28345 is an odd 5-digits composite number following 28344
and preceding 28346 . In scientific notation, it is written as 2.8345 × 10^4.
The sum of its digits is 22. It has a total of 2 prime factors and 4 positive divisors.
There are 22672 positive integers (up to 28345) that are relatively prime to 28345.
28345 has 4 divisors, whose sum is 34020
The reverse of 28345 is 54382
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 5
Sum of Digits 22
Digital Root 4
Name
twenty-eight thousand three hundred forty-five
Scientific notation
2.8345 × 10^4
Engineering notation
2.8345 × 10^3
Prime Factorization
5 × 5669
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
28345
Product of the distinct prime numbers
The prime factorization of 28345 is 5 × 5669.
Since it has a total of 2 prime factors.
1 , 4 , 49 , 62 , 758 , 844 , 8328 , 6511 , 58741 , 56672 , 151724 , 269260 , 9713642 , 1805049 , 2921229 , 13899379 , 504660640 , 517592098 , 588441402 , 4486121285
n×2
56690
n×3
85035
n×4
113380
n×5
141725
n÷2
14172.5
n÷3
9448.3333333333
n÷3
7086.25
n÷5
5669
n2
803439025
n3
22773479163625
n4
645514266892950625
n5
1.8297101895081E+22
2 √n
168.35973390333
3 √n
30.490098012884
4 √n
12.975351012721
5 √n
7.771328946589
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
-28344
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 28345 can be divided by 4 positive divisors.
The sum of these divisors (counting 28345) is 1, the average is 0.25.
Base
System
Value
2
Binary
110111010111001
3
Ternary
1102212211
4
Quaternary
12322321
5
Quinary
1401340
6
Senary
335121
8
Octal
67271
10
Decimal
28345
12
Duodecimal
144a1
16
Hexadecimal
6eb9
20
Vigesimal
3ah5
36
Base36
lvd
md5
b34757e1761fdbe6d687ecf4d698447a
sha1
079001fab15d9a38a94cdddd6fb2717abc773435
sha256
43741946db70f6937ac8fe209d2aa3519cfeeea8f3df7d47300258f6da79ffdd
sha512
fa7b0b6da9446240c9c95116872513ce8658aaefed7bc947e62bab0eb2b1bfea8fb17f389e0d589886a169fee5c4a8b890b74902e547cc32de6c96faabe99e74
ripemd-160
0c976f973cb7b9fb286eae779e02f64eadd7407d
Diameter
56690
Circumference
178096.88753201
Area
2524078138.5473
Volume
95393326449499
Surface area
10096312554.189
Circumference
178096.88753201
Perimeter
113380
Area
803439025
Diagonal
40085.883425465
Surface area
4820634150
Volume
22773479163625
Space diagonal
49094.98014054
Perimeter
85035
Area
347899303.0209
Altitude
24547.49007027
Surface area
347899303.0209
Volume
2683880257968.3
Height
13361.961141822