1309 (number)

1309 is an odd 4-digits composite number following 1308 and preceding 1310. In scientific notation, it is written as 1.309 × 10^3. The sum of its digits is 13. It has a total of 3 prime factors and 8 positive divisors. There are 960 positive integers (up to 1309) that are relatively prime to 1309.

Interesting facts

Basic properties

Name

Name one thousand three hundred nine

Notation

Scientific notation 1.309 × 10^3
Engineering notation 1.309 × 10^3

Prime Factorization of 1309

Prime Factorization 7 × 11 × 17

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 1309
Product of the distinct prime numbers

The prime factorization of 1309 is 7 × 11 × 17. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 1309)

Multiplication

n×y
n×2 2618
n×3 3927
n×4 5236
n×5 6545

Division

n÷y
n÷2 654.5
n÷3 436.33333333333
n÷3 327.25
n÷5 261.8

Exponentiation

ny
n2 1713481
n3 2242946629
n4 2936017137361
n5 3843246432805549

Nth Root

y√n
2√n 36.180105030251
3√n 10.939056921223
4√n 6.014990027444
5√n 4.2013409711755

Divisors of 1309

1, 7, 11, 17, 77, 119, 187, 1309

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 -1308
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 1309 can be divided by 8 positive divisors. The sum of these divisors (counting 1309) is 1, the average is 0.125.

Base conversion 1309

Base System Value
2 Binary 10100011101
3 Ternary 1210111
4 Quaternary 110131
5 Quinary 20214
6 Senary 10021
8 Octal 2435
10 Decimal 1309
12 Duodecimal 911
16 Hexadecimal 51d
20 Vigesimal 359
36 Base36 10d

Cryptographic Hash Functions

md5 4476b929e30dd0c4e8bdbcc82c6ba23a
sha1 c0a117eea10d8f6bcef0d75f59157b6c33ebf591
sha256 0c1a70e4512ee6f78c92820756a4026ce1f93872369624f31cf206614b2e231f
sha512 b057f0c8b04f1d1dea26b5244cb137975911eb5cc389d6f5719a72b87f907fabbb1cf168bc6c2f37ee8b3179158c5bff68858ae1d8d902113de25c2703d1c6d1
ripemd-160 859d3afbf9d09a0db66c4f786fedc1dd69b834ca

1309 as geometric shapes

Circle

Radius = n
Diameter 2618
Circumference 8224.6895670981
Area 5383059.3216657

Sphere

Radius = n
Volume 9395232869.4139
Surface area 21532237.286663
Circumference 8224.6895670981

Square

Length = n
Perimeter 5236
Area 1713481
Diagonal 1851.2055531464

Cube

Length = n
Surface area 10280886
Volume 2242946629
Space diagonal 2267.2545071077

Equilateral Triangle

Length = n
Perimeter 3927
Area 741959.03745098
Altitude 1133.6272535538

Triangular Pyramid

Length = n
Surface area 741959.03745098
Volume 264333795.2009
Height 617.06851771546