12691878 is an even 8-digits composite number following 12691877
and preceding 12691879 . In scientific notation, it is written as 1.2691878 × 10^7.
The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors.
There are 4127360 positive integers (up to 12691878) that are relatively prime to 12691878.
12691878 has 16 divisors, whose sum is 26003376
The reverse of 12691878 is 87819621
Previous prime number is 41
Is Prime? no
Number parity even
Number length 8
Sum of Digits 42
Digital Root 6
Name
twelve million six hundred ninety-one thousand eight hundred seventy-eight
Scientific notation
1.2691878 × 10^7
Engineering notation
1.2691878 × 10^6
Prime Factorization
2 × 3 × 41 × 51593
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
12691878
Product of the distinct prime numbers
The prime factorization of 12691878 is 2 × 3 × 41 × 51593.
Since it has a total of 4 prime factors.
10 , 7 , 100 , 78 , 847 , 931 , 9964 , 4242 , 44509 , 59908 , 551638 , 97000 , 9010046 , 3757351 , 11546454 , 62842137 , 753917360 , 978008829 , 3126423561 , 7360322928
n×2
25383756
n×3
38075634
n×4
50767512
n×5
63459390
n÷2
6345939
n÷3
4230626
n÷3
3172969.5
n÷5
2538375.6
n2
161083767166884
n3
2.0444555206625E+21
n4
2.5947980044675E+28
n5
3.2932859707345E+35
2 √n
3562.5662099111
3 √n
233.26090858804
4 √n
59.68723657459
5 √n
26.345423109254
1 , 2 , 3 , 6 , 41 , 82 , 123 , 246 , 51593 , 103186 , 154779 , 309558 , 2115313 , 4230626 , 6345939 , 12691878
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
-12691877
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 12691878 can be divided by 16 positive divisors.
The sum of these divisors (counting 12691878) is 1, the average is 0.0625.
Base
System
Value
2
Binary
110000011010100110100110
3
Ternary
212212210222120
4
Quaternary
300122212212
5
Quinary
11222120003
6
Senary
1132010410
8
Octal
60324646
10
Decimal
12691878
12
Duodecimal
4300a06
16
Hexadecimal
c1a9a6
20
Vigesimal
3j69di
36
Base36
7k146
md5
db5540618ba623de5211feb0529fd333
sha1
c0c9d369d7477e3a932794ffa32492a3b6ec7d63
sha256
5adbdc3c91a66e576fa6974969611226d97c2e25aea081e224ae1b8705514d46
sha512
af89c593eaf35f19fe4406de5ec16254b7fe2e1efc0ed513c50363cf12babdedb5529054cb929021325cbb2a6c955ca7d838828007e963ec554c8cc33756c3a1
ripemd-160
890149e52d028db4dd68d9f6e95cb16e63b3bfaa
Diameter
25383756
Circumference
79745421.370116
Area
5.0605957954405E+14
Volume
8.5637952590725E+21
Surface area
2.0242383181762E+15
Circumference
79745421.370116
Perimeter
50767512
Area
161083767166884
Diagonal
17949025.999585
Surface area
966502603001304
Volume
2.0444555206625E+21
Space diagonal
21982977.539466
Perimeter
38075634
Area
69751317251910
Altitude
10991488.769733
Surface area
69751317251910
Volume
2.4094139374912E+20
Height
5983008.6665282