78668775 is an odd 8-digits composite number following 78668774
and preceding 78668776 . In scientific notation, it is written as 7.8668775 × 10^7.
The sum of its digits is 54. It has a total of 4 prime factors and 16 positive divisors.
There are 38937600 positive integers (up to 78668775) that are relatively prime to 78668775.
78668775 has 16 divisors, whose sum is 84842208
The reverse of 78668775 is 57786687
Previous prime number is 131
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 54
Digital Root 9
Name
seventy-eight million six hundred sixty-eight thousand seven hundred seventy-five
Scientific notation
7.8668775 × 10^7
Engineering notation
7.8668775 × 10^6
Prime Factorization
225 × 17 × 131 × 157
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
78668775
Product of the distinct prime numbers
The prime factorization of 78668775 is 225 × 17 × 131 × 157.
Since it has a total of 4 prime factors.
7 , 1 , 45 , 20 , 912 , 675 , 4084 , 9946 , 71325 , 23279 , 621410 , 345116 , 6821132 , 2398457 , 90043848 , 95051024 , 961913468 , 78103839 , 902529831 , 1830546675
n×2
157337550
n×3
236006325
n×4
314675100
n×5
393343875
n÷2
39334387.5
n÷3
26222925
n÷3
19667193.75
n÷5
15733755
n2
6188776160000625
n3
4.8686343925645E+23
n4
3.8300950358592E+31
n5
3.0130888460462E+39
2 √n
8869.5419836652
3 √n
428.48352601951
4 √n
94.178245809025
5 √n
37.945517273793
1 , 17 , 131 , 157 , 225 , 2227 , 2669 , 3825 , 20567 , 29475 , 35325 , 349639 , 501075 , 600525 , 4627575 , 78668775
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
-78668774
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 78668775 can be divided by 16 positive divisors.
The sum of these divisors (counting 78668775) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100101100000110001111100111
3
Ternary
12111000210021100
4
Quaternary
10230012033213
5
Quinary
130114400100
6
Senary
11450051143
8
Octal
454061747
10
Decimal
78668775
12
Duodecimal
22419ab3
16
Hexadecimal
4b063e7
20
Vigesimal
14bdbif
36
Base36
1au57r
md5
8747300f8f53fb4c59190cae9e746c94
sha1
43767e872d6a683a6db55e8828d139e7672bd123
sha256
84640469a716ed0c581ffa8d2901b5d421c9f54c0702a829ed6b6032742b8752
sha512
2d3879c34a6c42b9d086f352f5d75bf66345437e8500d6b504d6e8691caab18c35fb3e9de6e1ace09ca599872ca80d2a174fc9f4cef6b30b7ff0b0e26d027dcc
ripemd-160
995d650c4be7c2d1a2a0a3a7736e2e25497736b0
Diameter
157337550
Circumference
494290491.21382
Area
1.944261371897E+16
Volume
2.039368805426E+24
Surface area
7.7770454875878E+16
Circumference
494290491.21382
Perimeter
314675100
Area
6188776160000625
Diagonal
111254448.54028
Surface area
37132656960003750
Volume
4.8686343925645E+23
Space diagonal
136258315.2692
Perimeter
236006325
Area
2.679818686448E+15
Altitude
68129157.634602
Surface area
2.679818686448E+15
Volume
5.737740656834E+22
Height
37084816.180092