78869438 is an even 8-digits composite number following 78869437
and preceding 78869439 . In scientific notation, it is written as 7.8869438 × 10^7.
The sum of its digits is 53. It has a total of 4 prime factors and 16 positive divisors.
There are 37660920 positive integers (up to 78869438) that are relatively prime to 78869438.
78869438 has 16 divisors, whose sum is 123641856
The reverse of 78869438 is 83496887
Previous prime number is 1031
Is Prime? no
Number parity even
Number length 8
Sum of Digits 53
Digital Root 8
Name
seventy-eight million eight hundred sixty-nine thousand four hundred thirty-eight
Scientific notation
7.8869438 × 10^7
Engineering notation
7.8869438 × 10^6
Prime Factorization
2 × 23 × 1031 × 1663
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
78869438
Product of the distinct prime numbers
The prime factorization of 78869438 is 2 × 23 × 1031 × 1663.
Since it has a total of 4 prime factors.
1 , 1 , 22 , 41 , 8 , 433 , 2842 , 2846 , 67081 , 23447 , 54531 , 829335 , 2898600 , 5379638 , 17573827 , 41398227 , 773277113 , 914791573 , 850744981 , 539042492
n×2
157738876
n×3
236608314
n×4
315477752
n×5
394347190
n÷2
39434719
n÷3
26289812.666667
n÷3
19717359.5
n÷5
15773887.6
n2
6220388250435844
n3
4.9059852545368E+23
n4
3.869322998616E+31
n5
3.0517133034132E+39
2 √n
8880.8466938688
3 √n
428.84753231696
4 √n
94.238244327177
5 √n
37.964855326086
1 , 2 , 23 , 46 , 1031 , 1663 , 2062 , 3326 , 23713 , 38249 , 47426 , 76498 , 1714553 , 3429106 , 39434719 , 78869438
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
-78869437
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 78869438 can be divided by 16 positive divisors.
The sum of these divisors (counting 78869438) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100101100110111001110111110
3
Ternary
12111101222112022
4
Quaternary
10230313032332
5
Quinary
130142310223
6
Senary
11454240142
8
Octal
454671676
10
Decimal
78869438
12
Duodecimal
224b6052
16
Hexadecimal
4b373be
20
Vigesimal
14cidbi
36
Base36
1ayg1q
md5
fa471e5bb46f8625c82bb3e858e17496
sha1
a6e50c624126b24cab849c8bd945b548470d91a8
sha256
2ba9d31d9985b124ffa8e68c7e2c535772f071c2e86ff171662c93f80e34ce87
sha512
42cb28f7d9b43bcd4015f14e6b18006f9a5d14674a98b2d10a498f78ce0fd7b1938b43a3464f21fe6dec323200d6cb2155b72ff7d01dbc6b0d73598963f93f36
ripemd-160
2871066f3d4d1e957e16c785f0b2e15bdcc231a8
Diameter
157738876
Circumference
495551294.02711
Area
1.9541926030046E+16
Volume
2.055014297903E+24
Surface area
7.8167704120182E+16
Circumference
495551294.02711
Perimeter
315477752
Area
6220388250435844
Diagonal
111538228.87634
Surface area
37322329502615064
Volume
4.9059852545368E+23
Space diagonal
136605873.7804
Perimeter
236608314
Area
2.6935071231398E+15
Altitude
68302936.890202
Surface area
2.6935071231398E+15
Volume
5.7817590698069E+22
Height
37179409.625448