78864140 is an even 8-digits composite number following 78864139
and preceding 78864141 . In scientific notation, it is written as 7.8864140 × 10^7.
The sum of its digits is 38. It has a total of 4 prime factors and 12 positive divisors.
There are 31545648 positive integers (up to 78864140) that are relatively prime to 78864140.
78864140 has 12 divisors, whose sum is 165614736
The reverse of 78864140 is 04146887
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 38
Digital Root 2
Name
seventy-eight million eight hundred sixty-four thousand one hundred forty
Scientific notation
7.8864140 × 10^7
Engineering notation
7.8864140 × 10^6
Prime Factorization
2 × 2 × 5 × 3943207
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
39432070
Product of the distinct prime numbers
The prime factorization of 78864140 is 2 × 2 × 5 × 3943207.
Since it has a total of 4 prime factors.
10 , 5 , 46 , 34 , 744 , 397 , 4729 , 6580 , 60319 , 45673 , 44439 , 494960 , 8245134 , 4409134 , 30035645 , 46334125 , 469063423 , 583217922 , 1691725769 , 2705060152
n×2
157728280
n×3
236592420
n×4
315456560
n×5
394320700
n÷2
39432070
n÷3
26288046.666667
n÷3
19716035
n÷5
15772828
n2
6219552577939600
n3
4.9049966524399E+23
n4
3.8682834269755E+31
n5
3.0506884574468E+39
2 √n
8880.5484064893
3 √n
428.83792958972
4 √n
94.236661690073
5 √n
37.964345259796
1 , 2 , 4 , 5 , 10 , 20 , 3943207 , 7886414 , 15772828 , 19716035 , 39432070 , 78864140
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
-78864139
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 78864140 can be divided by 12 positive divisors.
The sum of these divisors (counting 78864140) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
100101100110101111100001100
3
Ternary
12111101201021002
4
Quaternary
10230311330030
5
Quinary
130142123030
6
Senary
11454155432
8
Octal
454657414
10
Decimal
78864140
12
Duodecimal
224b2b78
16
Hexadecimal
4b35f0c
20
Vigesimal
14ci070
36
Base36
1aybyk
md5
20b53ab837f05e6786cfd208267c1ae4
sha1
268f6ffcaeb38240d5ecfce0e670dd69fdc311a4
sha256
e247d6e14040a704fd67862150b127fd2c9a6a808333b88d92387b059bde5812
sha512
f705c43f9a66dc05d5fa663498a5db7d108fe2c115400ef82b472de01d28ddf555b37b36d616d2301c6e29a45e5227225a4f72326c17d6c09e63fbbad1d53ea7
ripemd-160
d3e7ee05d3b3786d04cfbd540c5f330203e77c93
Diameter
157728280
Circumference
495518005.71135
Area
1.9539300687471E+16
Volume
2.054600193225E+24
Surface area
7.8157202749882E+16
Circumference
495518005.71135
Perimeter
315456560
Area
6219552577939600
Diagonal
111530736.37289
Surface area
37317315467637600
Volume
4.9049966524399E+23
Space diagonal
136596697.37522
Perimeter
236592420
Area
2.6931452663343E+15
Altitude
68298348.687612
Surface area
2.6931452663343E+15
Volume
5.7805939910626E+22
Height
37176912.124297