28666589 is an odd 8-digits composite number following 28666588
and preceding 28666590 . In scientific notation, it is written as 2.8666589 × 10^7.
The sum of its digits is 50. It has a total of 3 prime factors and 8 positive divisors.
There are 24234336 positive integers (up to 28666589) that are relatively prime to 28666589.
28666589 has 8 divisors, whose sum is 33211200
The reverse of 28666589 is 98566682
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 50
Digital Root 5
Name
twenty-eight million six hundred sixty-six thousand five hundred eighty-nine
Scientific notation
2.8666589 × 10^7
Engineering notation
2.8666589 × 10^6
Prime Factorization
73 × 7 × 56099
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
28666589
Product of the distinct prime numbers
The prime factorization of 28666589 is 73 × 7 × 56099.
Since it has a total of 3 prime factors.
9 , 9 , 26 , 39 , 555 , 879 , 2186 , 1546 , 89656 , 23252 , 670560 , 936519 , 3878878 , 25516 , 41232941 , 45292432 , 224755471 , 173477526 , 9345817989 , 3108329734
n×2
57333178
n×3
85999767
n×4
114666356
n×5
143332945
n÷2
14333294.5
n÷3
9555529.6666667
n÷3
7166647.25
n÷5
5733317.8
n2
821773324894921
n3
2.3557438155926E+22
n4
6.7531139750885E+29
n5
1.9358874279402E+37
2 √n
5354.1188817582
3 √n
306.04973418064
4 √n
73.171844870539
5 √n
31.008103428609
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
-28666588
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 28666589 can be divided by 8 positive divisors.
The sum of these divisors (counting 28666589) is 1, the average is 0.125.
Base
System
Value
2
Binary
1101101010110101011011101
3
Ternary
1222221102011112
4
Quaternary
1231112223131
5
Quinary
24314312324
6
Senary
2502231405
8
Octal
155265335
10
Decimal
28666589
12
Duodecimal
9725565
16
Hexadecimal
1b56add
20
Vigesimal
8j3699
36
Base36
h2fa5
md5
86f964b6b1837836647e6416409ec22a
sha1
4da38835d507853d6cee3044a01841857c4fc9d6
sha256
2f898720078a4c16c93ea2f8aecdcf1847b20ca99181ba6e485ec3bd897bf693
sha512
4342ddd9cf6920e8bd927590a84b5dd10c057d4cc5ae25dd1e56f16f517a9e920ffd12df67bcef56d39b7d00d16362dcf50bd814771e93ae0a29ba8109bd9176
ripemd-160
6bd193a8523b146589378bcf7439cac0c25d2049
Diameter
57333178
Circumference
180117490.81176
Area
2.5816770404059E+15
Volume
9.8677166197405E+22
Surface area
1.0326708161624E+16
Circumference
180117490.81176
Perimeter
114666356
Area
821773324894921
Diagonal
40540678.950775
Surface area
4930639949369526
Volume
2.3557438155926E+22
Space diagonal
49651988.627695
Perimeter
85999767
Area
3.558382877557E+14
Altitude
24825994.313848
Surface area
3.558382877557E+14
Volume
2.7762707112397E+21
Height
13513559.650258