28265 is an odd 5-digits composite number following 28264
and preceding 28266 . In scientific notation, it is written as 2.8265 × 10^4.
The sum of its digits is 23. It has a total of 2 prime factors and 4 positive divisors.
There are 22608 positive integers (up to 28265) that are relatively prime to 28265.
28265 has 4 divisors, whose sum is 33924
The reverse of 28265 is 56282
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 5
Sum of Digits 23
Digital Root 5
Name
twenty-eight thousand two hundred sixty-five
Scientific notation
2.8265 × 10^4
Engineering notation
2.8265 × 10^3
Prime Factorization
5 × 5653
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
28265
Product of the distinct prime numbers
The prime factorization of 28265 is 5 × 5653.
Since it has a total of 2 prime factors.
9 , 6 , 2 , 60 , 771 , 441 , 8260 , 637 , 25432 , 91053 , 895206 , 316908 , 5541246 , 5647163 , 85007498 , 80275264 , 879200865 , 936935368 , 584356242 , 8789882225
n×2
56530
n×3
84795
n×4
113060
n×5
141325
n÷2
14132.5
n÷3
9421.6666666667
n÷3
7066.25
n÷5
5653
n2
798910225
n3
22581197509625
n4
638257547609550625
n5
1.8040349583184E+22
2 √n
168.12197952677
3 √n
30.461386232721
4 √n
12.966186005405
5 √n
7.7669372769467
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
-28264
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 28265 can be divided by 4 positive divisors.
The sum of these divisors (counting 28265) is 1, the average is 0.25.
Base
System
Value
2
Binary
110111001101001
3
Ternary
1102202212
4
Quaternary
12321221
5
Quinary
1401030
6
Senary
334505
8
Octal
67151
10
Decimal
28265
12
Duodecimal
14435
16
Hexadecimal
6e69
20
Vigesimal
3ad5
36
Base36
lt5
md5
1a7da998ded68c09b6fb68853539e59a
sha1
7d3d71d4e8b987033c332eafed1ca1cb678d2109
sha256
646ca1501255c7d8baa02a70b686eb993be5c9db06ed2cf60eda62adc889dc69
sha512
41052fe0c2bf21ba361d64e11d94a805bfb38c5ff7b918b91c63039ca71294b3c8814b364b857fb64afda6c045cf2b5a3026f12fbf1007536be4afbdf0dfdca0
ripemd-160
e0745d046de36d373408b70a1148e2e55efbb54c
Diameter
56530
Circumference
177594.23270743
Area
2509850493.7378
Volume
94587898940664
Surface area
10039401974.951
Circumference
177594.23270743
Perimeter
113060
Area
798910225
Diagonal
39972.746340476
Surface area
4793461350
Volume
22581197509625
Space diagonal
48956.416075934
Perimeter
84795
Area
345938275.09657
Altitude
24478.208037967
Surface area
345938275.09657
Volume
2661219647728.1
Height
13324.248780159