28438863 is an odd 8-digits composite number following 28438862
and preceding 28438864 . In scientific notation, it is written as 2.8438863 × 10^7.
The sum of its digits is 42. It has a total of 3 prime factors and 8 positive divisors.
There are 18785088 positive integers (up to 28438863) that are relatively prime to 28438863.
28438863 has 8 divisors, whose sum is 38266800
The reverse of 28438863 is 36883482
Previous prime number is 109
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 42
Digital Root 6
Name
twenty-eight million four hundred thirty-eight thousand eight hundred sixty-three
Scientific notation
2.8438863 × 10^7
Engineering notation
2.8438863 × 10^6
Prime Factorization
3 × 109 × 86969
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
28438863
Product of the distinct prime numbers
The prime factorization of 28438863 is 3 × 109 × 86969.
Since it has a total of 3 prime factors.
2 , 6 , 51 , 2 , 857 , 960 , 4935 , 7437 , 68095 , 95043 , 15971 , 365029 , 5551132 , 2859407 , 6272845 , 43282324 , 151174004 , 298929307 , 7356532700 , 4970578423
n×2
56877726
n×3
85316589
n×4
113755452
n×5
142194315
n÷2
14219431.5
n÷3
9479621
n÷3
7109715.75
n÷5
5687772.6
n2
808768928732769
n3
2.3000468762888E+22
n4
6.5410718008355E+29
n5
1.8602064481712E+37
2 √n
5332.8100472453
3 √n
305.23716391976
4 √n
73.026091551207
5 √n
30.958680758047
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
-28438862
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 28438863 can be divided by 8 positive divisors.
The sum of these divisors (counting 28438863) is 1, the average is 0.125.
Base
System
Value
2
Binary
1101100011111000101001111
3
Ternary
1222111211210020
4
Quaternary
1230133011033
5
Quinary
24240020423
6
Senary
2453313223
8
Octal
154370517
10
Decimal
28438863
12
Duodecimal
9635813
16
Hexadecimal
1b1f14f
20
Vigesimal
8heh33
36
Base36
gxjkf
md5
c34831fafb05f47ffd1d75df26abcc70
sha1
bd80d3afdecbeae8945cd751405562c1d5eeea04
sha256
63b6498e908541c029da337df77975352274b380d337cca9fac02e5e8df42526
sha512
7a68306d1cd7cd457c2900fb9cf13ef388145dd20a4ac10673d6785ce969dc8d54b4a827f4094eb08391416e41147ca897390e10cf2ba4a28c2144e41719a416
ripemd-160
e60d456b20cf381fadc30941a1ab488d5e9b6036
Diameter
56877726
Circumference
178686646.15449
Area
2.5408225249586E+15
Volume
9.6344138259481E+22
Surface area
1.0163290099834E+16
Circumference
178686646.15449
Perimeter
113755452
Area
808768928732769
Diagonal
40218625.75307
Surface area
4852613572396614
Volume
2.3000468762888E+22
Space diagonal
49257555.625491
Perimeter
85316589
Area
3.5020721903705E+14
Altitude
24628777.812745
Surface area
3.5020721903705E+14
Volume
2.7106312387846E+21
Height
13406208.584357