8005 is an odd 4-digits composite number following 8004
and preceding 8006 . In scientific notation, it is written as 8.005 × 10^3.
The sum of its digits is 13. It has a total of 2 prime factors and 4 positive divisors.
There are 6400 positive integers (up to 8005) that are relatively prime to 8005.
8005 has 4 divisors, whose sum is 9612
The reverse of 8005 is 5008
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 4
Sum of Digits 13
Digital Root 4
Scientific notation
8.005 × 10^3
Engineering notation
8.005 × 10^3
Prime Factorization
5 × 1601
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
8005
Product of the distinct prime numbers
The prime factorization of 8005 is 5 × 1601.
Since it has a total of 2 prime factors.
8 , 7 , 15 , 26 , 581 , 188 , 1002 , 6008 , 20165 , 87902 , 448680 , 489423 , 8268336 , 9228518 , 4008657 , 85197501 , 880322552 , 873750964 , 6182579477 , 8126333211
n×2
16010
n×3
24015
n×4
32020
n×5
40025
n÷2
4002.5
n÷3
2668.3333333333
n÷3
2001.25
n÷5
1601
n2
64080025
n3
512960600125
n4
4106249604000625
n5
3.2870528080025E+19
2 √n
89.470665583754
3 √n
20.004165798912
4 √n
9.4588934650811
5 √n
6.0349304200899
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
-8004
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 8005 can be divided by 4 positive divisors.
The sum of these divisors (counting 8005) is 1, the average is 0.25.
Base
System
Value
2
Binary
1111101000101
3
Ternary
101222111
4
Quaternary
1331011
5
Quinary
224010
6
Senary
101021
8
Octal
17505
10
Decimal
8005
12
Duodecimal
4771
16
Hexadecimal
1f45
20
Vigesimal
1005
36
Base36
66d
md5
4fa04fbc0b0ce68711f7550ce6113720
sha1
d25c8daa80b225028a935be51308ae131d0eb542
sha256
71d49d02f2d6a072d491fd018563fa3192963845ca10771c41cbfbc5541a9c27
sha512
055bc291c185b477c0b384435d6af6a4a4075e26d72c1b11d2fc54ec859ab778efd6e26ad66501edf6fa1002bfef611db5b00b6ab78af7e7ee3e43422b044d96
ripemd-160
5a182385d1c52778d6c26dc13817a8c52ae91e57
Diameter
16010
Circumference
50296.898383973
Area
201313335.78185
Volume
2148684337244.9
Surface area
805253343.1274
Circumference
50296.898383973
Perimeter
32020
Area
64080025
Diagonal
11320.779566797
Surface area
384480150
Volume
512960600125
Space diagonal
13865.066714589
Perimeter
24015
Area
27747464.762571
Altitude
6932.5333572944
Surface area
27747464.762571
Volume
60452986471.651
Height
3773.5931889322