68171818 is an even 8-digits composite number following 68171817
and preceding 68171819 . In scientific notation, it is written as 6.8171818 × 10^7.
The sum of its digits is 40. It has a total of 3 prime factors and 8 positive divisors.
There are 28603440 positive integers (up to 68171818) that are relatively prime to 68171818.
68171818 has 8 divisors, whose sum is 102973248
The reverse of 68171818 is 81817186
Previous prime number is 143
Is Prime? no
Number parity even
Number length 8
Sum of Digits 40
Digital Root 4
Name
sixty-eight million one hundred seventy-one thousand eight hundred eighteen
Scientific notation
6.8171818 × 10^7
Engineering notation
6.8171818 × 10^6
Prime Factorization
2 × 143 × 238363
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
68171818
Product of the distinct prime numbers
The prime factorization of 68171818 is 2 × 143 × 238363.
Since it has a total of 3 prime factors.
4 , 8 , 54 , 97 , 205 , 963 , 4155 , 3831 , 83675 , 95884 , 932535 , 255452 , 2127394 , 1208692 , 13788942 , 14126844 , 89695580 , 372088428 , 703654747 , 5499104515
n×2
136343636
n×3
204515454
n×4
272687272
n×5
340859090
n÷2
34085909
n÷3
22723939.333333
n÷3
17042954.5
n÷5
13634363.6
n2
4647396769425124
n3
3.1682148673904E+23
n4
2.1598296732463E+31
n5
1.4723951539555E+39
2 √n
8256.622675162
3 √n
408.5089964545
4 √n
90.865959936392
5 √n
36.874061456951
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
-68171817
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 68171818 can be divided by 8 positive divisors.
The sum of these divisors (counting 68171818) is 1, the average is 0.125.
Base
System
Value
2
Binary
100000100000011100000101010
3
Ternary
11202021111011011
4
Quaternary
10010003200222
5
Quinary
114422444233
6
Senary
10433054134
8
Octal
404034052
10
Decimal
68171818
12
Duodecimal
1a9b734a
16
Hexadecimal
410382a
20
Vigesimal
11619ai
36
Base36
14l5pm
md5
ca45266e6d0f22e3f64e811d9920dfc7
sha1
2ebaa399ae4034cf493a3de6efe1777419a54226
sha256
e4bd56412d84e802edb247da216b17918313ee7ee86b629277ae6f3696715c68
sha512
08a96f91aa3de93817c6167e70dcc6900ae96f6e64e3f5a18019ddbcc965d9bb99e5034e0cb6e716c32294a9df324698b2c42c8fcd0c2549a85ff93b3c54e020
ripemd-160
06b523fec334681752039c0637b735c263306072
Diameter
136343636
Circumference
428336165.22132
Area
1.4600227549143E+16
Volume
1.3270987403183E+24
Surface area
5.8400910196572E+16
Circumference
428336165.22132
Perimeter
272687272
Area
4647396769425124
Diagonal
96409509.58723
Surface area
27884380616550744
Volume
3.1682148673904E+23
Space diagonal
118077052.42034
Perimeter
204515454
Area
2.0123818318939E+15
Altitude
59038526.210169
Surface area
2.0123818318939E+15
Volume
3.733777028313E+22
Height
32136503.195743