12978065 is an odd 8-digits composite number following 12978064
and preceding 12978066 . In scientific notation, it is written as 1.2978065 × 10^7.
The sum of its digits is 38. It has a total of 2 prime factors and 4 positive divisors.
There are 10382448 positive integers (up to 12978065) that are relatively prime to 12978065.
12978065 has 4 divisors, whose sum is 15573684
The reverse of 12978065 is 56087921
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 38
Digital Root 2
Name
twelve million nine hundred seventy-eight thousand sixty-five
Scientific notation
1.2978065 × 10^7
Engineering notation
1.2978065 × 10^6
Prime Factorization
5 × 2595613
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
12978065
Product of the distinct prime numbers
The prime factorization of 12978065 is 5 × 2595613.
Since it has a total of 2 prime factors.
3 , 1 , 15 , 24 , 200 , 400 , 2768 , 8327 , 36377 , 15037 , 78723 , 381689 , 7503823 , 4274382 , 55144476 , 6064803 , 912851322 , 985936023 , 3583600567 , 1516734806
n×2
25956130
n×3
38934195
n×4
51912260
n×5
64890325
n÷2
6489032.5
n÷3
4326021.6666667
n÷3
3244516.25
n÷5
2595613
n2
168430171144225
n3
2.1858977090709E+21
n4
2.8368722551673E+28
n5
3.6817112524258E+35
2 √n
3602.5081540505
3 √n
235.001146818
4 √n
60.020897644491
5 √n
26.463177450374
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
-12978064
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 12978065 can be divided by 4 positive divisors.
The sum of these divisors (counting 12978065) is 1, the average is 0.25.
Base
System
Value
2
Binary
110001100000011110010001
3
Ternary
220102100120002
4
Quaternary
301200132101
5
Quinary
11310244230
6
Senary
1142055345
8
Octal
61403621
10
Decimal
12978065
12
Duodecimal
441a555
16
Hexadecimal
c60791
20
Vigesimal
412535
36
Base36
7q5xt
md5
033c224f5e9e277280d018ac57457e68
sha1
ddf6b47d3a76ce1f1095c83ff1ab416746a2694a
sha256
68014911a7f4c448004921062bbb512587a8c790856af6bd7d90d5b4448a37e5
sha512
7048c94675cd1485bedb98794882bdef857a3df68ae6c87f9303320dc2c40559151052eb3a2ae9c534b77b5d08ffe3fdef5f839d6cefe943dac2bdd2fcb13c6b
ripemd-160
145e92980ed5e1cc4c985e72737874ea1274f338
Diameter
25956130
Circumference
81543587.323622
Area
5.2913898830957E+14
Volume
9.1562669124211E+21
Surface area
2.1165559532383E+15
Circumference
81543587.323622
Perimeter
51912260
Area
168430171144225
Diagonal
18353755.53636
Surface area
1010581026865350
Volume
2.1858977090709E+21
Space diagonal
22478667.963931
Perimeter
38934195
Area
72932403487330
Altitude
11239333.981966
Surface area
72932403487330
Volume
2.5761051551069E+20
Height
6117918.5121199