12691908 is an even 8-digits composite number following 12691907
and preceding 12691909 . In scientific notation, it is written as 1.2691908 × 10^7.
The sum of its digits is 36. It has a total of 5 prime factors and 24 positive divisors.
There are 4084416 positive integers (up to 12691908) that are relatively prime to 12691908.
12691908 has 24 divisors, whose sum is 25531800
The reverse of 12691908 is 80919621
Previous prime number is 29
Is Prime? no
Number parity even
Number length 8
Sum of Digits 36
Digital Root 9
Name
twelve million six hundred ninety-one thousand nine hundred eight
Scientific notation
1.2691908 × 10^7
Engineering notation
1.2691908 × 10^6
Prime Factorization
2 × 2 × 9 × 29 × 12157
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
6345954
Product of the distinct prime numbers
The prime factorization of 12691908 is 2 × 2 × 9 × 29 × 12157.
Since it has a total of 5 prime factors.
6 , 1 , 10 , 100 , 261 , 994 , 7587 , 3382 , 52773 , 64648 , 86704 , 612420 , 3309932 , 7333265 , 96797112 , 74995397 , 545462399 , 969946461 , 8569651823 , 1878425236
n×2
25383816
n×3
38075724
n×4
50767632
n×5
63459540
n÷2
6345954
n÷3
4230636
n÷3
3172977
n÷5
2538381.6
n2
161084528680464
n3
2.0444700182358E+21
n4
2.5948225380207E+28
n5
3.2933248928886E+35
2 √n
3562.5704203566
3 √n
233.26109237544
4 √n
59.687271845483
5 √n
26.345435563863
1 , 2 , 4 , 9 , 18 , 29 , 36 , 58 , 116 , 261 , 522 , 1044 , 12157 , 24314 , 48628 , 109413 , 218826 , 352553 , 437652 , 705106 , 1410212 , 3172977 , 6345954 , 12691908
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-12691907
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 12691908 can be divided by 24 positive divisors.
The sum of these divisors (counting 12691908) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
110000011010100111000100
3
Ternary
212212211000200
4
Quaternary
300122213010
5
Quinary
11222120113
6
Senary
1132010500
8
Octal
60324704
10
Decimal
12691908
12
Duodecimal
4300a30
16
Hexadecimal
c1a9c4
20
Vigesimal
3j69f8
36
Base36
7k150
md5
64a400a969931b75ce012f9394793c3b
sha1
3bc46374f04cc68a92d713aecefded41f6523c3c
sha256
7884673eb6ef46a436af315c305649f57e3a7bab95845c3c3b833f8812b54d56
sha512
e90fb83307437a114274611fa22ea57c37f214572abc356520460f90f2dc33dca67641e157a35154a9b44bd4f8f2dcfb9fc40aebe8f091bb22593bffaebf6a73
ripemd-160
2e61895e5360075a5042140315bd3a48c2bcca39
Diameter
25383816
Circumference
79745609.865675
Area
5.0606197190952E+14
Volume
8.5638559863656E+21
Surface area
2.0242478876381E+15
Circumference
79745609.865675
Perimeter
50767632
Area
161084528680464
Diagonal
17949068.425992
Surface area
966507172082784
Volume
2.0444700182358E+21
Space diagonal
21983029.50099
Perimeter
38075724
Area
69751646996962
Altitude
10991514.750495
Surface area
69751646996962
Volume
2.4094310230452E+20
Height
5983022.8086639