28688004 is an even 8-digits composite number following 28688003
and preceding 28688005 . In scientific notation, it is written as 2.8688004 × 10^7.
The sum of its digits is 36. It has a total of 5 prime factors and 18 positive divisors.
There are 9562656 positive integers (up to 28688004) that are relatively prime to 28688004.
28688004 has 18 divisors, whose sum is 72516990
The reverse of 28688004 is 40088682
Previous prime number is 3
Is Prime? no
Number parity even
Number length 8
Sum of Digits 36
Digital Root 9
Name
twenty-eight million six hundred eighty-eight thousand four
Scientific notation
2.8688004 × 10^7
Engineering notation
2.8688004 × 10^6
Prime Factorization
2 × 2 × 3 × 3 × 796889
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
4781334
Product of the distinct prime numbers
The prime factorization of 28688004 is 2 × 2 × 3 × 3 × 796889.
Since it has a total of 5 prime factors.
7 , 9 , 28 , 72 , 575 , 163 , 977 , 8046 , 25487 , 25979 , 813002 , 731189 , 119057 , 9077976 , 9315244 , 55563033 , 900382971 , 52728978 , 4253578584 , 5977882854
n×2
57376008
n×3
86064012
n×4
114752016
n×5
143440020
n÷2
14344002
n÷3
9562668
n÷3
7172001
n÷5
5737600.8
n2
823001573504016
n3
2.361027243269E+22
n4
6.7733158999009E+29
n5
1.9431291362962E+37
2 √n
5356.1183706113
3 √n
306.12592536025
4 √n
73.185506561144
5 √n
31.012734884408
1 , 2 , 3 , 4 , 6 , 9 , 12 , 18 , 36 , 796889 , 1593778 , 2390667 , 3187556 , 4781334 , 7172001 , 9562668 , 14344002 , 28688004
18 divisors
τ
Total Divisors
18
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28688003
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.055555555555556
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
18
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28688004 can be divided by 18 positive divisors.
The sum of these divisors (counting 28688004) is 1, the average is 0.055555555555556.
Base
System
Value
2
Binary
1101101011011111010000100
3
Ternary
1222222111112200
4
Quaternary
1231123322010
5
Quinary
24321004004
6
Senary
2502514500
8
Octal
155337204
10
Decimal
28688004
12
Duodecimal
9735a30
16
Hexadecimal
1b5be84
20
Vigesimal
8j6004
36
Base36
h2vt0
md5
529a73323cb4522ae780765ab80eb5da
sha1
85be85d3f270cf1cff60235c150f5cab34ac0744
sha256
24efadca86e9a063d9f2b6ea9d0d18eb8706eada0892f5bbe2277e4a2b3d7434
sha512
e1727ecacb52ce155fbc4cd0d88439332e8f4c18dcfd793cfae2378c5ade3690ea7b6efe1ec678a103cb2fef660c09619a52fc6e428b7a7ae88a4a264223d4f0
ripemd-160
e0217c4f8dae29c369bec7ade78b0c7b075f623e
Diameter
57376008
Circumference
180252045.22511
Area
2.5855356972131E+15
Volume
9.8898477898388E+22
Surface area
1.0342142788852E+16
Circumference
180252045.22511
Perimeter
114752016
Area
823001573504016
Diagonal
40570964.334214
Surface area
4938009441024096
Volume
2.361027243269E+22
Space diagonal
49689080.495739
Perimeter
86064012
Area
3.5637013500452E+14
Altitude
24844540.24787
Surface area
3.5637013500452E+14
Volume
2.7824972904694E+21
Height
13523654.778071