128403904 is an even 9-digits composite number following 128403903
and preceding 128403905 . In scientific notation, it is written as 1.28403904 × 10^8.
The sum of its digits is 31. It has a total of 8 prime factors and 28 positive divisors.
There are 63961344 positive integers (up to 128403904) that are relatively prime to 128403904.
128403904 has 28 divisors, whose sum is 255756664
The reverse of 128403904 is 409304821
Previous prime number is 277
Is Prime? no
Number parity even
Number length 9
Sum of Digits 31
Digital Root 4
Name
one hundred twenty-eight million four hundred three thousand nine hundred four
Scientific notation
1.28403904 × 10^8
Engineering notation
1.28403904 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 2 × 2 × 277 × 7243
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
8
Total number of prime factors
rad
Radical
4012622
Product of the distinct prime numbers
The prime factorization of 128403904 is 2 × 2 × 2 × 2 × 2 × 2 × 277 × 7243.
Since it has a total of 8 prime factors.
4 , 9 , 92 , 61 , 538 , 312 , 9974 , 8296 , 30977 , 88933 , 19357 , 909150 , 2189626 , 4024978 , 76855680 , 36121034 , 930553781 , 665221026 , 9901925857 , 4978681104
n×2
256807808
n×3
385211712
n×4
513615616
n×5
642019520
n÷2
64201952
n÷3
42801301.333333
n÷3
32100976
n÷5
25680780.8
n2
16487562562441216
n3
2.1170674004617E+24
n4
2.7183971925041E+32
n5
3.4905281214017E+40
2 √n
11331.544643163
3 √n
504.49795414925
4 √n
106.44972824373
5 √n
41.851944974268
1 , 2 , 4 , 8 , 16 , 32 , 64 , 277 , 554 , 1108 , 2216 , 4432 , 7243 , 8864 , 14486 , 17728 , 28972 , 57944 , 115888 , 231776 , 463552 , 2006311 , 4012622 , 8025244 , 16050488 , 32100976 , 64201952 , 128403904
28 divisors
τ
Total Divisors
28
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-128403903
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.035714285714286
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
28
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 128403904 can be divided by 28 positive divisors.
The sum of these divisors (counting 128403904) is 1, the average is 0.035714285714286.
Base
System
Value
2
Binary
111101001110100100111000000
3
Ternary
22221121121001011
4
Quaternary
13221310213000
5
Quinary
230332411104
6
Senary
20424050304
8
Octal
751644700
10
Decimal
128403904
12
Duodecimal
37003994
16
Hexadecimal
7a749c0
20
Vigesimal
202a9f4
36
Base36
24g534
md5
c38cf631a2023726090d1aac5bdffdd1
sha1
48d972ee4ed23a50faa3e98a4d2eeb2432cd7345
sha256
8fbdc9edc37a5a70a3716f8de5a3e4b55c3f182d92f58383a927ac3ab559ccc5
sha512
4c2eef98e7833dbd1402768fa277fb127ef025e0024ec7fa202eaf8b294f834a80da0cceb4dc1db87fce4ac903fe8b888a74a48d39649347e70bec6da56b2bf7
ripemd-160
2482551eb11c48c395c207d7e875a8e9aa1c1016
Diameter
256807808
Circumference
806785522.9973
Area
5.1797205421767E+16
Volume
8.8679511899265E+24
Surface area
2.0718882168707E+17
Circumference
806785522.9973
Perimeter
513615616
Area
16487562562441216
Diagonal
181590542.49845
Surface area
98925375374647296
Volume
2.1170674004617E+24
Space diagonal
222402085.6182
Perimeter
385211712
Area
7.1393240127797E+15
Altitude
111201042.8091
Surface area
7.1393240127797E+15
Volume
2.4949878584924E+23
Height
60530180.832818