12851978 is an even 8-digits composite number following 12851977
and preceding 12851979 . In scientific notation, it is written as 1.2851978 × 10^7.
The sum of its digits is 41. It has a total of 2 prime factors and 4 positive divisors.
There are 6425988 positive integers (up to 12851978) that are relatively prime to 12851978.
12851978 has 4 divisors, whose sum is 19277970
The reverse of 12851978 is 87915821
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 41
Digital Root 5
Name
twelve million eight hundred fifty-one thousand nine hundred seventy-eight
Scientific notation
1.2851978 × 10^7
Engineering notation
1.2851978 × 10^6
Prime Factorization
2 × 6425989
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
12851978
Product of the distinct prime numbers
The prime factorization of 12851978 is 2 × 6425989.
Since it has a total of 2 prime factors.
5 , 9 , 70 , 46 , 354 , 160 , 7614 , 448 , 6116 , 73683 , 569864 , 906255 , 3312485 , 7528583 , 42003223 , 11095676 , 739695093 , 379164229 , 5498050295 , 3194708766
n×2
25703956
n×3
38555934
n×4
51407912
n×5
64259890
n÷2
6425989
n÷3
4283992.6666667
n÷3
3212994.5
n÷5
2570395.6
n2
165173338512484
n3
2.122804112749E+21
n4
2.728223175536E+28
n5
3.5063064231078E+35
2 √n
3584.965550741
3 √n
234.23762599757
4 √n
59.874581841889
5 √n
26.411556418194
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
-12851977
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 12851978 can be divided by 4 positive divisors.
The sum of these divisors (counting 12851978) is 1, the average is 0.25.
Base
System
Value
2
Binary
110001000001101100001010
3
Ternary
220011221121012
4
Quaternary
301001230022
5
Quinary
11242230403
6
Senary
1135243522
8
Octal
61015412
10
Decimal
12851978
12
Duodecimal
43795a2
16
Hexadecimal
c41b0a
20
Vigesimal
4069ii
36
Base36
7ngne
md5
a80b1f6e8b0af3daebf6b5c3cbe4cbde
sha1
57a7e89a50079f407693c812519ad678e1073d3d
sha256
51050f2ad25cec5012d2ce1287554258bec814d1cfb5723d1cc79dd90a567ab8
sha512
e928589b2bf18b9744f1339f30a6e2bbd8ab0da01d74d9c978abe30f24e9fbd8cf8e70896c80875d49395053669f31fa5ee149148126c47031ded777eaeafd05
ripemd-160
7b48a2576eca8b9ed090acde8f27f273fdbe89f4
Diameter
25703956
Circumference
80751359.337795
Area
5.1890734683972E+14
Volume
8.8919810741633E+21
Surface area
2.0756293873589E+15
Circumference
80751359.337795
Perimeter
51407912
Area
165173338512484
Diagonal
18175441.590921
Surface area
991040031074904
Volume
2.122804112749E+21
Space diagonal
22260278.873757
Perimeter
38555934
Area
71522153589849
Altitude
11130139.436879
Surface area
71522153589849
Volume
2.5017486387592E+20
Height
6058480.5303069