66509739 is an odd 8-digits composite number following 66509738
and preceding 66509740 . In scientific notation, it is written as 6.6509739 × 10^7.
The sum of its digits is 45. It has a total of 2 prime factors and 4 positive divisors.
There are 44339820 positive integers (up to 66509739) that are relatively prime to 66509739.
66509739 has 4 divisors, whose sum is 73899720
The reverse of 66509739 is 93790566
Previous prime number is 9
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 45
Digital Root 9
Name
sixty-six million five hundred nine thousand seven hundred thirty-nine
Scientific notation
6.6509739 × 10^7
Engineering notation
6.6509739 × 10^6
Prime Factorization
9 × 7389971
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
66509739
Product of the distinct prime numbers
The prime factorization of 66509739 is 9 × 7389971.
Since it has a total of 2 prime factors.
7 , 5 , 37 , 67 , 162 , 517 , 4958 , 7106 , 40324 , 30554 , 463044 , 909651 , 9827370 , 6755614 , 87417044 , 49255303 , 710843305 , 801845220 , 4310811351 , 1638644400
n×2
133019478
n×3
199529217
n×4
266038956
n×5
332548695
n÷2
33254869.5
n÷3
22169913
n÷3
16627434.75
n÷5
13301947.8
n2
4423545381848121
n3
2.9420884880137E+23
n4
1.956775374527E+31
n5
1.3014461944142E+39
2 √n
8155.3503296915
3 √n
405.16172781866
4 √n
90.306978300082
5 √n
36.692478523995
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
-66509738
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 66509739 can be divided by 4 positive divisors.
The sum of these divisors (counting 66509739) is 1, the average is 0.25.
Base
System
Value
2
Binary
11111101101101101110101011
3
Ternary
11122011001012200
4
Quaternary
3331231232223
5
Quinary
114011302424
6
Senary
10333311243
8
Octal
375555653
10
Decimal
66509739
12
Duodecimal
1a335523
16
Hexadecimal
3f6dbab
20
Vigesimal
10fde6j
36
Base36
13lj8r
md5
4772f79c31b010520bfe20eb308c38e1
sha1
a66dc7f1ac1dff878174946704e11cf4e3294e39
sha256
8afd1179185b29cdac6d5c24d0c4c204619c74648846843293e372c97ae99d52
sha512
a059b7b8ede42b41b353f3ba6bb357f4f523d7e6c71ce2e7994375b0b3baec540889965d434faed9bf46422a1904e5743a3098ed31db6269af48306999d2a213
ripemd-160
942a8bc943c9fdf0fc152f915ccd3e204df7cadd
Diameter
133019478
Circumference
417893014.86915
Area
1.3896977674435E+16
Volume
1.2323791440207E+24
Surface area
5.558791069774E+16
Circumference
417893014.86915
Perimeter
266038956
Area
4423545381848121
Diagonal
94058974.923695
Surface area
26541272291088726
Volume
2.9420884880137E+23
Space diagonal
115198247.14615
Perimeter
199529217
Area
1.9154513377369E+15
Altitude
57599123.573073
Surface area
1.9154513377369E+15
Volume
3.4672845345423E+22
Height
31352991.641232