12690 is an even 5-digits composite number following 12689
and preceding 12691 . In scientific notation, it is written as 1.2690 × 10^4.
The sum of its digits is 18. It has a total of 3 prime factors and 8 positive divisors.
There are 3312 positive integers (up to 12690) that are relatively prime to 12690.
12690 has 8 divisors, whose sum is 19584
The reverse of 12690 is 09621
Previous prime number is 135
Is Prime? no
Number parity even
Number length 5
Sum of Digits 18
Digital Root 9
Name
twelve thousand six hundred ninety
Scientific notation
1.2690 × 10^4
Engineering notation
1.2690 × 10^3
Prime Factorization
2 × 135 × 47
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
12690
Product of the distinct prime numbers
The prime factorization of 12690 is 2 × 135 × 47.
Since it has a total of 3 prime factors.
2 , 4 , 51 , 14 , 367 , 608 , 4507 , 7606 , 47159 , 51866 , 360705 , 928635 , 5805180 , 5078863 , 80249319 , 20088683 , 51083756 , 229920374 , 2022386848 , 5624767707
n×2
25380
n×3
38070
n×4
50760
n×5
63450
n÷2
6345
n÷3
4230
n÷3
3172.5
n÷5
2538
n2
161036100
n3
2043548109000
n4
25932625503210000
n5
3.2908501763573E+20
2 √n
112.64990013311
3 √n
23.324940292028
4 √n
10.613665725522
5 √n
6.6174752308932
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
-12689
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 12690 can be divided by 8 positive divisors.
The sum of these divisors (counting 12690) is 1, the average is 0.125.
Base
System
Value
2
Binary
11000110010010
3
Ternary
122102000
4
Quaternary
3012102
5
Quinary
401230
6
Senary
134430
8
Octal
30622
10
Decimal
12690
12
Duodecimal
7416
16
Hexadecimal
3192
20
Vigesimal
1bea
36
Base36
9si
md5
9fa8671d6d5f2796100bbd67eca81450
sha1
72ec94133d88a88859d7150fd85c5c1fe8650df7
sha256
493ab7715d7f59d30a904547cb499852b9309f49c6f4a56c6f133badfe8c31c4
sha512
c04be8856b785eff9bbb8b5939ad264e58ee3a65301f0e021ba63d9e402279796e4d6c7cd6602d499b92d4b4daad301c973f58009f62a18f0062de05a5482b74
ripemd-160
d1ffd06a8ab3503e8010c3450abecec59e535ed1
Diameter
25380
Circumference
79733.621548109
Area
505909828.72275
Volume
8559994301989
Surface area
2023639314.891
Circumference
79733.621548109
Perimeter
50760
Area
161036100
Diagonal
17946.370106515
Surface area
966216600
Volume
2043548109000
Space diagonal
21979.724748049
Perimeter
38070
Area
69730676.763186
Altitude
10989.862374025
Surface area
69730676.763186
Volume
240834454259.14
Height
5982.1233688382