66811418 is an even 8-digits composite number following 66811417
and preceding 66811419 . In scientific notation, it is written as 6.6811418 × 10^7.
The sum of its digits is 35. It has a total of 5 prime factors and 32 positive divisors.
There are 31026240 positive integers (up to 66811418) that are relatively prime to 66811418.
66811418 has 32 divisors, whose sum is 107688960
The reverse of 66811418 is 81411866
Previous prime number is 191
Is Prime? no
Number parity even
Number length 8
Sum of Digits 35
Digital Root 8
Name
sixty-six million eight hundred eleven thousand four hundred eighteen
Scientific notation
6.6811418 × 10^7
Engineering notation
6.6811418 × 10^6
Prime Factorization
2 × 37 × 29 × 191 × 163
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
66811418
Product of the distinct prime numbers
The prime factorization of 66811418 is 2 × 37 × 29 × 191 × 163.
Since it has a total of 5 prime factors.
3 , 2 , 3 , 4 , 439 , 188 , 5757 , 7962 , 63124 , 21688 , 43511 , 621141 , 7978261 , 6300800 , 81658163 , 98652541 , 238240153 , 906460693 , 6266814371 , 7498757535
n×2
133622836
n×3
200434254
n×4
267245672
n×5
334057090
n÷2
33405709
n÷3
22270472.666667
n÷3
16702854.5
n÷5
13362283.6
n2
4463765575170724
n3
2.9823050769674E+23
n4
1.9925203110079E+31
n5
1.3312310737224E+39
2 √n
8173.8251755222
3 √n
405.77338984344
4 √n
90.409209572489
5 √n
36.725704698873
1 , 2 , 29 , 37 , 58 , 74 , 163 , 191 , 326 , 382 , 1073 , 2146 , 4727 , 5539 , 6031 , 7067 , 9454 , 11078 , 12062 , 14134 , 31133 , 62266 , 174899 , 204943 , 349798 , 409886 , 902857 , 1151921 , 1805714 , 2303842 , 33405709 , 66811418
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-66811417
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 66811418 can be divided by 32 positive divisors.
The sum of these divisors (counting 66811418) is 1, the average is 0.03125.
Base
System
Value
2
Binary
11111110110111011000011010
3
Ternary
11122201101000222
4
Quaternary
3332313120122
5
Quinary
114100431133
6
Senary
10344000042
8
Octal
376673032
10
Decimal
66811418
12
Duodecimal
1a460022
16
Hexadecimal
3fb761a
20
Vigesimal
10hb8ai
36
Base36
13s00q
md5
a9e4069e83aab1cee67d1b68eb38fbdc
sha1
4e6296903f8b3e6805203c1d2779fc4f5a08933b
sha256
aa8e65a77ed60a132dfb0e01b240ac96865a08bdef5f73efe54781d2238d0b00
sha512
54aee251c5b64e08fc2ab366ce66a2f4530274c8ecfa0a05ece79ea93f3a100d15257f7c76e79fa056e451449ba27a3343a137389056c38d870dd8228cb2fae4
ripemd-160
cd423934050dad295f89de54bfc420bb10cd4ee3
Diameter
133622836
Circumference
419788519.92943
Area
1.4023333138303E+16
Volume
1.2492250294086E+24
Surface area
5.6093332553213E+16
Circumference
419788519.92943
Perimeter
267245672
Area
4463765575170724
Diagonal
94485613.456978
Surface area
26782593451024344
Volume
2.9823050769674E+23
Space diagonal
115720770.50172
Perimeter
200434254
Area
1.9328671923182E+15
Altitude
57860385.250861
Surface area
1.9328671923182E+15
Volume
3.5146802391512E+22
Height
31495204.485659