128216636 is an even 9-digits composite number following 128216635
and preceding 128216637 . In scientific notation, it is written as 1.28216636 × 10^8.
The sum of its digits is 35. It has a total of 4 prime factors and 12 positive divisors.
There are 60734160 positive integers (up to 128216636) that are relatively prime to 128216636.
128216636 has 12 divisors, whose sum is 236188680
The reverse of 128216636 is 636612821
Previous prime number is 19
Is Prime? no
Number parity even
Number length 9
Sum of Digits 35
Digital Root 8
Name
one hundred twenty-eight million two hundred sixteen thousand six hundred thirty-six
Scientific notation
1.28216636 × 10^8
Engineering notation
1.28216636 × 10^6
Prime Factorization
2 × 2 × 19 × 1687061
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
64108318
Product of the distinct prime numbers
The prime factorization of 128216636 is 2 × 2 × 19 × 1687061.
Since it has a total of 4 prime factors.
2 , 7 , 34 , 67 , 39 , 819 , 211 , 9804 , 80440 , 41747 , 847898 , 721241 , 669690 , 6530738 , 10668704 , 54852960 , 367092936 , 269954020 , 7609429172 , 1078440771
n×2
256433272
n×3
384649908
n×4
512866544
n×5
641083180
n÷2
64108318
n÷3
42738878.666667
n÷3
32054159
n÷5
25643327.2
n2
16439505747156496
n3
2.1078181244031E+24
n4
2.7025734921079E+32
n5
3.4651488170085E+40
2 √n
11323.278500505
3 √n
504.25257664334
4 √n
106.41089465137
5 √n
41.83973022692
1 , 2 , 4 , 19 , 38 , 76 , 1687061 , 3374122 , 6748244 , 32054159 , 64108318 , 128216636
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
-128216635
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 128216636 can be divided by 12 positive divisors.
The sum of these divisors (counting 128216636) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
111101001000110111000111100
3
Ternary
22221021002011022
4
Quaternary
13221012320330
5
Quinary
230310413021
6
Senary
20420043312
8
Octal
751067074
10
Decimal
128216636
12
Duodecimal
36b33538
16
Hexadecimal
7a46e3c
20
Vigesimal
20171bg
36
Base36
24c4l8
md5
41366d792f126635d5bafa86d0430da5
sha1
be8895785c6edcff802382135add6ef30231f392
sha256
1cf621bdadf46c058caf71ca6470ee0307c4d920fe369e7c9757d60004f36086
sha512
0eea76f2490016dc211689f9f3b402e86e98dc8ead8a40608370d8197a2fceb731fcf37a798cce7f628a525ff7fd5d46e46a626b545e51273fc921e547f1b328
ripemd-160
48b1fd7bfe37115d13ad6bc5a70f914aa77ba7f3
Diameter
256433272
Circumference
805608883.45119
Area
5.1646230483914E+16
Volume
8.8292079129708E+24
Surface area
2.0658492193566E+17
Circumference
805608883.45119
Perimeter
512866544
Area
16439505747156496
Diagonal
181325705.55305
Surface area
98637034482938976
Volume
2.1078181244031E+24
Space diagonal
222077727.92756
Perimeter
384649908
Area
7.1185148013489E+15
Altitude
111038863.96378
Surface area
7.1185148013489E+15
Volume
2.4840874821222E+23
Height
60441901.851018