1286 (number)

1286 is an even 4-digits composite number following 1285 and preceding 1287. In scientific notation, it is written as 1.286 × 10^3. The sum of its digits is 17. It has a total of 2 prime factors and 4 positive divisors. There are 642 positive integers (up to 1286) that are relatively prime to 1286.

Interesting facts

Basic properties

Name

Name one thousand two hundred eighty-six

Notation

Scientific notation 1.286 × 10^3
Engineering notation 1.286 × 10^3

Prime Factorization of 1286

Prime Factorization 2 × 643

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 1286
Product of the distinct prime numbers

The prime factorization of 1286 is 2 × 643. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 1286)

Multiplication

n×y
n×2 2572
n×3 3858
n×4 5144
n×5 6430

Division

n÷y
n÷2 643
n÷3 428.66666666667
n÷3 321.5
n÷5 257.2

Exponentiation

ny
n2 1653796
n3 2126781656
n4 2735041209616
n5 3517262995566176

Nth Root

y√n
2√n 35.860842154082
3√n 10.874609137315
4√n 5.9883922845854
5√n 4.1864720271445

Divisors of 1286

1, 2, 643, 1286

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 -1285
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 1286 can be divided by 4 positive divisors. The sum of these divisors (counting 1286) is 1, the average is 0.25.

Base conversion 1286

Base System Value
2 Binary 10100000110
3 Ternary 1202122
4 Quaternary 110012
5 Quinary 20121
6 Senary 5542
8 Octal 2406
10 Decimal 1286
12 Duodecimal 8b2
16 Hexadecimal 506
20 Vigesimal 346
36 Base36 zq

Cryptographic Hash Functions

md5 c0a271bc0ecb776a094786474322cb82
sha1 91b92669ecf0fa9c6e550fd5fd76c31b5c969f57
sha256 2adf89afa76f370d54092cb53f74d1558f116bbbffe20007a67ba31746fdb7e3
sha512 0af3e15edc5e7825aa71796bb5b757425f1b0d02828e366fce89190bda14fa0db8fac09a6bd031a7e7e5bdf2e380ad33f1af87b1b1cd29cb472416756ca77984
ripemd-160 cd42f9d826a29af42d2cd7c265d98246be801f21

1286 as geometric shapes

Circle

Radius = n
Diameter 2572
Circumference 8080.1763050329
Area 5195553.3641362

Sphere

Radius = n
Volume 8908642168.3722
Surface area 20782213.456545
Circumference 8080.1763050329

Square

Length = n
Perimeter 5144
Area 1653796
Diagonal 1818.6786412118

Cube

Length = n
Surface area 9922776
Volume 2126781656
Space diagonal 2227.4173385336

Equilateral Triangle

Length = n
Perimeter 3858
Area 716114.67433854
Altitude 1113.7086692668

Triangular Pyramid

Length = n
Surface area 716114.67433854
Volume 250643621.84346
Height 606.22621373727