66708909 is an odd 8-digits composite number following 66708908
and preceding 66708910 . In scientific notation, it is written as 6.6708909 × 10^7.
The sum of its digits is 45. It has a total of 4 prime factors and 12 positive divisors.
There are 44121672 positive integers (up to 66708909) that are relatively prime to 66708909.
66708909 has 12 divisors, whose sum is 97117696
The reverse of 66708909 is 90980766
Previous prime number is 127
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 45
Digital Root 9
Name
sixty-six million seven hundred eight thousand nine hundred nine
Scientific notation
6.6708909 × 10^7
Engineering notation
6.6708909 × 10^6
Prime Factorization
3 × 3 × 127 × 58363
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
22236303
Product of the distinct prime numbers
The prime factorization of 66708909 is 3 × 3 × 127 × 58363.
Since it has a total of 4 prime factors.
6 , 7 , 56 , 3 , 672 , 799 , 810 , 4006 , 52352 , 44813 , 462904 , 709370 , 2756401 , 4560949 , 83501469 , 11943827 , 205356346 , 576345198 , 419120409 , 4094475600
n×2
133417818
n×3
200126727
n×4
266835636
n×5
333544545
n÷2
33354454.5
n÷3
22236303
n÷3
16677227.25
n÷5
13341781.8
n2
4450078539970281
n3
2.9685988436573E+23
n4
1.9803199011904E+31
n5
1.321049800794E+39
2 √n
8167.5522036899
3 √n
405.56575709067
4 √n
90.374510807472
5 √n
36.714428099778
1 , 3 , 9 , 127 , 381 , 1143 , 58363 , 175089 , 525267 , 7412101 , 22236303 , 66708909
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-66708908
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 66708909 can be divided by 12 positive divisors.
The sum of these divisors (counting 66708909) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
11111110011110010110101101
3
Ternary
11122112011102100
4
Quaternary
3332132112231
5
Quinary
114034141114
6
Senary
10341445313
8
Octal
376362655
10
Decimal
66708909
12
Duodecimal
1a410839
16
Hexadecimal
3f9e5ad
20
Vigesimal
10gic59
36
Base36
13psx9
md5
a06b9adec64e186078c48da07f954cfd
sha1
428718c2221e686c7fb35fce34e338588da609ad
sha256
c3744cc3ba102328b13132f7330166f80873db6c22f72474df8c783d3ef5899d
sha512
039c3bf94b9ab730b5d78b82c350ada6448bc7a5eaf13700a989da08a9b90accbb022c2407cd3ea49cbe744ec8bd05edd676306786b60534b544ba3273e4b45a
ripemd-160
327cacd52591019eb02f3a3bd31a8ae0e45d3f7a
Diameter
133417818
Circumference
419144436.88678
Area
1.3980334049068E+16
Volume
1.2434837758252E+24
Surface area
5.5921336196273E+16
Circumference
419144436.88678
Perimeter
266835636
Area
4450078539970281
Diagonal
94340643.838913
Surface area
26700471239821686
Volume
2.9685988436573E+23
Space diagonal
115543219.70549
Perimeter
200126727
Area
1.9269405322251E+15
Altitude
57771609.852744
Surface area
1.9269405322251E+15
Volume
3.4985272882877E+22
Height
31446881.279638