28438243 is an odd 8-digits composite number following 28438242
and preceding 28438244 . In scientific notation, it is written as 2.8438243 × 10^7.
The sum of its digits is 34. It has a total of 2 prime factors and 4 positive divisors.
There are 27833128 positive integers (up to 28438243) that are relatively prime to 28438243.
28438243 has 4 divisors, whose sum is 29043360
The reverse of 28438243 is 34283482
Previous prime number is 47
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 34
Digital Root 7
Name
twenty-eight million four hundred thirty-eight thousand two hundred forty-three
Scientific notation
2.8438243 × 10^7
Engineering notation
2.8438243 × 10^6
Prime Factorization
47 × 605069
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
28438243
Product of the distinct prime numbers
The prime factorization of 28438243 is 47 × 605069.
Since it has a total of 2 prime factors.
3 , 7 , 85 , 45 , 931 , 699 , 8295 , 5341 , 94686 , 22871 , 442789 , 193722 , 4909287 , 9779883 , 67856739 , 58976154 , 582662239 , 80447408 , 8907996899 , 3361280696
n×2
56876486
n×3
85314729
n×4
113752972
n×5
142191215
n÷2
14219121.5
n÷3
9479414.3333333
n÷3
7109560.75
n÷5
5687648.6
n2
808733664927049
n3
2.2998964485476E+22
n4
6.5405014078634E+29
n5
1.8600036837866E+37
2 √n
5332.7519162249
3 √n
305.23494572962
4 √n
73.025693534706
5 √n
30.958545769883
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
-28438242
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 28438243 can be divided by 4 positive divisors.
The sum of these divisors (counting 28438243) is 1, the average is 0.25.
Base
System
Value
2
Binary
1101100011110111011100011
3
Ternary
1222111210221021
4
Quaternary
1230132323203
5
Quinary
24240010433
6
Senary
2453310311
8
Octal
154367343
10
Decimal
28438243
12
Duodecimal
9635397
16
Hexadecimal
1b1eee3
20
Vigesimal
8hefc3
36
Base36
gxj37
md5
eaaa422fb92e238613b327cb57ac384a
sha1
ffa93b9e7efa31a7f098ef227211d17d573ffa8c
sha256
b5d3928733f498d1be20df7ed7b333b4522514d175d0a4654821347467ac9f3c
sha512
bd7941eba65f4d0241cbc5924701594e744045b091c988c5ee437c36fb4d477695134b34e25c2c0bdeb07a2c6b160ada410a46d3f2be52f6ec3e9d3d2a6f37cc
ripemd-160
4187e0cba4a44f26bf0ad52274c34472af7aee34
Diameter
56876486
Circumference
178682750.5796
Area
2.5407117404456E+15
Volume
9.6337837156992E+22
Surface area
1.0162846961782E+16
Circumference
178682750.5796
Perimeter
113752972
Area
808733664927049
Diagonal
40217748.940662
Surface area
4852401989562294
Volume
2.2998964485476E+22
Space diagonal
49256481.75399
Perimeter
85314729
Area
3.5019194936126E+14
Altitude
24628240.876995
Surface area
3.5019194936126E+14
Volume
2.7104539579914E+21
Height
13405916.313554