12856978 is an even 8-digits composite number following 12856977
and preceding 12856979 . In scientific notation, it is written as 1.2856978 × 10^7.
The sum of its digits is 46. It has a total of 2 prime factors and 4 positive divisors.
There are 6428488 positive integers (up to 12856978) that are relatively prime to 12856978.
12856978 has 4 divisors, whose sum is 19285470
The reverse of 12856978 is 87965821
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 46
Digital Root 1
Name
twelve million eight hundred fifty-six thousand nine hundred seventy-eight
Scientific notation
1.2856978 × 10^7
Engineering notation
1.2856978 × 10^6
Prime Factorization
2 × 6428489
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
12856978
Product of the distinct prime numbers
The prime factorization of 12856978 is 2 × 6428489.
Since it has a total of 2 prime factors.
6 , 9 , 41 , 28 , 410 , 208 , 3530 , 3235 , 31437 , 54096 , 238143 , 703946 , 5438938 , 2001589 , 22009524 , 34007116 , 634995275 , 31979262 , 2313829706 , 5376986761
n×2
25713956
n×3
38570934
n×4
51427912
n×5
64284890
n÷2
6428489
n÷3
4285659.3333333
n÷3
3214244.5
n÷5
2571395.6
n2
165301883292484
n3
2.12528267685E+21
n4
2.7324712620042E+28
n5
3.513132290122E+35
2 √n
3585.6628396992
3 √n
234.26799839839
4 √n
59.88040447174
5 √n
26.41361115617
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
-12856977
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 12856978 can be divided by 4 positive divisors.
The sum of these divisors (counting 12856978) is 1, the average is 0.25.
Base
System
Value
2
Binary
110001000010111010010010
3
Ternary
220012012110101
4
Quaternary
301002322102
5
Quinary
11242410403
6
Senary
1135323014
8
Octal
61027222
10
Decimal
12856978
12
Duodecimal
438046a
16
Hexadecimal
c42e92
20
Vigesimal
40728i
36
Base36
7nkia
md5
f952a1a81ef87573e9f1c7e8b6dd97fd
sha1
6bf41cc0ccc85aa157e7b1048a00d1a80b735351
sha256
4f18c97a6b8c7eb0ae61deb5d58a9b0b65cd9e06ae2788757a84c35850357915
sha512
0cb9d4215ce9d181f3ccc69868c3c33996e4fb835838e98e30f71fec4f6b96a9a887f0ca287bd394e38bbb189c7f000c6c14703fac0228a7991ac0df1d210dc6
ripemd-160
1b2085eb20bc7d1d9d0d810abe49a8852f9be0f4
Diameter
25713956
Circumference
80782775.264331
Area
5.1931118217623E+14
Volume
8.9023632591916E+21
Surface area
2.0772447287049E+15
Circumference
80782775.264331
Perimeter
51427912
Area
165301883292484
Diagonal
18182512.658733
Surface area
991811299754904
Volume
2.12528267685E+21
Space diagonal
22268939.127795
Perimeter
38570934
Area
71577815112351
Altitude
11134469.563898
Surface area
71577815112351
Volume
2.5046696545649E+20
Height
6060837.5529108