78163986 is an even 8-digits composite number following 78163985
and preceding 78163987 . In scientific notation, it is written as 7.8163986 × 10^7.
The sum of its digits is 48. It has a total of 4 prime factors and 16 positive divisors.
There are 24683328 positive integers (up to 78163986) that are relatively prime to 78163986.
78163986 has 16 divisors, whose sum is 164556000
The reverse of 78163986 is 68936187
Previous prime number is 19
Is Prime? no
Number parity even
Number length 8
Sum of Digits 48
Digital Root 3
Name
seventy-eight million one hundred sixty-three thousand nine hundred eighty-six
Scientific notation
7.8163986 × 10^7
Engineering notation
7.8163986 × 10^6
Prime Factorization
2 × 3 × 19 × 685649
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
78163986
Product of the distinct prime numbers
The prime factorization of 78163986 is 2 × 3 × 19 × 685649.
Since it has a total of 4 prime factors.
5 , 10 , 4 , 96 , 311 , 972 , 7685 , 3368 , 33720 , 52849 , 955683 , 720508 , 2431370 , 4508561 , 32709407 , 21411848 , 822522563 , 848658626 , 171492366 , 9626150653
n×2
156327972
n×3
234491958
n×4
312655944
n×5
390819930
n÷2
39081993
n÷3
26054662
n÷3
19540996.5
n÷5
15632797.2
n2
6109608707408196
n3
4.7755136947133E+23
n4
3.7327318557638E+31
n5
2.9176520051568E+39
2 √n
8841.0398709654
3 √n
427.56508430783
4 √n
94.026804002717
5 √n
37.896695278561
1 , 2 , 3 , 6 , 19 , 38 , 57 , 114 , 685649 , 1371298 , 2056947 , 4113894 , 13027331 , 26054662 , 39081993 , 78163986
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
-78163985
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 78163986 can be divided by 16 positive divisors.
The sum of these divisors (counting 78163986) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100101010001011000000010010
3
Ternary
12110002010211110
4
Quaternary
10222023000102
5
Quinary
130002221421
6
Senary
11431154150
8
Octal
452130022
10
Decimal
78163986
12
Duodecimal
22215956
16
Hexadecimal
4a8b012
20
Vigesimal
148a9j6
36
Base36
1ajbpu
md5
4bf8629a58bfd34c3e64cc97de1d8036
sha1
e3939982ee434e07d5affe26c36e720a3e02f470
sha256
e4a65874412f4a04ff9726a07e4d6a83784da3a3c2b5fe856cc7351f05bcd65f
sha512
07c621df8c0acf08827fe66450dbdf1248bb85b8483146e758c80125df9b81c0e6340c117ceba5a4902e34247af5ec6bc8b145abee9edbaa4a87907abad741a5
ripemd-160
ccbd45de688016259378609b78bdcbf703f285f9
Diameter
156327972
Circumference
491118808.38579
Area
1.9193901831502E+16
Volume
2.0003624987238E+24
Surface area
7.6775607326007E+16
Circumference
491118808.38579
Perimeter
312655944
Area
6109608707408196
Diagonal
110540569.09034
Surface area
36657652244449176
Volume
4.7755136947133E+23
Space diagonal
135383995.0741
Perimeter
234491958
Area
2.6455381738991E+15
Altitude
67691997.537051
Surface area
2.6455381738991E+15
Volume
5.6279968619684E+22
Height
36846856.363447