6405 (number)

6405 is an odd 4-digits composite number following 6404 and preceding 6406. In scientific notation, it is written as 6.405 × 10^3. The sum of its digits is 15. It has a total of 3 prime factors and 8 positive divisors. There are 2880 positive integers (up to 6405) that are relatively prime to 6405.

Interesting facts

Basic properties

Name

Name six thousand four hundred five

Notation

Scientific notation 6.405 × 10^3
Engineering notation 6.405 × 10^3

Prime Factorization of 6405

Prime Factorization 35 × 3 × 61

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 6405
Product of the distinct prime numbers

The prime factorization of 6405 is 35 × 3 × 61. Since it has a total of 3 prime factors.

Most popular turbo-numbers

4, 6, 15, 51, 285, 451, 3427, 7903, 93796, 63635, 109778, 751786, 3845954, 3176540, 68560326, 52994030, 421573006, 734589869, 5712042683, 2486492323

Basic calculations (n = 6405)

Multiplication

n×y
n×2 12810
n×3 19215
n×4 25620
n×5 32025

Division

n÷y
n÷2 3202.5
n÷3 2135
n÷3 1601.25
n÷5 1281

Exponentiation

ny
n2 41024025
n3 262758880125
n4 1682970627200625
n5 1.077942686722E+19

Nth Root

y√n
2√n 80.031243898867
3√n 18.571189064254
4√n 8.9460183265444
5√n 5.7717010294247

Divisors of 6405

1, 3, 35, 61, 105, 183, 2135, 6405

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 -6404
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 6405 can be divided by 8 positive divisors. The sum of these divisors (counting 6405) is 1, the average is 0.125.

Base conversion 6405

Base System Value
2 Binary 1100100000101
3 Ternary 22210020
4 Quaternary 1210011
5 Quinary 201110
6 Senary 45353
8 Octal 14405
10 Decimal 6405
12 Duodecimal 3859
16 Hexadecimal 1905
20 Vigesimal g05
36 Base36 4xx

Cryptographic Hash Functions

md5 b58f7d184743106a8a66028b7a28937c
sha1 6343b725aa048c93dceadd37d7b1e33580e2ce96
sha256 d6351c49477d73e09539228f627eaffb95fe5835a40c5bf61afd54ff72ac40bf
sha512 8639b785a02617d9a143dce73d5ae5c52fc62ea9ef69e1895b88688e7736e6c28862466f4df231937901773a5cdc5bf3a9573bec747a9c647a5571fb87d4aa76
ripemd-160 d4b04f038fddfecad30ab3e6ab012e8f8f6bd029

6405 as geometric shapes

Circle

Radius = n
Diameter 12810
Circumference 40243.801892485
Area 128880775.56068

Sphere

Radius = n
Volume 1100641823288.2
Surface area 515523102.24274
Circumference 40243.801892485

Square

Length = n
Perimeter 25620
Area 41024025
Diagonal 9058.0378669997

Cube

Length = n
Surface area 246144150
Volume 262758880125
Space diagonal 11093.785422479

Equilateral Triangle

Length = n
Perimeter 19215
Area 17763923.907744
Altitude 5546.8927112393

Triangular Pyramid

Length = n
Surface area 17763923.907744
Volume 30966430992.228
Height 3019.3459556666