12978137 is an odd 8-digits composite number following 12978136
and preceding 12978138 . In scientific notation, it is written as 1.2978137 × 10^7.
The sum of its digits is 38. It has a total of 2 prime factors and 4 positive divisors.
There are 12856740 positive integers (up to 12978137) that are relatively prime to 12978137.
12978137 has 4 divisors, whose sum is 13099536
The reverse of 12978137 is 73187921
Previous prime number is 107
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 38
Digital Root 2
Name
twelve million nine hundred seventy-eight thousand one hundred thirty-seven
Scientific notation
1.2978137 × 10^7
Engineering notation
1.2978137 × 10^6
Prime Factorization
107 × 121291
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
12978137
Product of the distinct prime numbers
The prime factorization of 12978137 is 107 × 121291.
Since it has a total of 2 prime factors.
1 , 10 , 24 , 32 , 843 , 946 , 9979 , 9601 , 86589 , 52080 , 569890 , 721629 , 4295575 , 5978561 , 92822984 , 43894716 , 393308301 , 720579367 , 6236777197 , 1543296776
n×2
25956274
n×3
38934411
n×4
51912548
n×5
64890685
n÷2
6489068.5
n÷3
4326045.6666667
n÷3
3244534.25
n÷5
2595627.4
n2
168432039990769
n3
2.1859340901897E+21
n4
2.8369352095452E+28
n5
3.6818133809601E+35
2 √n
3602.5181470743
3 √n
235.00158139874
4 √n
60.020980890638
5 √n
26.46320681291
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
-12978136
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 12978137 can be divided by 4 positive divisors.
The sum of these divisors (counting 12978137) is 1, the average is 0.25.
Base
System
Value
2
Binary
110001100000011111011001
3
Ternary
220102100122202
4
Quaternary
301200133121
5
Quinary
11310300022
6
Senary
1142055545
8
Octal
61403731
10
Decimal
12978137
12
Duodecimal
441a5b5
16
Hexadecimal
c607d9
20
Vigesimal
41256h
36
Base36
7q5zt
md5
1deea82011b897f44a962fca95998114
sha1
c2d51b30d41801ce05029d3a35338829e314e90d
sha256
432621b07c9c8996a309915114b25ddaef5e08e137f7b155f15a22a60ba82c4b
sha512
7c9ce32b662a098684d60f3b77663a669d7c27f91e71b834a6ef4c08bbce1d92fe412fdf791cc09a37f317c90051e42b9c86a68bc4259fe2a46c0d32b541efa7
ripemd-160
2243e5d3847e527fbdbaa579f008b379cba6b07f
Diameter
25956274
Circumference
81544039.712964
Area
5.2914485946414E+14
Volume
9.1564193052952E+21
Surface area
2.1165794378566E+15
Circumference
81544039.712964
Perimeter
51912548
Area
168432039990769
Diagonal
18353857.359736
Surface area
1010592239944614
Volume
2.1859340901897E+21
Space diagonal
22478792.67159
Perimeter
38934411
Area
72933212721621
Altitude
11239396.335795
Surface area
72933212721621
Volume
2.5761480306666E+20
Height
6117952.4532454