128220402 is an even 9-digits composite number following 128220401
and preceding 128220403 . In scientific notation, it is written as 1.28220402 × 10^8.
The sum of its digits is 21. It has a total of 4 prime factors and 16 positive divisors.
There are 41361360 positive integers (up to 128220402) that are relatively prime to 128220402.
128220402 has 16 divisors, whose sum is 264713472
The reverse of 128220402 is 204022821
Previous prime number is 31
Is Prime? no
Number parity even
Number length 9
Sum of Digits 21
Digital Root 3
Name
one hundred twenty-eight million two hundred twenty thousand four hundred two
Scientific notation
1.28220402 × 10^8
Engineering notation
1.28220402 × 10^6
Prime Factorization
2 × 3 × 31 × 689357
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
128220402
Product of the distinct prime numbers
The prime factorization of 128220402 is 2 × 3 × 31 × 689357.
Since it has a total of 4 prime factors.
8 , 9 , 39 , 52 , 326 , 913 , 7451 , 6412 , 48292 , 5391 , 816207 , 716201 , 1654367 , 5792652 , 79880238 , 10773513 , 183448992 , 970338153 , 4574733588 , 7963004225
n×2
256440804
n×3
384661206
n×4
512881608
n×5
641102010
n÷2
64110201
n÷3
42740134
n÷3
32055100.5
n÷5
25644080.4
n2
16440471489041604
n3
2.1080038633945E+24
n4
2.7028910278199E+32
n5
3.4656577414926E+40
2 √n
11323.444793878
3 √n
504.25751359139
4 √n
106.41167602231
5 √n
41.839976008712
1 , 2 , 3 , 6 , 31 , 62 , 93 , 186 , 689357 , 1378714 , 2068071 , 4136142 , 21370067 , 42740134 , 64110201 , 128220402
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
-128220401
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 128220402 can be divided by 16 positive divisors.
The sum of these divisors (counting 128220402) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111101001000111110011110010
3
Ternary
22221021021022210
4
Quaternary
13221013303302
5
Quinary
230311023102
6
Senary
20420112550
8
Octal
751076362
10
Decimal
128220402
12
Duodecimal
36b35756
16
Hexadecimal
7a47cf2
20
Vigesimal
2017b02
36
Base36
24c7hu
md5
fefc8d9b5dcf4b8a5d67d4f8930d43ef
sha1
c3a9719b6d38f42d712e13620378af6e2de9377f
sha256
8aec1e7a7e6918529df2aa02e5fed73b2eccf260675d4e752eb63bcda130dbde
sha512
55cd617221fc596e2e9ccc26d28b755b6280bfce77cdc57f636eef83f3d892853f2e70e33378633c8ab983bc3f508a027e7685ad9c00655fb64a5c7b154357ed
ripemd-160
72669392a11890af87ebd848946a502ad293e135
Diameter
256440804
Circumference
805632545.92706
Area
5.1649264451526E+16
Volume
8.8299859346386E+24
Surface area
2.065970578061E+17
Circumference
805632545.92706
Perimeter
512881608
Area
16440471489041604
Diagonal
181331031.48133
Surface area
98642828934249624
Volume
2.1080038633945E+24
Space diagonal
222084250.83091
Perimeter
384661206
Area
7.1189329798519E+15
Altitude
111042125.41545
Surface area
7.1189329798519E+15
Volume
2.4843063776228E+23
Height
60443677.160443