12691838 is an even 8-digits composite number following 12691837
and preceding 12691839 . In scientific notation, it is written as 1.2691838 × 10^7.
The sum of its digits is 38. It has a total of 2 prime factors and 4 positive divisors.
There are 6345918 positive integers (up to 12691838) that are relatively prime to 12691838.
12691838 has 4 divisors, whose sum is 19037760
The reverse of 12691838 is 83819621
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 38
Digital Root 2
Name
twelve million six hundred ninety-one thousand eight hundred thirty-eight
Scientific notation
1.2691838 × 10^7
Engineering notation
1.2691838 × 10^6
Prime Factorization
2 × 6345919
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
12691838
Product of the distinct prime numbers
The prime factorization of 12691838 is 2 × 6345919.
Since it has a total of 2 prime factors.
1 , 10 , 86 , 27 , 675 , 582 , 1455 , 1678 , 75091 , 72886 , 164315 , 347208 , 1291491 , 2207335 , 69421995 , 37649402 , 738135122 , 443986955 , 5983585027 , 8941476450
n×2
25383676
n×3
38075514
n×4
50767352
n×5
63459190
n÷2
6345919
n÷3
4230612.6666667
n÷3
3172959.5
n÷5
2538367.6
n2
161082751818244
n3
2.0444361906714E+21
n4
2.5947652933338E+28
n5
3.2932340751015E+35
2 √n
3562.5605959759
3 √n
233.26066353772
4 √n
59.687189546635
5 √n
26.34540650307
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
-12691837
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 12691838 can be divided by 4 positive divisors.
The sum of these divisors (counting 12691838) is 1, the average is 0.25.
Base
System
Value
2
Binary
110000011010100101111110
3
Ternary
212212210221002
4
Quaternary
300122211332
5
Quinary
11222114323
6
Senary
1132010302
8
Octal
60324576
10
Decimal
12691838
12
Duodecimal
4300992
16
Hexadecimal
c1a97e
20
Vigesimal
3j69bi
36
Base36
7k132
md5
4a126572a30bb8c1cc2e82ac6a48235f
sha1
cbbf8958159ced395e78182c82bd33f72b72225b
sha256
041a1c0181894d90442af5040f85416dc1202370ebadcc21f30c86e0d7909ad8
sha512
7859e73ae0a5432c06da7542073d9c5c9837b3ecda1bcbd859e9f5d2e2ed32c71e6684abe3fe36926251cc43ef0d81af3c56248b682fb2a75b0ad6b5a1495ddf
ripemd-160
e1c4f1b3c8e534c5341938f4da7257de51f404ce
Diameter
25383676
Circumference
79745170.042704
Area
5.0605638973222E+14
Volume
8.563714289795E+21
Surface area
2.0242255589289E+15
Circumference
79745170.042704
Perimeter
50767352
Area
161082751818244
Diagonal
17948969.431042
Surface area
966496510909464
Volume
2.0444361906714E+21
Space diagonal
21982908.257433
Perimeter
38075514
Area
69750877593052
Altitude
10991454.128717
Surface area
69750877593052
Volume
2.4093911568782E+20
Height
5982989.8103474