78839242 is an even 8-digits composite number following 78839241
and preceding 78839243 . In scientific notation, it is written as 7.8839242 × 10^7.
The sum of its digits is 43. It has a total of 2 prime factors and 4 positive divisors.
There are 39419620 positive integers (up to 78839242) that are relatively prime to 78839242.
78839242 has 4 divisors, whose sum is 118258866
The reverse of 78839242 is 24293887
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 43
Digital Root 7
Name
seventy-eight million eight hundred thirty-nine thousand two hundred forty-two
Scientific notation
7.8839242 × 10^7
Engineering notation
7.8839242 × 10^6
Prime Factorization
2 × 39419621
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
78839242
Product of the distinct prime numbers
The prime factorization of 78839242 is 2 × 39419621.
Since it has a total of 2 prime factors.
1 , 8 , 82 , 58 , 535 , 10 , 4669 , 7556 , 77452 , 28743 , 746632 , 373815 , 3276613 , 6398145 , 25065882 , 6932550 , 153935575 , 958063908 , 9317381521 , 9816092804
n×2
157678484
n×3
236517726
n×4
315356968
n×5
394196210
n÷2
39419621
n÷3
26279747.333333
n÷3
19709810.5
n÷5
15767848.4
n2
6215626079134564
n3
4.900352486344E+23
n4
3.8634007555618E+31
n5
3.0458758711072E+39
2 √n
8879.1464679889
3 √n
428.79279572367
4 √n
94.229223004272
5 √n
37.961947831362
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
-78839241
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 78839242 can be divided by 4 positive divisors.
The sum of these divisors (counting 78839242) is 1, the average is 0.25.
Base
System
Value
2
Binary
100101100101111110111001010
3
Ternary
12111100110002221
4
Quaternary
10230233313022
5
Quinary
130140323432
6
Senary
11453444254
8
Octal
454576712
10
Decimal
78839242
12
Duodecimal
224a068a
16
Hexadecimal
4b2fdca
20
Vigesimal
14cei22
36
Base36
1axsqy
md5
5d1fe3ecbdb42265fc7f0c885e751bf4
sha1
b183f8c16f0aed1fb34da71f31cfc4c394730ec0
sha256
87eb8b3cd446f94a3577c34f38fc01b075ba6e74aa49972a5e2e839260e1a638
sha512
34510633498dcca8738979aba25c32f935b743d7a17a633e44a31b75f1b2d427cccec2f7913305137af6e3efc8abca4ec9f657fd4ee1c128ba1ec71ed93ce1c2
ripemd-160
52321116ae6ede88504cbcae9e960beb4374b145
Diameter
157678484
Circumference
495361566.96358
Area
1.952696522767E+16
Volume
2.0526548494798E+24
Surface area
7.8107860910681E+16
Circumference
495361566.96358
Perimeter
315356968
Area
6215626079134564
Diagonal
111495525.28361
Surface area
37293756474807384
Volume
4.900352486344E+23
Space diagonal
136553572.77422
Perimeter
236517726
Area
2.6914450424778E+15
Altitude
68276786.387109
Surface area
2.6914450424778E+15
Volume
5.7751207888303E+22
Height
37165175.094538