28162889 is an odd 8-digits composite number following 28162888
and preceding 28162890 . In scientific notation, it is written as 2.8162889 × 10^7.
The sum of its digits is 44. It has a total of 2 prime factors and 4 positive divisors.
There are 27777024 positive integers (up to 28162889) that are relatively prime to 28162889.
28162889 has 4 divisors, whose sum is 28548756
The reverse of 28162889 is 98826182
Previous prime number is 73
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 44
Digital Root 8
Name
twenty-eight million one hundred sixty-two thousand eight hundred eighty-nine
Scientific notation
2.8162889 × 10^7
Engineering notation
2.8162889 × 10^6
Prime Factorization
73 × 385793
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
28162889
Product of the distinct prime numbers
The prime factorization of 28162889 is 73 × 385793.
Since it has a total of 2 prime factors.
7 , 5 , 6 , 94 , 320 , 923 , 6578 , 7665 , 62600 , 81169 , 292144 , 490838 , 9200478 , 2084915 , 247928 , 2535540 , 854960344 , 99421482 , 1155141490 , 4009042044
n×2
56325778
n×3
84488667
n×4
112651556
n×5
140814445
n÷2
14081444.5
n÷3
9387629.6666667
n÷3
7040722.25
n÷5
5632577.8
n2
793148316826321
n3
2.2337348007317E+22
n4
6.2908425248443E+29
n5
1.7716829974367E+37
2 √n
5306.8718657982
3 √n
304.24660060519
4 √n
72.848279772402
5 √n
30.89836084052
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
-28162888
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 28162889 can be divided by 4 positive divisors.
The sum of these divisors (counting 28162889) is 1, the average is 0.25.
Base
System
Value
2
Binary
1101011011011101101001001
3
Ternary
1221222211012222
4
Quaternary
1223123231021
5
Quinary
24202203024
6
Senary
2443343425
8
Octal
153335511
10
Decimal
28162889
12
Duodecimal
9521b75
16
Hexadecimal
1adbb49
20
Vigesimal
8g0749
36
Base36
grmmh
md5
c75301e4570ba2938a974e27d6efcc31
sha1
c9911da557ea565385b93de0959cb89a8fb8587b
sha256
66635467796825e9e09ad1d7af4607e09765a8392d55cb3953eea344d8cd0b89
sha512
2aa82abec1f76640865670ac62dc3dedea268680210217ad4f087e6c92ea46ba2358add315e66478155c10b05adcec1b609bf1b0ada4a357094149d2d51b1382
ripemd-160
1dd086d51dac2ee409a3936928476005ee090d65
Diameter
56325778
Circumference
176952650.37253
Area
2.4917489253487E+15
Volume
9.3566464533952E+22
Surface area
9.9669957013947E+15
Circumference
176952650.37253
Perimeter
112651556
Area
793148316826321
Diagonal
39828339.579408
Surface area
4758889900957926
Volume
2.2337348007317E+22
Space diagonal
48779554.635923
Perimeter
84488667
Area
3.4344329567023E+14
Altitude
24389777.317961
Surface area
3.4344329567023E+14
Volume
2.6324817082829E+21
Height
13276113.193136