66804561 is an odd 8-digits composite number following 66804560
and preceding 66804562 . In scientific notation, it is written as 6.6804561 × 10^7.
The sum of its digits is 36. It has a total of 4 prime factors and 16 positive divisors.
There are 43870464 positive integers (up to 66804561) that are relatively prime to 66804561.
66804561 has 16 divisors, whose sum is 100449600
The reverse of 66804561 is 16540866
Previous prime number is 67
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 36
Digital Root 9
Name
sixty-six million eight hundred four thousand five hundred sixty-one
Scientific notation
6.6804561 × 10^7
Engineering notation
6.6804561 × 10^6
Prime Factorization
3 × 9 × 67 × 36929
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
66804561
Product of the distinct prime numbers
The prime factorization of 66804561 is 3 × 9 × 67 × 36929.
Since it has a total of 4 prime factors.
9 , 3 , 22 , 91 , 242 , 591 , 6207 , 208 , 85926 , 71910 , 695487 , 350615 , 1200634 , 3678697 , 98372943 , 81350861 , 428893468 , 672032782 , 1877506159 , 621199108
n×2
133609122
n×3
200413683
n×4
267218244
n×5
334022805
n÷2
33402280.5
n÷3
22268187
n÷3
16701140.25
n÷5
13360912.2
n2
4462849370402721
n3
2.9813869299888E+23
n4
1.9917024502904E+31
n5
1.3305480783427E+39
2 √n
8173.4057161015
3 √n
405.75950756898
4 √n
90.406889760136
5 √n
36.724950820259
1 , 3 , 9 , 27 , 67 , 201 , 603 , 1809 , 36929 , 110787 , 332361 , 997083 , 2474243 , 7422729 , 22268187 , 66804561
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
-66804560
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 66804561 can be divided by 16 positive divisors.
The sum of these divisors (counting 66804561) is 1, the average is 0.0625.
Base
System
Value
2
Binary
11111110110101101101010001
3
Ternary
11122201000122000
4
Quaternary
3332311231101
5
Quinary
114100221221
6
Senary
10343504213
8
Octal
376655521
10
Decimal
66804561
12
Duodecimal
1a458069
16
Hexadecimal
3fb5b51
20
Vigesimal
10hab81
36
Base36
13ruq9
md5
f513bf3464c2c84f527e91d3b061f62f
sha1
80124e8898718b4ad2b7c2edb030a3f7b7e8e856
sha256
183800aebfc854dad12d403c6b976b9eadebc279a76b92dfb568bc0b2dab5361
sha512
440c4c055a608948ee44752538e4d7feb157f0553ded2ec90d0f41c7841b47d698bbabddf9d080d3393236b1387377050463738c07ca4262cd1f354b4cf676d6
ripemd-160
691480701308b926a145b628ab873d5293153fda
Diameter
133609122
Circumference
419745436.12778
Area
1.4020454796135E+16
Volume
1.2488404369015E+24
Surface area
5.608181918454E+16
Circumference
419745436.12778
Perimeter
267218244
Area
4462849370402721
Diagonal
94475916.194581
Surface area
26777096222416326
Volume
2.9813869299888E+23
Space diagonal
115708893.82933
Perimeter
200413683
Area
1.9324704640161E+15
Altitude
57854446.914667
Surface area
1.9324704640161E+15
Volume
3.51359819256E+22
Height
31491972.06486