78864894 is an even 8-digits composite number following 78864893
and preceding 78864895 . In scientific notation, it is written as 7.8864894 × 10^7.
The sum of its digits is 54. It has a total of 4 prime factors and 16 positive divisors.
There are 25375680 positive integers (up to 78864894) that are relatively prime to 78864894.
78864894 has 16 divisors, whose sum is 119664000
The reverse of 78864894 is 49846887
Previous prime number is 199
Is Prime? no
Number parity even
Number length 8
Sum of Digits 54
Digital Root 9
Name
seventy-eight million eight hundred sixty-four thousand eight hundred ninety-four
Scientific notation
7.8864894 × 10^7
Engineering notation
7.8864894 × 10^6
Prime Factorization
2 × 1107 × 199 × 179
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
78864894
Product of the distinct prime numbers
The prime factorization of 78864894 is 2 × 1107 × 199 × 179.
Since it has a total of 4 prime factors.
6 , 1 , 30 , 55 , 167 , 458 , 8937 , 8675 , 39363 , 93119 , 676851 , 78715 , 4444607 , 8673850 , 81486341 , 62633472 , 833410067 , 552324816 , 3836619771 , 18658291
n×2
157729788
n×3
236594682
n×4
315459576
n×5
394324470
n÷2
39432447
n÷3
26288298
n÷3
19716223.5
n÷5
15772978.8
n2
6219671505631236
n3
4.9051373400643E+23
n4
3.8684313637961E+31
n5
3.0508342945206E+39
2 √n
8880.5908587211
3 √n
428.83929625551
4 √n
94.236886932459
5 √n
37.964417853009
1 , 2 , 179 , 199 , 358 , 398 , 1107 , 2214 , 35621 , 71242 , 198153 , 220293 , 396306 , 440586 , 39432447 , 78864894
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-78864893
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 78864894 can be divided by 16 positive divisors.
The sum of these divisors (counting 78864894) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100101100110110000111111110
3
Ternary
12111101202022000
4
Quaternary
10230312013332
5
Quinary
130142134034
6
Senary
11454203130
8
Octal
454660776
10
Decimal
78864894
12
Duodecimal
224b34a6
16
Hexadecimal
4b361fe
20
Vigesimal
14ci24e
36
Base36
1aycji
md5
8eb9b364563c7fd3b50286491ccf3edf
sha1
28a800880d264d5feede3a4c2a538a2c365bc660
sha256
ff39b6bd04e06af4d4169404cfd461b3961482c6f2a752c98706c2fcfd615d65
sha512
21297fc1f9e7cc4bf8e4059592c9db3d40619859898c655e1f84d22b41c7ba265c187ae0639e6f5d96fe9cccbe59a153f3876c23726e9de22a4c1706959ccb71
ripemd-160
3a459c5bf308746367a0e6f2c928aa6ff114b322
Diameter
157729788
Circumference
495522743.23308
Area
1.9539674309833E+16
Volume
2.0546591243193E+24
Surface area
7.8158697239331E+16
Circumference
495522743.23308
Perimeter
315459576
Area
6219671505631236
Diagonal
111531802.68992
Surface area
37318029033787416
Volume
4.9051373400643E+23
Space diagonal
136598003.34153
Perimeter
236594682
Area
2.6931967635354E+15
Altitude
68299001.670767
Surface area
2.6931967635354E+15
Volume
5.780759793018E+22
Height
37177267.563306