66872018 is an even 8-digits composite number following 66872017
and preceding 66872019 . In scientific notation, it is written as 6.6872018 × 10^7.
The sum of its digits is 38. It has a total of 2 prime factors and 4 positive divisors.
There are 33436008 positive integers (up to 66872018) that are relatively prime to 66872018.
66872018 has 4 divisors, whose sum is 100308030
The reverse of 66872018 is 81027866
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 38
Digital Root 2
Name
sixty-six million eight hundred seventy-two thousand eighteen
Scientific notation
6.6872018 × 10^7
Engineering notation
6.6872018 × 10^6
Prime Factorization
2 × 33436009
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
66872018
Product of the distinct prime numbers
The prime factorization of 66872018 is 2 × 33436009.
Since it has a total of 2 prime factors.
8 , 2 , 100 , 66 , 219 , 250 , 1417 , 2983 , 47058 , 47667 , 71407 , 428840 , 8648482 , 3969109 , 13873537 , 45999421 , 583811836 , 800186283 , 7392157661 , 8438138929
n×2
133744036
n×3
200616054
n×4
267488072
n×5
334360090
n÷2
33436009
n÷3
22290672.666667
n÷3
16718004.5
n÷5
13374403.6
n2
4471866791392324
n3
2.9904275656759E+23
n4
1.9997592599957E+31
n5
1.337279372301E+39
2 √n
8177.5312900655
3 √n
405.89603572902
4 √n
90.429703582758
5 √n
36.732364550568
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-66872017
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 66872018 can be divided by 4 positive divisors.
The sum of these divisors (counting 66872018) is 1, the average is 0.25.
Base
System
Value
2
Binary
11111111000110001011010010
3
Ternary
11122211110011102
4
Quaternary
3333012023102
5
Quinary
114104401033
6
Senary
10345144402
8
Octal
377061322
10
Decimal
66872018
12
Duodecimal
1a48b102
16
Hexadecimal
3fc62d2
20
Vigesimal
10hj00i
36
Base36
13tas2
md5
633a9f86acfb7496006b6d39eb8b8afe
sha1
1bc217ffe96297c8620987e4caad17921441a695
sha256
33497f1649e59f86096cd64438ff27b967301df3bc8ff5667d783d953c20e30a
sha512
8f158dbe18bb7505ab12e236efb6de863a55dd48a47fb02e819f3da9e13ba4300d63a978ab0c35e2135df8a28611e78ab94a59ed6fbe743d14c9aac26a0766a1
ripemd-160
bc27b279eef5d6d3857e6626190d673276036bb3
Diameter
133744036
Circumference
420169280.95905
Area
1.404878385967E+16
Volume
1.2526273695226E+24
Surface area
5.6195135438681E+16
Circumference
420169280.95905
Perimeter
267488072
Area
4471866791392324
Diagonal
94571314.798858
Surface area
26831200748353944
Volume
2.9904275656759E+23
Space diagonal
115825732.78066
Perimeter
200616054
Area
1.9363751218429E+15
Altitude
57912866.39033
Surface area
1.9363751218429E+15
Volume
3.5242526838943E+22
Height
31523771.599619