78867428 is an even 8-digits composite number following 78867427
and preceding 78867429 . In scientific notation, it is written as 7.8867428 × 10^7.
The sum of its digits is 50. It has a total of 4 prime factors and 12 positive divisors.
There are 39369960 positive integers (up to 78867428) that are relatively prime to 78867428.
78867428 has 12 divisors, whose sum is 138241152
The reverse of 78867428 is 82476887
Previous prime number is 631
Is Prime? no
Number parity even
Number length 8
Sum of Digits 50
Digital Root 5
Name
seventy-eight million eight hundred sixty-seven thousand four hundred twenty-eight
Scientific notation
7.8867428 × 10^7
Engineering notation
7.8867428 × 10^6
Prime Factorization
2 × 2 × 631 × 31247
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
39433714
Product of the distinct prime numbers
The prime factorization of 78867428 is 2 × 2 × 631 × 31247.
Since it has a total of 4 prime factors.
2 , 2 , 3 , 46 , 303 , 797 , 5123 , 9365 , 27477 , 64328 , 13035 , 793544 , 7335168 , 2652963 , 14537408 , 61056414 , 493782022 , 568774702 , 8051210682 , 2250637223
n×2
157734856
n×3
236602284
n×4
315469712
n×5
394337140
n÷2
39433714
n÷3
26289142.666667
n÷3
19716857
n÷5
15773485.6
n2
6220071199335184
n3
4.9056101746844E+23
n4
3.8689285724799E+31
n5
3.051324456272E+39
2 √n
8880.7335282622
3 √n
428.8438892038
4 √n
94.237643902329
5 √n
37.964661816054
1 , 2 , 4 , 631 , 1262 , 2524 , 31247 , 62494 , 124988 , 19716857 , 39433714 , 78867428
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-78867427
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 78867428 can be divided by 12 positive divisors.
The sum of these divisors (counting 78867428) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
100101100110110101111100100
3
Ternary
12111101212202212
4
Quaternary
10230312233210
5
Quinary
130142224203
6
Senary
11454222552
8
Octal
454665744
10
Decimal
78867428
12
Duodecimal
224b4a58
16
Hexadecimal
4b36be4
20
Vigesimal
14ci8b8
36
Base36
1ayehw
md5
ed04ca99e0538ff26bd8ae0e4d213843
sha1
8aecf49dbbfc1acc2d245343a42396c99a88b255
sha256
bd6fbbc3540112da163dc73da7a7e3d37f191ee6853ddf8e37a7f4a8d130cdb8
sha512
5cb4cb95df0d236dfe711145f38308d7e4f6772e069f4c7f3039340abe34062495a23041118051b8956db5a95f908415f62624fb7f17cbc824ca4454c2da6c1a
ripemd-160
e665fb95c72d519eb8afdf26f862b08e4948f052
Diameter
157734856
Circumference
495538664.82464
Area
1.9540929984637E+16
Volume
2.0548571848219E+24
Surface area
7.8163719938547E+16
Circumference
495538664.82464
Perimeter
315469712
Area
6220071199335184
Diagonal
111535386.30708
Surface area
37320427196011104
Volume
4.9056101746844E+23
Space diagonal
136602392.35828
Perimeter
236602284
Area
2.6933698359861E+15
Altitude
68301196.17914
Surface area
2.6933698359861E+15
Volume
5.7813170339618E+22
Height
37178462.102361