28668895 is an odd 8-digits composite number following 28668894
and preceding 28668896 . In scientific notation, it is written as 2.8668895 × 10^7.
The sum of its digits is 52. It has a total of 4 prime factors and 16 positive divisors.
There are 22201344 positive integers (up to 28668895) that are relatively prime to 28668895.
28668895 has 16 divisors, whose sum is 35513280
The reverse of 28668895 is 59886682
Previous prime number is 353
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 52
Digital Root 7
Name
twenty-eight million six hundred sixty-eight thousand eight hundred ninety-five
Scientific notation
2.8668895 × 10^7
Engineering notation
2.8668895 × 10^6
Prime Factorization
5 × 37 × 353 × 439
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
28668895
Product of the distinct prime numbers
The prime factorization of 28668895 is 5 × 37 × 353 × 439.
Since it has a total of 4 prime factors.
9 , 3 , 4 , 42 , 447 , 144 , 2534 , 6965 , 45053 , 75391 , 706061 , 354686 , 1424406 , 3826679 , 21296044 , 34172572 , 758287615 , 66830967 , 1847363658 , 3369657913
n×2
57337790
n×3
86006685
n×4
114675580
n×5
143344475
n÷2
14334447.5
n÷3
9556298.3333333
n÷3
7167223.75
n÷5
5733779
n2
821905540521025
n3
2.3563123641116E+22
n4
6.7552871753916E+29
n5
1.9366661872615E+37
2 √n
5354.3342256531
3 √n
306.05794038617
4 √n
73.173316349972
5 √n
31.008602283815
1 , 5 , 37 , 185 , 353 , 439 , 1765 , 2195 , 13061 , 16243 , 65305 , 81215 , 154967 , 774835 , 5733779 , 28668895
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
-28668894
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 28668895 can be divided by 16 positive divisors.
The sum of these divisors (counting 28668895) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1101101010111001111011111
3
Ternary
1222221112022221
4
Quaternary
1231113033133
5
Quinary
24314401040
6
Senary
2502250211
8
Octal
155271737
10
Decimal
28668895
12
Duodecimal
9726967
16
Hexadecimal
1b573df
20
Vigesimal
8j3c4f
36
Base36
h2h27
md5
cf7c6bf6791688138809d0c9126c6563
sha1
0d1210e24c98566d618a24e56b5e4f58f04a9889
sha256
6f0a7c8e13142886d98230fea6c72b84f2e018809d8bc768766c47127b895583
sha512
219828bfd6d6af45f740c25ad7b349f5923bd5a83ddda05e641851ff1577c043b94a2a763d74593e3cd002918641529474af9963b0c4e44f7da1dc75d0f30a08
ripemd-160
8d065dac74d1cb7f307385ad0ea6e9cc6d229a7c
Diameter
57337790
Circumference
180131979.83707
Area
2.5820924080456E+15
Volume
9.8700981502075E+22
Surface area
1.0328369632182E+16
Circumference
180131979.83707
Perimeter
114675580
Area
821905540521025
Diagonal
40543940.12725
Surface area
4931433243126150
Volume
2.3563123641116E+22
Space diagonal
49655982.736857
Perimeter
86006685
Area
3.5589553880119E+14
Altitude
24827991.368429
Surface area
3.5589553880119E+14
Volume
2.776940752095E+21
Height
13514646.709083