12811 (number)

12811 is an odd 5-digits composite number following 12810 and preceding 12812. In scientific notation, it is written as 1.2811 × 10^4. The sum of its digits is 13. It has a total of 2 prime factors and 4 positive divisors. There are 12232 positive integers (up to 12811) that are relatively prime to 12811.

Interesting facts

Basic properties

Name

Name twelve thousand eight hundred eleven

Notation

Scientific notation 1.2811 × 10^4
Engineering notation 1.2811 × 10^3

Prime Factorization of 12811

Prime Factorization 23 × 557

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 12811
Product of the distinct prime numbers

The prime factorization of 12811 is 23 × 557. Since it has a total of 2 prime factors.

Most popular turbo-numbers

8, 8, 94, 82, 584, 968, 1061, 9233, 98564, 75724, 971195, 57728, 9047612, 688990, 76793268, 29057582, 161721466, 312509619, 4884648893, 7113406827

Basic calculations (n = 12811)

Multiplication

n×y
n×2 25622
n×3 38433
n×4 51244
n×5 64055

Division

n÷y
n÷2 6405.5
n÷3 4270.3333333333
n÷3 3202.75
n÷5 2562.2

Exponentiation

ny
n2 164121721
n3 2102563367731
n4 26935939304001841
n5 3.4507631842357E+20

Nth Root

y√n
2√n 113.18568814121
3√n 23.398840861081
4√n 10.638876263084
5√n 6.6300469868009

Divisors of 12811

1, 23, 557, 12811

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 -12810
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 12811 can be divided by 4 positive divisors. The sum of these divisors (counting 12811) is 1, the average is 0.25.

Base conversion 12811

Base System Value
2 Binary 11001000001011
3 Ternary 122120111
4 Quaternary 3020023
5 Quinary 402221
6 Senary 135151
8 Octal 31013
10 Decimal 12811
12 Duodecimal 74b7
16 Hexadecimal 320b
20 Vigesimal 1c0b
36 Base36 9vv

Cryptographic Hash Functions

md5 ec26dcdc2dd4deebfc38610ebe2ef318
sha1 71429ec548a7b032194b38d0ae08daa42ea35050
sha256 3ab8cc4279536204be45fc1d3e2cfc45a2f0557a69ad5de631d8fed58e29e0ed
sha512 f6458b2971fa5e1889d2324223cfafbc4b666638c9fef522f7a731c5ce60290dc91980cf0ec66304fdd4f45ab20c15b1a27f36987a86b787f1b3bbbe10a5f002
ripemd-160 0297a2419129a3f14680381f0c6e6358d20ab8ca

12811 as geometric shapes

Circle

Radius = n
Diameter 25622
Circumference 80493.886970278
Area 515603592.98811

Sphere

Radius = n
Volume 8807196839694.3
Surface area 2062414371.9525
Circumference 80493.886970278

Square

Length = n
Perimeter 51244
Area 164121721
Diagonal 18117.489947562

Cube

Length = n
Surface area 984730326
Volume 2102563367731
Space diagonal 22189.302895765

Equilateral Triangle

Length = n
Perimeter 38433
Area 71066789.849411
Altitude 11094.651447882

Triangular Pyramid

Length = n
Surface area 71066789.849411
Volume 247789469199.5
Height 6039.1633158539