is 41
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 thirty-eight
Scientific notation
2.8438338 × 10^7
Engineering notation
2.8438338 × 10^6
Prime Factorization
2 × 3 × 41 × 115603
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
28438338
Product of the distinct prime numbers
The prime factorization of 28438338 is 2 × 3 × 41 × 115603.
Since it has a total of 4 prime factors.
4 , 2 , 79 , 83 , 227 , 21 , 373 , 2702 , 62801 , 44790 , 311353 , 531753 , 8282075 , 6274375 , 82422300 , 67308179 , 661624414 , 565125125 , 7765102146 , 2363810136
n×2
56876676
n×3
85315014
n×4
113753352
n×5
142191690
n÷2
14219169
n÷3
9479446
n÷3
7109584.5
n÷5
5687667.6
n2
808739068202244
n3
2.299919497534E+22
n4
6.5405888043663E+29
n5
1.8600347513759E+37
2 √n
5332.7608234385
3 √n
305.23528561568
4 √n
73.025754521528
5 √n
30.958566453706
1 , 2 , 3 , 6 , 41 , 82 , 123 , 246 , 115603 , 231206 , 346809 , 693618 , 4739723 , 9479446 , 14219169 , 28438338
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28438337
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28438338 can be divided by 16 positive divisors.
The sum of these divisors (counting 28438338) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1101100011110111101000010
3
Ternary
1222111211001210
4
Quaternary
1230132331002
5
Quinary
24240011323
6
Senary
2453310550
8
Octal
154367502
10
Decimal
28438338
12
Duodecimal
9635456
16
Hexadecimal
1b1ef42
20
Vigesimal
8hefgi
36
Base36
gxj5u
md5
fe85f4e55272739ba25619ced48b403e
sha1
6143f22c164a29d7a37f48bf317566fe251749c0
sha256
01f88a10ea9b588a8f740896a0026504d6bf3ce85d998fd1279619e4e0e64f34
sha512
f34ea381aec24167bb5d33015d7deb01cb20639c4883f4606b4463f69dd64a534a5240706279e906b36988f94e5df8a893e004da68d537e7107303a27c9e35b9
ripemd-160
cd4883e1f57a0723f874e635112b6a9e8c606add
Diameter
56876676
Circumference
178683347.48221
Area
2.5407287153352E+15
Volume
9.6338802630679E+22
Surface area
1.0162914861341E+16
Circumference
178683347.48221
Perimeter
113753352
Area
808739068202244
Diagonal
40217883.29095
Surface area
4852434409213464
Volume
2.299919497534E+22
Space diagonal
49256646.298817
Perimeter
85315014
Area
3.5019428904805E+14
Altitude
24628323.149408
Surface area
3.5019428904805E+14
Volume
2.7104811214825E+21
Height
13405961.096983