68179985 is an odd 8-digits composite number following 68179984
and preceding 68179986 . In scientific notation, it is written as 6.8179985 × 10^7.
The sum of its digits is 53. It has a total of 3 prime factors and 8 positive divisors.
There are 54241920 positive integers (up to 68179985) that are relatively prime to 68179985.
68179985 has 8 divisors, whose sum is 82269096
The reverse of 68179985 is 58997186
Previous prime number is 181
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 53
Digital Root 8
Name
sixty-eight million one hundred seventy-nine thousand nine hundred eighty-five
Scientific notation
6.8179985 × 10^7
Engineering notation
6.8179985 × 10^6
Prime Factorization
5 × 181 × 75337
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
68179985
Product of the distinct prime numbers
The prime factorization of 68179985 is 5 × 181 × 75337.
Since it has a total of 3 prime factors.
4 , 3 , 47 , 5 , 382 , 661 , 5567 , 5073 , 36390 , 14193 , 280119 , 20994 , 3687526 , 8758832 , 76707109 , 58899161 , 258613586 , 529434089 , 7878645835 , 3720671316
n×2
136359970
n×3
204539955
n×4
272719940
n×5
340899925
n÷2
34089992.5
n÷3
22726661.666667
n÷3
17044996.25
n÷5
13635997
n2
4648510354600225
n3
3.1693536624899E+23
n4
2.1608648516826E+31
n5
1.4732773317474E+39
2 √n
8257.1172330299
3 √n
408.52530896139
4 √n
90.868681255039
5 √n
36.874944918882
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
-68179984
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 68179985 can be divided by 8 positive divisors.
The sum of these divisors (counting 68179985) is 1, the average is 0.125.
Base
System
Value
2
Binary
100000100000101100000010001
3
Ternary
11202021220100122
4
Quaternary
10010011200101
5
Quinary
114423224420
6
Senary
10433200025
8
Octal
404054021
10
Decimal
68179985
12
Duodecimal
1aa00015
16
Hexadecimal
4105811
20
Vigesimal
11629j5
36
Base36
14lc0h
md5
4c532547e96133eaf5034ab8000ab1ae
sha1
5a9835aef0d2bb25f08809204c85ab685f02f2f7
sha256
08796cd2463967686a192d8bcef4d6b5ba56b1724ed367f24aad198b9c9c8923
sha512
dd161ba925ba263a19386931d7d0a76266ada3467d0fac2cbff5f5d2646c8f1c1002f96593a035122dc3ea8e501b030db62a90c163154eb3e440167abb8d8507
ripemd-160
a64da4f8d397f86e4fd7f3a16f76955c7eec6108
Diameter
136359970
Circumference
428387479.99572
Area
1.4603725980148E+16
Volume
1.3275757576941E+24
Surface area
5.8414903920593E+16
Circumference
428387479.99572
Perimeter
272719940
Area
4648510354600225
Diagonal
96421059.469394
Surface area
27891062127601350
Volume
3.1693536624899E+23
Space diagonal
118091198.07928
Perimeter
204539955
Area
2.0128640284194E+15
Altitude
59045599.039642
Surface area
2.0128640284194E+15
Volume
3.7351191112084E+22
Height
32140353.156465