128664694 is an even 9-digits composite number following 128664693
and preceding 128664695 . In scientific notation, it is written as 1.28664694 × 10^8.
The sum of its digits is 46. It has a total of 5 prime factors and 32 positive divisors.
There are 58605120 positive integers (up to 128664694) that are relatively prime to 128664694.
128664694 has 32 divisors, whose sum is 211046400
The reverse of 128664694 is 496466821
Previous prime number is 457
Is Prime? no Number parity even Number length 9 Sum of Digits 46 Digital Root 1
Name
one hundred twenty-eight million six hundred sixty-four thousand six hundred ninety-four
Scientific notation
1.28664694 × 10^8
Engineering notation
1.28664694 × 10^6
Prime Factorization
2 × 31 × 19 × 457 × 239
Composite number
ω Distinct Factors
5 Total number of distinct prime factors
Ω Total Factors
5 Total number of prime factors
rad Radical
128664694 Product of the distinct prime numbers
The prime factorization of 128664694 is 2 × 31 × 19 × 457 × 239.
Since it has a total of 5 prime factors.
8 , 6 , 24 , 61 , 87 , 367 , 8581 , 2323 , 69167 , 23230 , 613662 , 354893 , 9867351 , 245574 , 21977303 , 41398388 , 484898167 , 441121795 , 4973388194 , 244513110
n×2
257329388
n×3
385994082
n×4
514658776
n×5
643323470
n÷2
64332347
n÷3
42888231.333333
n÷3
32166173.5
n÷5
25732938.8
n2
16554603482113636
n3
2.1299929913175E+24
n4
2.7405489645001E+32
n5
3.5261189390942E+40
2 √n11343.046063558
3 √n504.83927048417
4 √n106.50373732202
5 √n41.868931548863
1 , 2 , 19 , 31 , 38 , 62 , 239 , 457 , 478 , 589 , 914 , 1178 , 4541 , 7409 , 8683 , 9082 , 14167 , 14818 , 17366 , 28334 , 109223 , 140771 , 218446 , 269173 , 281542 , 538346 , 2075237 , 3385913 , 4150474 , 6771826 , 64332347 , 128664694
32 divisors
τ Total Divisors
32 Total number of the positive divisors of n
σ Sum of Divisors
1 Sum of all the positive divisors of n
s Aliquot Sum
-128664693 Sum of the proper positive divisors of n
A Arithmetic Mean
0.03125 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
32 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 128664694 can be divided by 32 positive divisors.
The sum of these divisors (counting 128664694) is 1, the average is 0.03125.
Base
System
Value
2
Binary
111101010110100010001110110
3
Ternary
22222002211210001
4
Quaternary
13222310101312
5
Quinary
230414232234
6
Senary
20433421514
8
Octal
752642166
10
Decimal
128664694
12
Duodecimal
3710a89a
16
Hexadecimal
7ab4476
20
Vigesimal
20431ee
36
Base36
24lqba
md5
cb89685ba64b9044e3c33ebd7faabac4
sha1
b32c744d8405048da7149d8b4055dc6601562d35
sha256
1f1af74866823cb6a8bcf061099b44e21139f9db5186b400cf2bdd3b38e7d735
sha512
93b58bcfc8bae532e547751578b05849371546e84fa05948a21a3b367389e8412f4eecfb4a92f3e5587a9711c4194d024766867bedc80f54cf1c161fe3d0eab5
ripemd-160
997a12b40ff242d27d58dbbed5d368810e16fb92
Diameter
257329388
Circumference
808424114.89356
Area
5.20078206825E+16
Volume
8.9220937782943E+24
Surface area
2.0803128273E+17
Circumference
808424114.89356
Perimeter
514658776
Area
16554603482113636
Diagonal
181959355.25338
Surface area
99327620892681816
Volume
2.1299929913175E+24
Space diagonal
222853787.1483
Perimeter
385994082
Area
7.1683535825444E+15
Altitude
111426893.57415
Surface area
7.1683535825444E+15
Volume
2.5102208134007E+23
Height
60653118.417795