66639904 is an even 8-digits composite number following 66639903
and preceding 66639905 . In scientific notation, it is written as 6.6639904 × 10^7.
The sum of its digits is 43. It has a total of 6 prime factors and 12 positive divisors.
There are 33319936 positive integers (up to 66639904) that are relatively prime to 66639904.
66639904 has 12 divisors, whose sum is 131197374
The reverse of 66639904 is 40993666
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 43
Digital Root 7
Name
sixty-six million six hundred thirty-nine thousand nine hundred four
Scientific notation
6.6639904 × 10^7
Engineering notation
6.6639904 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 2 × 2082497
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
4164994
Product of the distinct prime numbers
The prime factorization of 66639904 is 2 × 2 × 2 × 2 × 2 × 2082497.
Since it has a total of 6 prime factors.
10 , 1 , 12 , 62 , 460 , 924 , 2990 , 6723 , 53541 , 58128 , 915178 , 289424 , 1556295 , 5105313 , 83803482 , 18978330 , 985700941 , 910314291 , 1391416010 , 2694999170
n×2
133279808
n×3
199919712
n×4
266559616
n×5
333199520
n÷2
33319952
n÷3
22213301.333333
n÷3
16659976
n÷5
13327980.8
n2
4440876805129216
n3
2.9593960396964E+23
n4
1.9721386798335E+31
n5
1.3142313229879E+39
2 √n
8163.3267728298
3 √n
405.42586712787
4 √n
90.351130445777
5 √n
36.706829330522
1 , 2 , 4 , 8 , 16 , 32 , 2082497 , 4164994 , 8329988 , 16659976 , 33319952 , 66639904
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
-66639903
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 66639904 can be divided by 12 positive divisors.
The sum of these divisors (counting 66639904) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
11111110001101100000100000
3
Ternary
11122101122202121
4
Quaternary
3332031200200
5
Quinary
114024434104
6
Senary
10340154024
8
Octal
376154040
10
Decimal
66639904
12
Duodecimal
1a398914
16
Hexadecimal
3f8d820
20
Vigesimal
10g9jf4
36
Base36
13obog
md5
5a12a7df1739798d6d3129acbe9135f7
sha1
61874050696cd25fd2a5ef36bf6e3f9c92414f6d
sha256
3eaa3eddfa349825bced469d873ef837ac40faa28524091592485fc6d5fef2f0
sha512
bbb338671a6002f1ac9953fec4856df797e724d39d786575c3ca4420b77a284dcea83a1fa334223b981d279d74b8c340b3d8ad8df9fc6486fba5c07504fb2325
ripemd-160
aea2196a236459aee720d977d6fa18538c87896c
Diameter
133279808
Circumference
418710865.68466
Area
1.3951425946491E+16
Volume
1.2396289143164E+24
Surface area
5.5805703785965E+16
Circumference
418710865.68466
Perimeter
266559616
Area
4440876805129216
Diagonal
94243056.032041
Surface area
26645260830775296
Volume
2.9593960396964E+23
Space diagonal
115423699.53951
Perimeter
199919712
Area
1.9229560641595E+15
Altitude
57711849.769756
Surface area
1.9229560641595E+15
Volume
3.4876816798099E+22
Height
31414352.01068