78668746 is an even 8-digits composite number following 78668745
and preceding 78668747 . In scientific notation, it is written as 7.8668746 × 10^7.
The sum of its digits is 52. It has a total of 4 prime factors and 16 positive divisors.
There are 35933184 positive integers (up to 78668746) that are relatively prime to 78668746.
78668746 has 16 divisors, whose sum is 128394504
The reverse of 78668746 is 64786687
Previous prime number is 97
Is Prime? no
Number parity even
Number length 8
Sum of Digits 52
Digital Root 7
Name
seventy-eight million six hundred sixty-eight thousand seven hundred forty-six
Scientific notation
7.8668746 × 10^7
Engineering notation
7.8668746 × 10^6
Prime Factorization
2 × 13 × 97 × 31193
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
78668746
Product of the distinct prime numbers
The prime factorization of 78668746 is 2 × 13 × 97 × 31193.
Since it has a total of 4 prime factors.
7 , 2 , 24 , 96 , 184 , 834 , 8744 , 1220 , 80453 , 37325 , 860270 , 756087 , 8663987 , 8363606 , 43157139 , 58683396 , 522506063 , 233180594 , 1398154739 , 5899314510
n×2
157337492
n×3
236006238
n×4
314674984
n×5
393343730
n÷2
39334373
n÷3
26222915.333333
n÷3
19667186.5
n÷5
15733749.2
n2
6188771597212516
n3
4.8686290083313E+23
n4
3.8300893882464E+31
n5
3.0130832924125E+39
2 √n
8869.5403488569
3 √n
428.48347336828
4 √n
94.178237129694
5 √n
37.94551447619
1 , 2 , 13 , 26 , 97 , 194 , 1261 , 2522 , 31193 , 62386 , 405509 , 811018 , 3025721 , 6051442 , 39334373 , 78668746
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
-78668745
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 78668746 can be divided by 16 positive divisors.
The sum of these divisors (counting 78668746) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100101100000110001111001010
3
Ternary
12111000210020021
4
Quaternary
10230012033022
5
Quinary
130114344441
6
Senary
11450051054
8
Octal
454061712
10
Decimal
78668746
12
Duodecimal
22419a8a
16
Hexadecimal
4b063ca
20
Vigesimal
14bdbh6
36
Base36
1au56y
md5
4b11a72e341074170f9fb8422946844f
sha1
7dfcfc7ce9ec95783972108ca67cb83b84b3b638
sha256
486fbfd6a8ca8293d38de153fd012a8b957f9b278b374efe0f3d969b1bc5380f
sha512
6c0439bea0a18ad78937809a0c77717f23a99c187d647fde5a6102e2e77963df1e6987cefcf4b8f90159382b0b5089f4539386b0aaa6fa6c57833bbe141eb06c
ripemd-160
b4af54c93586a4c140d348d7547f1726101e2f8a
Diameter
157337492
Circumference
494290309.00144
Area
1.9442599384548E+16
Volume
2.0393665500837E+24
Surface area
7.7770397538192E+16
Circumference
494290309.00144
Perimeter
314674984
Area
6188771597212516
Diagonal
111254407.52808
Surface area
37132629583275096
Volume
4.8686290083313E+23
Space diagonal
136258265.03973
Perimeter
236006238
Area
2.6798167107028E+15
Altitude
68129132.519865
Surface area
2.6798167107028E+15
Volume
5.7377343114543E+22
Height
37084802.509361