66707909 is an odd 8-digits composite number following 66707908
and preceding 66707910 . In scientific notation, it is written as 6.6707909 × 10^7.
The sum of its digits is 44. It has a total of 2 prime factors and 4 positive divisors.
There are 66674880 positive integers (up to 66707909) that are relatively prime to 66707909.
66707909 has 4 divisors, whose sum is 66740940
The reverse of 66707909 is 90970766
Previous prime number is 2161
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 44
Digital Root 8
Name
sixty-six million seven hundred seven thousand nine hundred nine
Scientific notation
6.6707909 × 10^7
Engineering notation
6.6707909 × 10^6
Prime Factorization
2161 × 30869
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
66707909
Product of the distinct prime numbers
The prime factorization of 66707909 is 2161 × 30869.
Since it has a total of 2 prime factors.
2 , 2 , 63 , 18 , 570 , 884 , 6222 , 2610 , 38725 , 82307 , 486060 , 628808 , 9335006 , 8588737 , 75047365 , 53424939 , 780717212 , 893100720 , 7755399268 , 5496108291
n×2
133415818
n×3
200123727
n×4
266831636
n×5
333539545
n÷2
33353954.5
n÷3
22235969.666667
n÷3
16676977.25
n÷5
13341581.8
n2
4449945123152281
n3
2.9684653433024E+23
n4
1.9802011599067E+31
n5
1.3209507877675E+39
2 √n
8167.4909856087
3 √n
405.56373053585
4 √n
90.374172115758
5 √n
36.71431802558
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
-66707908
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 66707909 can be divided by 4 positive divisors.
The sum of these divisors (counting 66707909) is 1, the average is 0.25.
Base
System
Value
2
Binary
11111110011110000111000101
3
Ternary
11122112010001022
4
Quaternary
3332132013011
5
Quinary
114034123114
6
Senary
10341440525
8
Octal
376360705
10
Decimal
66707909
12
Duodecimal
1a410145
16
Hexadecimal
3f9e1c5
20
Vigesimal
10gi9f9
36
Base36
13ps5h
md5
5bc00891109694df4e41b60317dbc845
sha1
7043c447ed7e00410bbfecf1bbbb670144174c24
sha256
682e20798e4b265b28d981cda227b4162fe5a9e9f7291ea2fad34ea264eb811f
sha512
a5ab6d708fc17674e71f6f3b30afefbe7c68925c36bd0218a22475ecf79c60c2b5ed0d2bb7ba1bcbe01adf987437e60f71b832cb3723e9af76429d4a4cb0ddae
ripemd-160
e1398c14dceb5bd4ed476e3e9fbd59cd497d25f0
Diameter
133415818
Circumference
419138153.70147
Area
1.3979914907773E+16
Volume
1.2434278553273E+24
Surface area
5.5919659631092E+16
Circumference
419138153.70147
Perimeter
266831636
Area
4449945123152281
Diagonal
94339229.62535
Surface area
26699670738913686
Volume
2.9684653433024E+23
Space diagonal
115541487.65468
Perimeter
200123727
Area
1.9268827610483E+15
Altitude
57770743.827341
Surface area
1.9268827610483E+15
Volume
3.4983699566106E+22
Height
31446409.875117