28415 is an odd 5-digits composite number following 28414
and preceding 28416 . In scientific notation, it is written as 2.8415 × 10^4.
The sum of its digits is 20. It has a total of 2 prime factors and 4 positive divisors.
There are 22728 positive integers (up to 28415) that are relatively prime to 28415.
28415 has 4 divisors, whose sum is 34104
The reverse of 28415 is 51482
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 5
Sum of Digits 20
Digital Root 2
Name
twenty-eight thousand four hundred fifteen
Scientific notation
2.8415 × 10^4
Engineering notation
2.8415 × 10^3
Prime Factorization
5 × 5683
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
28415
Product of the distinct prime numbers
The prime factorization of 28415 is 5 × 5683.
Since it has a total of 2 prime factors.
8 , 6 , 50 , 33 , 824 , 84 , 1265 , 7167 , 12790 , 83064 , 904280 , 872881 , 8221703 , 6885119 , 82889508 , 86243672 , 567676264 , 397280266 , 9682044929 , 6592520934
n×2
56830
n×3
85245
n×4
113660
n×5
142075
n÷2
14207.5
n÷3
9471.6666666667
n÷3
7103.75
n÷5
5683
n2
807412225
n3
22942618373375
n4
651914501079450625
n5
1.8524150548173E+22
2 √n
168.56749390081
3 √n
30.515176537331
4 √n
12.983354493382
5 √n
7.7751635308141
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
-28414
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 28415 can be divided by 4 positive divisors.
The sum of these divisors (counting 28415) is 1, the average is 0.25.
Base
System
Value
2
Binary
110111011111111
3
Ternary
1102222102
4
Quaternary
12323333
5
Quinary
1402130
6
Senary
335315
8
Octal
67377
10
Decimal
28415
12
Duodecimal
1453b
16
Hexadecimal
6eff
20
Vigesimal
3b0f
36
Base36
lxb
md5
bea41c1b949ddb068513c07855282ed9
sha1
5750e54f7a860d3a0e755abf1e7658d6b8a53337
sha256
50a6442d4f8e66c47eba3b2ab428ddb1d1feefe3ae7af7538b65d26a795027c6
sha512
f085c2c9f8f756957176faf5db6db1aa51075578c531ea0d6a00832ff652c2438428ba6260a0b624528620cddca1f47c298c30d618658581564772152c2a48d5
ripemd-160
9530a36b69d8d2da43116f27641a28ade3e20295
Diameter
56830
Circumference
178536.71050351
Area
2536560314.4786
Volume
96101815114545
Surface area
10146241257.914
Circumference
178536.71050351
Perimeter
113660
Area
807412225
Diagonal
40184.878374831
Surface area
4844473350
Volume
22942618373375
Space diagonal
49216.22369707
Perimeter
85245
Area
349619749.08806
Altitude
24608.111848535
Surface area
349619749.08806
Volume
2703813504998.1
Height
13394.959458277