68173818 is an even 8-digits composite number following 68173817
and preceding 68173819 . In scientific notation, it is written as 6.8173818 × 10^7.
The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors.
There are 22610016 positive integers (up to 68173818) that are relatively prime to 68173818.
68173818 has 16 divisors, whose sum is 137035200
The reverse of 68173818 is 81837186
Previous prime number is 199
Is Prime? no
Number parity even
Number length 8
Sum of Digits 42
Digital Root 6
Name
sixty-eight million one hundred seventy-three thousand eight hundred eighteen
Scientific notation
6.8173818 × 10^7
Engineering notation
6.8173818 × 10^6
Prime Factorization
2 × 3 × 199 × 57097
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
68173818
Product of the distinct prime numbers
The prime factorization of 68173818 is 2 × 3 × 199 × 57097.
Since it has a total of 4 prime factors.
7 , 2 , 33 , 38 , 981 , 261 , 2858 , 4312 , 44539 , 890 , 63208 , 711629 , 4827664 , 4298170 , 85645586 , 78697018 , 450973677 , 819031769 , 150682701 , 9055061682
n×2
136347636
n×3
204521454
n×4
272695272
n×5
340869090
n÷2
34086909
n÷3
22724606
n÷3
17043454.5
n÷5
13634763.6
n2
4647669460697124
n3
3.1684937193772E+23
n4
2.1600831415897E+31
n5
1.472611149596E+39
2 √n
8256.7437891702
3 √n
408.51299131155
4 √n
90.866626377181
5 √n
36.874277813973
1 , 2 , 3 , 6 , 199 , 398 , 597 , 1194 , 57097 , 114194 , 171291 , 342582 , 11362303 , 22724606 , 34086909 , 68173818
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
-68173817
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 68173818 can be divided by 16 positive divisors.
The sum of these divisors (counting 68173818) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100000100000011111111111010
3
Ternary
11202021120220020
4
Quaternary
10010003333322
5
Quinary
114423030233
6
Senary
10433111310
8
Octal
404037772
10
Decimal
68173818
12
Duodecimal
1a9b8536
16
Hexadecimal
4103ffa
20
Vigesimal
1161eai
36
Base36
14l796
md5
f70537ff94819f81e7053a6ed733506c
sha1
1708681a8cc12f7a94e53d4d04619b436bb9b5f4
sha256
8d52f9ac8185039f7a8794ddd3ac29400ee6fd438446780b27bc705c65aef0ba
sha512
92d85e03f8a6cdc56590beb3b9232c365edec7d8ba96fd07b675054159075b8f1096ce625216b7102c045f4ef6f008f004bb6887bec16c0001498a00c03f5258
ripemd-160
fb91470c7de4f88d79bf7effc7464dbd41a9af09
Diameter
136347636
Circumference
428348731.59194
Area
1.460108423404E+16
Volume
1.3272155455655E+24
Surface area
5.8404336936159E+16
Circumference
428348731.59194
Perimeter
272695272
Area
4647669460697124
Diagonal
96412338.014355
Surface area
27886016764182744
Volume
3.1684937193772E+23
Space diagonal
118080516.52195
Perimeter
204521454
Area
2.0124999106784E+15
Altitude
59040258.260977
Surface area
2.0124999106784E+15
Volume
3.7341056585311E+22
Height
32137446.004785