128403906 is an even 9-digits composite number following 128403905
and preceding 128403907 . In scientific notation, it is written as 1.28403906 × 10^8.
The sum of its digits is 33. It has a total of 4 prime factors and 16 positive divisors.
There are 41890544 positive integers (up to 128403906) that are relatively prime to 128403906.
128403906 has 16 divisors, whose sum is 262272384
The reverse of 128403906 is 609304821
Previous prime number is 47
Is Prime? no
Number parity even
Number length 9
Sum of Digits 33
Digital Root 6
Name
one hundred twenty-eight million four hundred three thousand nine hundred six
Scientific notation
1.28403906 × 10^8
Engineering notation
1.28403906 × 10^6
Prime Factorization
2 × 3 × 47 × 455333
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
128403906
Product of the distinct prime numbers
The prime factorization of 128403906 is 2 × 3 × 47 × 455333.
Since it has a total of 4 prime factors.
4 , 1 , 51 , 52 , 964 , 554 , 1292 , 9800 , 44713 , 26507 , 886505 , 358964 , 2821183 , 7376330 , 6747026 , 76588950 , 987227801 , 170849094 , 1752162007 , 7744918800
n×2
256807812
n×3
385211718
n×4
513615624
n×5
642019530
n÷2
64201953
n÷3
42801302
n÷3
32100976.5
n÷5
25680781.2
n2
16487563076056836
n3
2.1170674993871E+24
n4
2.7183973618695E+32
n5
3.4905283932414E+40
2 √n
11331.544731412
3 √n
504.49795676858
4 √n
106.44972865824
5 √n
41.851945104644
1 , 2 , 3 , 6 , 47 , 94 , 141 , 282 , 455333 , 910666 , 1365999 , 2731998 , 21400651 , 42801302 , 64201953 , 128403906
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
-128403905
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 128403906 can be divided by 16 positive divisors.
The sum of these divisors (counting 128403906) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111101001110100100111000010
3
Ternary
22221121121001020
4
Quaternary
13221310213002
5
Quinary
230332411111
6
Senary
20424050310
8
Octal
751644702
10
Decimal
128403906
12
Duodecimal
37003996
16
Hexadecimal
7a749c2
20
Vigesimal
202a9f6
36
Base36
24g536
md5
d04f37561713b7e6a5135282a43d8da8
sha1
c9de604aa950c4370cb14ef08a47cb4759d02983
sha256
76b12894dcb79b8b3397680be77400b85fe935afd693a10a76c92a21a674adfc
sha512
b393ae3f6a57d76664b315bb84650f27cc189230a69251e789e97f0fcf385a238550b6f104736d82a48580da28b14e89fd105e8721bcd3db47a897b3f475e1a4
ripemd-160
27dc648a67346663e963dca9967cb45f482a836c
Diameter
256807812
Circumference
806785535.56367
Area
5.1797207035338E+16
Volume
8.8679516043042E+24
Surface area
2.0718882814135E+17
Circumference
806785535.56367
Perimeter
513615624
Area
16487563076056836
Diagonal
181590545.32688
Surface area
98925378456341016
Volume
2.1170674993871E+24
Space diagonal
222402089.0823
Perimeter
385211718
Area
7.1393242351818E+15
Altitude
111201044.54115
Surface area
7.1393242351818E+15
Volume
2.4949879750771E+23
Height
60530181.775627