1318 is an even 4-digits composite number following 1317
and preceding 1319 . In scientific notation, it is written as 1.318 × 10^3.
The sum of its digits is 13. It has a total of 2 prime factors and 4 positive divisors.
There are 658 positive integers (up to 1318) that are relatively prime to 1318.
1318 has 4 divisors, whose sum is 1980
The reverse of 1318 is 8131
Previous prime number is 2
Is Prime? no
Number parity even
Number length 4
Sum of Digits 13
Digital Root 4
Name
one thousand three hundred eighteen
Scientific notation
1.318 × 10^3
Engineering notation
1.318 × 10^3
Prime Factorization
2 × 659
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
1318
Product of the distinct prime numbers
The prime factorization of 1318 is 2 × 659.
Since it has a total of 2 prime factors.
2 , 10 , 32 , 92 , 328 , 893 , 9449 , 4927 , 31136 , 92898 , 542784 , 200282 , 6265655 , 603782 , 14567888 , 82895855 , 982384960 , 781135390 , 4554377023 , 8049243811
n×2
2636
n×3
3954
n×4
5272
n×5
6590
n÷2
659
n÷3
439.33333333333
n÷3
329.5
n÷5
263.6
n2
1737124
n3
2289529432
n4
3017599791376
n5
3977196525033568
2 √n
36.304269721343
3 √n
10.964070095784
4 √n
6.0253024589097
5 √n
4.2071023929121
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
-1317
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 1318 can be divided by 4 positive divisors.
The sum of these divisors (counting 1318) is 1, the average is 0.25.
Base
System
Value
2
Binary
10100100110
3
Ternary
1210211
4
Quaternary
110212
5
Quinary
20233
6
Senary
10034
8
Octal
2446
10
Decimal
1318
12
Duodecimal
91a
16
Hexadecimal
526
20
Vigesimal
35i
36
Base36
10m
md5
76cf99d3614e23eabab16fb27e944bf9
sha1
ff9bb9f4c63520a6d11f97c33b576438879f887f
sha256
095eaa09cd36d1f1e7a963c9ad618edab13f466882c9027ab81ffc18b0eb727e
sha512
602ebd5d32feb422466e67cb40da3a66285d6b3eff8d40c5aa81a0f10e7e2e5925d96d54e0b54405329a4d42660d6f82fd198b1a68a48c24306b1e977b13994a
ripemd-160
1544c67a76d7650ce8c6169336bb8e5dbba9faf0
Diameter
2636
Circumference
8281.2382348627
Area
5457335.9967745
Volume
9590358458.3317
Surface area
21829343.987098
Circumference
8281.2382348627
Perimeter
5272
Area
1737124
Diagonal
1863.9334752077
Surface area
10422744
Volume
2289529432
Space diagonal
2282.8429643758
Perimeter
3954
Area
752196.75676182
Altitude
1141.4214821879
Surface area
752196.75676182
Volume
269823631.18223
Height
621.31115840258