78831486 is an even 8-digits composite number following 78831485
and preceding 78831487 . In scientific notation, it is written as 7.8831486 × 10^7.
The sum of its digits is 45. It has a total of 4 prime factors and 16 positive divisors.
There are 26252016 positive integers (up to 78831486) that are relatively prime to 78831486.
78831486 has 16 divisors, whose sum is 131511600
The reverse of 78831486 is 68413887
Previous prime number is 2213
Is Prime? no
Number parity even
Number length 8
Sum of Digits 45
Digital Root 9
Name
seventy-eight million eight hundred thirty-one thousand four hundred eighty-six
Scientific notation
7.8831486 × 10^7
Engineering notation
7.8831486 × 10^6
Prime Factorization
2 × 9 × 2213 × 1979
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
78831486
Product of the distinct prime numbers
The prime factorization of 78831486 is 2 × 9 × 2213 × 1979.
Since it has a total of 4 prime factors.
8 , 3 , 79 , 77 , 671 , 333 , 7765 , 3048 , 56329 , 65744 , 99793 , 760689 , 7895191 , 614542 , 3853217 , 64740719 , 185098241 , 302267539 , 1758255809 , 6733709164
n×2
157662972
n×3
236494458
n×4
315325944
n×5
394157430
n÷2
39415743
n÷3
26277162
n÷3
19707871.5
n÷5
15766297.2
n2
6214403184968196
n3
4.8989063767418E+23
n4
3.8618806945343E+31
n5
3.0443779390485E+39
2 √n
8878.7097035549
3 √n
428.77873408844
4 √n
94.226905412175
5 √n
37.961200882389
1 , 2 , 9 , 18 , 1979 , 2213 , 3958 , 4426 , 17811 , 19917 , 35622 , 39834 , 4379527 , 8759054 , 39415743 , 78831486
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
-78831485
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 78831486 can be divided by 16 positive divisors.
The sum of these divisors (counting 78831486) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100101100101101111101111110
3
Ternary
12111100001110200
4
Quaternary
10230231331332
5
Quinary
130140101421
6
Senary
11453344330
8
Octal
454557576
10
Decimal
78831486
12
Duodecimal
224980a6
16
Hexadecimal
4b2df7e
20
Vigesimal
14cdie6
36
Base36
1axmri
md5
e36e1c6a6e6f58bb8f0b5b7c4509c99e
sha1
6a6f6799b36e408de3fc729eece956e493e8202c
sha256
03ae7e43a4ffe02c5790fdb1ef1cc46b748ad9c120fa6238ad47b6b72bf32e22
sha512
920abe21a404cfac95e1deb9c45503ffafee7bf46c4fd4806771975d155a38b46d92749cbfa92824be7e38a43c8052feeb068a8e6fe15bb83244129246c54a7c
ripemd-160
9cf0f2e93ac723be7553f59529ffa6d03194bf25
Diameter
157662972
Circumference
495312834.57833
Area
1.9523123392341E+16
Volume
2.0520491045061E+24
Surface area
7.8092493569364E+16
Circumference
495312834.57833
Perimeter
315325944
Area
6214403184968196
Diagonal
111484556.64322
Surface area
37286419109809176
Volume
4.8989063767418E+23
Space diagonal
136540138.98815
Perimeter
236494458
Area
2.6909155137707E+15
Altitude
68270069.494077
Surface area
2.6909155137707E+15
Volume
5.7734165323202E+22
Height
37161518.881075