128640246 is an even 9-digits composite number following 128640245
and preceding 128640247 . In scientific notation, it is written as 1.28640246 × 10^8.
The sum of its digits is 33. It has a total of 4 prime factors and 16 positive divisors.
There are 36754344 positive integers (up to 128640246) that are relatively prime to 128640246.
128640246 has 16 divisors, whose sum is 294034944
The reverse of 128640246 is 642046821
Previous prime number is 7
Is Prime? no
Number parity even
Number length 9
Sum of Digits 33
Digital Root 6
Name
one hundred twenty-eight million six hundred forty thousand two hundred forty-six
Scientific notation
1.28640246 × 10^8
Engineering notation
1.28640246 × 10^6
Prime Factorization
2 × 3 × 7 × 3062863
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
128640246
Product of the distinct prime numbers
The prime factorization of 128640246 is 2 × 3 × 7 × 3062863.
Since it has a total of 4 prime factors.
6 , 8 , 17 , 51 , 891 , 98 , 878 , 8935 , 33545 , 37009 , 257548 , 587523 , 9453692 , 759530 , 47391401 , 55129717 , 738133746 , 501056962 , 560728684 , 2030730238
n×2
257280492
n×3
385920738
n×4
514560984
n×5
643201230
n÷2
64320123
n÷3
42880082
n÷3
32160061.5
n÷5
25728049.2
n2
16548312890940516
n3
2.1287790411756E+24
n4
2.7384665953647E+32
n5
3.5227701649049E+40
2 √n
11341.96834769
3 √n
504.80729307084
4 √n
106.49867768048
5 √n
41.867340297346
1 , 2 , 3 , 6 , 7 , 14 , 21 , 42 , 3062863 , 6125726 , 9188589 , 18377178 , 21440041 , 42880082 , 64320123 , 128640246
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-128640245
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 128640246 can be divided by 16 positive divisors.
The sum of these divisors (counting 128640246) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111101010101110010011110110
3
Ternary
22222001121020120
4
Quaternary
13222232103312
5
Quinary
230412441441
6
Senary
20433112410
8
Octal
752562366
10
Decimal
128640246
12
Duodecimal
370b8706
16
Hexadecimal
7aae4f6
20
Vigesimal
20400c6
36
Base36
24l7g6
md5
3a7c9fcc7eee6aeaefd56fd1f072289a
sha1
064ef4b0097981f9551d861b99601beeab6ee327
sha256
d5f45a6f6b5df08b1cdbd4faafe2f3e08da923f1ecb102feaf8ba6f50d01ca62
sha512
162afc1eeed16db3a4a41ac71099ced3fef58973c3909be2c757ef7a7d88bae738036ced5830e3ebebce7828907942f28105c4d4817bd2fd96a5209ec71c7f5a
ripemd-160
6848c6b6d06516e9b8d7dcbcde15ad160d70dfb0
Diameter
257280492
Circumference
808270503.57917
Area
5.1988058207484E+16
Volume
8.9170087958307E+24
Surface area
2.0795223282994E+17
Circumference
808270503.57917
Perimeter
514560984
Area
16548312890940516
Diagonal
181924780.56021
Surface area
99289877345643096
Volume
2.1287790411756E+24
Space diagonal
222811441.97016
Perimeter
385920738
Area
7.165629676664E+15
Altitude
111405720.98508
Surface area
7.165629676664E+15
Volume
2.5087901594384E+23
Height
60641593.52007