78897393 is an odd 8-digits composite number following 78897392
and preceding 78897394 . In scientific notation, it is written as 7.8897393 × 10^7.
The sum of its digits is 54. It has a total of 3 prime factors and 8 positive divisors.
There are 51964056 positive integers (up to 78897393) that are relatively prime to 78897393.
78897393 has 8 divisors, whose sum is 88720800
The reverse of 78897393 is 39379887
Previous prime number is 83
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 54
Digital Root 9
Name
seventy-eight million eight hundred ninety-seven thousand three hundred ninety-three
Scientific notation
7.8897393 × 10^7
Engineering notation
7.8897393 × 10^6
Prime Factorization
9 × 83 × 105619
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
78897393
Product of the distinct prime numbers
The prime factorization of 78897393 is 9 × 83 × 105619.
Since it has a total of 3 prime factors.
7 , 5 , 39 , 29 , 818 , 843 , 7557 , 9910 , 26397 , 44818 , 156956 , 350142 , 9921515 , 6991260 , 90475849 , 11661438 , 852067103 , 162031745 , 9342995531 , 9585176573
n×2
157794786
n×3
236692179
n×4
315589572
n×5
394486965
n÷2
39448696.5
n÷3
26299131
n÷3
19724348.25
n÷5
15779478.6
n2
6224798622196449
n3
4.9112038324129E+23
n4
3.8748117886899E+31
n5
3.057125484933E+39
2 √n
8882.4204471529
3 √n
428.89819417419
4 √n
94.246593822551
5 √n
37.967546246977
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-78897392
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 78897393 can be divided by 8 positive divisors.
The sum of these divisors (counting 78897393) is 1, the average is 0.125.
Base
System
Value
2
Binary
100101100111110000011110001
3
Ternary
12111110101212200
4
Quaternary
10230332003301
5
Quinary
130144204033
6
Senary
11455013413
8
Octal
454760361
10
Decimal
78897393
12
Duodecimal
2250a269
16
Hexadecimal
4b3e0f1
20
Vigesimal
14d239d
36
Base36
1az1m9
md5
dfeade3b2713d57ce13df595ac53adf6
sha1
5a69b93918272dd2fb56b5a012aa8717ca645a9a
sha256
88af30fdacbc3e29d40d45ad0cffbeaae2a19c191aa01b2021ed32a6d15c3d34
sha512
9fe52fb2bbf540c4091371a1133e999fda36d87a39244cf832a80a2ce37f59dcbe068cabc1fa32f065e26f5747d9f5194da8e2ec0e9fede575983b4d0c04ed7f
ripemd-160
ba6c7da1a7effc8867e5fd8c4c64f6f216c345e1
Diameter
157794786
Circumference
495726940.47237
Area
1.9555781621568E+16
Volume
2.0572002506921E+24
Surface area
7.8223126486273E+16
Circumference
495726940.47237
Perimeter
315589572
Area
6224798622196449
Diagonal
111577763.21648
Surface area
37348791733178694
Volume
4.9112038324129E+23
Space diagonal
136654293.26073
Perimeter
236692179
Area
2.6954168701322E+15
Altitude
68327146.630365
Surface area
2.6954168701322E+15
Volume
5.7879092228142E+22
Height
37192587.738827