12691938 is an even 8-digits composite number following 12691937
and preceding 12691939 . In scientific notation, it is written as 1.2691938 × 10^7.
The sum of its digits is 39. It has a total of 4 prime factors and 16 positive divisors.
There are 3626256 positive integers (up to 12691938) that are relatively prime to 12691938.
12691938 has 16 divisors, whose sum is 29010240
The reverse of 12691938 is 83919621
Previous prime number is 7
Is Prime? no
Number parity even
Number length 8
Sum of Digits 39
Digital Root 3
Name
twelve million six hundred ninety-one thousand nine hundred thirty-eight
Scientific notation
1.2691938 × 10^7
Engineering notation
1.2691938 × 10^6
Prime Factorization
2 × 3 × 7 × 302189
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
12691938
Product of the distinct prime numbers
The prime factorization of 12691938 is 2 × 3 × 7 × 302189.
Since it has a total of 4 prime factors.
1 , 2 , 6 , 18 , 566 , 423 , 711 , 385 , 94072 , 6062 , 639327 , 466781 , 8890214 , 6917843 , 37332898 , 13806875 , 295458922 , 135551304 , 9770981131 , 5458884062
n×2
25383876
n×3
38075814
n×4
50767752
n×5
63459690
n÷2
6345969
n÷3
4230646
n÷3
3172984.5
n÷5
2538387.6
n2
161085290195844
n3
2.0444845158777E+21
n4
2.5948470717479E+28
n5
3.2933638154106E+35
2 √n
3562.5746307972
3 √n
233.26127616255
4 √n
59.687307116314
5 √n
26.34544801845
1 , 2 , 3 , 6 , 7 , 14 , 21 , 42 , 302189 , 604378 , 906567 , 1813134 , 2115323 , 4230646 , 6345969 , 12691938
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-12691937
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 12691938 can be divided by 16 positive divisors.
The sum of these divisors (counting 12691938) is 1, the average is 0.0625.
Base
System
Value
2
Binary
110000011010100111100010
3
Ternary
212212211001210
4
Quaternary
300122213202
5
Quinary
11222120223
6
Senary
1132010550
8
Octal
60324742
10
Decimal
12691938
12
Duodecimal
4300a56
16
Hexadecimal
c1a9e2
20
Vigesimal
3j69gi
36
Base36
7k15u
md5
268fc68e2eb2a22df158989020f36eb4
sha1
8eade2faff2b2711908bb154f12f60c07caaa0cf
sha256
4b14f525495e28adcff206a98b7f499f3dadd61bbe9a37fc9d2a0bd00f54b53c
sha512
229899788881b6bef55deaa97e8f417d3ce5a6a4a760503dc1ae19dab5a918ca0e90c8c391287e4a76b28f81d4bbc353c7d2b9626a0521de864eda5d7d95e46c
ripemd-160
c8578c62d937a30e60326ae11f23344a683f685f
Diameter
25383876
Circumference
79745798.361234
Area
5.0606436428064E+14
Volume
8.5639167139458E+21
Surface area
2.0242574571226E+15
Circumference
79745798.361234
Perimeter
50767752
Area
161085290195844
Diagonal
17949110.852398
Surface area
966511741175064
Volume
2.0444845158777E+21
Space diagonal
21983081.462514
Perimeter
38075814
Area
69751976742795
Altitude
10991540.731257
Surface area
69751976742795
Volume
2.40944810868E+20
Height
5983036.9507995