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.
1309 has 8 divisors, whose sum is 1728
The reverse of 1309 is 9031
Previous prime number is 11
Is Prime? no
Number parity odd
Number length 4
Sum of Digits 13
Digital Root 4
Name
one thousand three hundred nine
Scientific notation
1.309 × 10^3
Engineering notation
1.309 × 10^3
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.
5 , 9 , 20 , 56 , 582 , 18 , 4316 , 9260 , 72664 , 84035 , 758797 , 381412 , 5067453 , 5184627 , 35240909 , 11736596 , 688873786 , 183339947 , 6714499979 , 6685148879
n×2
2618
n×3
3927
n×4
5236
n×5
6545
n÷2
654.5
n÷3
436.33333333333
n÷3
327.25
n÷5
261.8
n2
1713481
n3
2242946629
n4
2936017137361
n5
3843246432805549
2 √n
36.180105030251
3 √n
10.939056921223
4 √n
6.014990027444
5 √n
4.2013409711755
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
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
md5
4476b929e30dd0c4e8bdbcc82c6ba23a
sha1
c0a117eea10d8f6bcef0d75f59157b6c33ebf591
sha256
0c1a70e4512ee6f78c92820756a4026ce1f93872369624f31cf206614b2e231f
sha512
b057f0c8b04f1d1dea26b5244cb137975911eb5cc389d6f5719a72b87f907fabbb1cf168bc6c2f37ee8b3179158c5bff68858ae1d8d902113de25c2703d1c6d1
ripemd-160
859d3afbf9d09a0db66c4f786fedc1dd69b834ca
Diameter
2618
Circumference
8224.6895670981
Area
5383059.3216657
Volume
9395232869.4139
Surface area
21532237.286663
Circumference
8224.6895670981
Perimeter
5236
Area
1713481
Diagonal
1851.2055531464
Surface area
10280886
Volume
2242946629
Space diagonal
2267.2545071077
Perimeter
3927
Area
741959.03745098
Altitude
1133.6272535538
Surface area
741959.03745098
Volume
264333795.2009
Height
617.06851771546