78831812 is an even 8-digits composite number following 78831811
and preceding 78831813 . In scientific notation, it is written as 7.8831812 × 10^7.
The sum of its digits is 38. It has a total of 4 prime factors and 12 positive divisors.
There are 39209160 positive integers (up to 78831812) that are relatively prime to 78831812.
78831812 has 12 divisors, whose sum is 138679296
The reverse of 78831812 is 21813887
Previous prime number is 191
Is Prime? no
Number parity even
Number length 8
Sum of Digits 38
Digital Root 2
Name
seventy-eight million eight hundred thirty-one thousand eight hundred twelve
Scientific notation
7.8831812 × 10^7
Engineering notation
7.8831812 × 10^6
Prime Factorization
2 × 2 × 191 × 103183
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
39415906
Product of the distinct prime numbers
The prime factorization of 78831812 is 2 × 2 × 191 × 103183.
Since it has a total of 4 prime factors.
7 , 7 , 53 , 21 , 298 , 762 , 4319 , 4796 , 29013 , 74354 , 635145 , 507149 , 3974300 , 3353109 , 16218582 , 80766788 , 530580678 , 458423523 , 511078289 , 48944675
n×2
157663624
n×3
236495436
n×4
315327248
n×5
394159060
n÷2
39415906
n÷3
26277270.666667
n÷3
19707953
n÷5
15766362.4
n2
6214454583203344
n3
4.8989671538562E+23
n4
3.8619445766697E+31
n5
3.0444408882245E+39
2 √n
8878.7280620593
3 √n
428.77932514531
4 √n
94.227002828591
5 √n
37.961232279313
1 , 2 , 4 , 191 , 382 , 764 , 103183 , 206366 , 412732 , 19707953 , 39415906 , 78831812
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
-78831811
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 78831812 can be divided by 12 positive divisors.
The sum of these divisors (counting 78831812) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
100101100101110000011000100
3
Ternary
12111100001220202
4
Quaternary
10230232003010
5
Quinary
130140104222
6
Senary
11453350032
8
Octal
454560304
10
Decimal
78831812
12
Duodecimal
22498318
16
Hexadecimal
4b2e0c4
20
Vigesimal
14cdjac
36
Base36
1axn0k
md5
e22d6f142744a92fec66b56b52993ac6
sha1
8b8f75aa4fe2013cbfa26ce71ab9037766be23b6
sha256
e50c99e14eb734afe8dcb30fe4368f1052b4e4fb323aedab7c406fb981e7ef79
sha512
2d9a2277db7e3bdba01283fc5011c02164fa56a28e0086c5e1af7b055552a83487c2d185d86f2446681ecae7b15993a70fb50309c8bf01c2ada4581ed87e4603
ripemd-160
6e53c10f5d89546ce24fd5d05a0be499de0383bf
Diameter
157663624
Circumference
495314882.89674
Area
1.9523284864659E+16
Volume
2.0520745627643E+24
Surface area
7.8093139458636E+16
Circumference
495314882.89674
Perimeter
315327248
Area
6214454583203344
Diagonal
111485017.67685
Surface area
37286727499220064
Volume
4.8989671538562E+23
Space diagonal
136540703.63672
Perimeter
236495436
Area
2.6909377698594E+15
Altitude
68270351.818359
Surface area
2.6909377698594E+15
Volume
5.7734881588365E+22
Height
37161672.558949