10805 (number)

10805 is an odd 5-digits composite number following 10804 and preceding 10806. In scientific notation, it is written as 1.0805 × 10^4. The sum of its digits is 14. It has a total of 2 prime factors and 4 positive divisors. There are 8640 positive integers (up to 10805) that are relatively prime to 10805.

Interesting facts

Basic properties

Name

Name ten thousand eight hundred five

Notation

Scientific notation 1.0805 × 10^4
Engineering notation 1.0805 × 10^3

Prime Factorization of 10805

Prime Factorization 5 × 2161

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 10805
Product of the distinct prime numbers

The prime factorization of 10805 is 5 × 2161. Since it has a total of 2 prime factors.

Most popular turbo-numbers

1, 3, 56, 8, 948, 780, 6608, 2875, 38901, 77296, 774001, 633889, 5419798, 8358141, 9047825, 9909222, 935646010, 605576350, 559874078, 8845545496

Basic calculations (n = 10805)

Multiplication

n×y
n×2 21610
n×3 32415
n×4 43220
n×5 54025

Division

n÷y
n÷2 5402.5
n÷3 3601.6666666667
n÷3 2701.25
n÷5 2161

Exponentiation

ny
n2 116748025
n3 1261462410125
n4 13630101341400625
n5 1.4727324499383E+20

Nth Root

y√n
2√n 103.9471019317
3√n 22.107599605844
4√n 10.195445156132
5√n 6.4080361669959

Divisors of 10805

1, 5, 2161, 10805

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 -10804
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 10805 can be divided by 4 positive divisors. The sum of these divisors (counting 10805) is 1, the average is 0.25.

Base conversion 10805

Base System Value
2 Binary 10101000110101
3 Ternary 112211012
4 Quaternary 2220311
5 Quinary 321210
6 Senary 122005
8 Octal 25065
10 Decimal 10805
12 Duodecimal 6305
16 Hexadecimal 2a35
20 Vigesimal 1705
36 Base36 8c5

Cryptographic Hash Functions

md5 48d23e87eb98cc2227b5a8c33fa00680
sha1 a6fbc67cf8603e34ea170b5229baf0cf68b43c8d
sha256 b1bbbcb5a5b1c41854cb0202059fa09cd4ffffd6d55b511f5d4d0f979dde3b05
sha512 49442ce482cf517d1c764b7ba928cdc7235f6d3709aa9b8e66731f003e6d748d56e3934fc39dc9e7cbea8b37b96ccc97eabf5fe823eda0a6526f6f3252d8c7b5
ripemd-160 98327f900a22c50c9256d258263e9312902759df

10805 as geometric shapes

Circle

Radius = n
Diameter 21610
Circumference 67889.817244075
Area 366774737.66112

Sphere

Radius = n
Volume 5284001387237.8
Surface area 1467098950.6445
Circumference 67889.817244075

Square

Length = n
Perimeter 43220
Area 116748025
Diagonal 15280.577541441

Cube

Length = n
Surface area 700488150
Volume 1261462410125
Space diagonal 18714.808975782

Equilateral Triangle

Length = n
Perimeter 32415
Area 50553377.74583
Altitude 9357.4044878909

Triangular Pyramid

Length = n
Surface area 50553377.74583
Volume 148664770735.22
Height 5093.5258471471