28425 is an odd 5-digits composite number following 28424
and preceding 28426 . In scientific notation, it is written as 2.8425 × 10^4.
The sum of its digits is 21. It has a total of 3 prime factors and 8 positive divisors.
There are 15120 positive integers (up to 28425) that are relatively prime to 28425.
28425 has 8 divisors, whose sum is 36480
The reverse of 28425 is 52482
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 5
Sum of Digits 21
Digital Root 3
Name
twenty-eight thousand four hundred twenty-five
Scientific notation
2.8425 × 10^4
Engineering notation
2.8425 × 10^3
Prime Factorization
15 × 5 × 379
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
28425
Product of the distinct prime numbers
The prime factorization of 28425 is 15 × 5 × 379.
Since it has a total of 3 prime factors.
1 , 9 , 77 , 50 , 434 , 489 , 6494 , 3820 , 88288 , 32768 , 703737 , 724623 , 4979916 , 6174642 , 9590699 , 71253132 , 363228616 , 270368069 , 5379704640 , 8774996450
n×2
56850
n×3
85275
n×4
113700
n×5
142125
n÷2
14212.5
n÷3
9475
n÷3
7106.25
n÷5
5685
n2
807980625
n3
22966849265625
n4
652832690375390625
n5
1.855676922392E+22
2 √n
168.59715300087
3 √n
30.518755820285
4 √n
12.984496640258
5 √n
7.7757107114755
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
-28424
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 28425 can be divided by 8 positive divisors.
The sum of these divisors (counting 28425) is 1, the average is 0.125.
Base
System
Value
2
Binary
110111100001001
3
Ternary
1102222210
4
Quaternary
12330021
5
Quinary
1402200
6
Senary
335333
8
Octal
67411
10
Decimal
28425
12
Duodecimal
14549
16
Hexadecimal
6f09
20
Vigesimal
3b15
36
Base36
lxl
md5
91983ccf17b3200975d9e3d8a09236a8
sha1
0c3fb30b47c6682437dc52438a6403e170f980a2
sha256
204affbcba45563a3b69c60b9e092a01ee79482bc49b896bf643d8465bc78988
sha512
309bbf56ed871ff610a851c1699d579c54934d4e1836ae7d9c49011265a06d6a3a9fa7ceaaa0f2b803aac5b8b28b22f9eb5d8c4a7a98515df60e32a845ce5456
ripemd-160
b05694857af8e320c8f49588cb32ef0c3ff4f120
Diameter
56850
Circumference
178599.54235658
Area
2538345995.7429
Volume
96203313238656
Surface area
10153383982.972
Circumference
178599.54235658
Perimeter
113700
Area
807980625
Diagonal
40199.020510455
Surface area
4847883750
Volume
22966849265625
Space diagonal
49233.544205145
Perimeter
85275
Area
349865873.50781
Altitude
24616.772102573
Surface area
349865873.50781
Volume
2706669143035.5
Height
13399.673503485