8005 (number)

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.

Interesting facts

Basic properties

Name

Name eight thousand five

Notation

Scientific notation 8.005 × 10^3
Engineering notation 8.005 × 10^3

Prime Factorization of 8005

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.

Most popular turbo-numbers

Basic calculations (n = 8005)

Multiplication

n×y
n×2 16010
n×3 24015
n×4 32020
n×5 40025

Division

n÷y
n÷2 4002.5
n÷3 2668.3333333333
n÷3 2001.25
n÷5 1601

Exponentiation

ny
n2 64080025
n3 512960600125
n4 4106249604000625
n5 3.2870528080025E+19

Nth Root

y√n
2√n 89.470665583754
3√n 20.004165798912
4√n 9.4588934650811
5√n 6.0349304200899

Divisors of 8005

1, 5, 1601, 8005

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 conversion 8005

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

Cryptographic Hash Functions

md5 4fa04fbc0b0ce68711f7550ce6113720
sha1 d25c8daa80b225028a935be51308ae131d0eb542
sha256 71d49d02f2d6a072d491fd018563fa3192963845ca10771c41cbfbc5541a9c27
sha512 055bc291c185b477c0b384435d6af6a4a4075e26d72c1b11d2fc54ec859ab778efd6e26ad66501edf6fa1002bfef611db5b00b6ab78af7e7ee3e43422b044d96
ripemd-160 5a182385d1c52778d6c26dc13817a8c52ae91e57

8005 as geometric shapes

Circle

Radius = n
Diameter 16010
Circumference 50296.898383973
Area 201313335.78185

Sphere

Radius = n
Volume 2148684337244.9
Surface area 805253343.1274
Circumference 50296.898383973

Square

Length = n
Perimeter 32020
Area 64080025
Diagonal 11320.779566797

Cube

Length = n
Surface area 384480150
Volume 512960600125
Space diagonal 13865.066714589

Equilateral Triangle

Length = n
Perimeter 24015
Area 27747464.762571
Altitude 6932.5333572944

Triangular Pyramid

Length = n
Surface area 27747464.762571
Volume 60452986471.651
Height 3773.5931889322