128049555 is an odd 9-digits composite number following 128049554
and preceding 128049556 . In scientific notation, it is written as 1.28049555 × 10^8.
The sum of its digits is 39. It has a total of 2 prime factors and 4 positive divisors.
There are 68293088 positive integers (up to 128049555) that are relatively prime to 128049555.
128049555 has 4 divisors, whose sum is 136586208
The reverse of 128049555 is 555940821
Previous prime number is 15
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 39
Digital Root 3
Name
one hundred twenty-eight million forty-nine thousand five hundred fifty-five
Scientific notation
1.28049555 × 10^8
Engineering notation
1.28049555 × 10^6
Prime Factorization
15 × 8536637
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
128049555
Product of the distinct prime numbers
The prime factorization of 128049555 is 15 × 8536637.
Since it has a total of 2 prime factors.
2 , 6 , 75 , 44 , 987 , 8 , 8000 , 4061 , 47985 , 13399 , 303892 , 733303 , 4279707 , 8158917 , 39897367 , 73476748 , 604018491 , 488131499 , 835789776 , 4261599437
n×2
256099110
n×3
384148665
n×4
512198220
n×5
640247775
n÷2
64024777.5
n÷3
42683185
n÷3
32012388.75
n÷5
25609911
n2
16396688535698025
n3
2.0995886704697E+24
n4
2.6885139493669E+32
n5
3.4426301482773E+40
2 √n
11315.898329342
3 √n
504.03344842889
4 √n
106.37621129436
5 √n
41.828820144001
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-128049554
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 128049555 can be divided by 4 positive divisors.
The sum of these divisors (counting 128049555) is 1, the average is 0.25.
Base
System
Value
2
Binary
111101000011110000110010011
3
Ternary
22220221120222010
4
Quaternary
13220132012103
5
Quinary
230240041210
6
Senary
20412314003
8
Octal
750360623
10
Decimal
128049555
12
Duodecimal
36a72903
16
Hexadecimal
7a1e193
20
Vigesimal
20063hf
36
Base36
248jo3
md5
516948bdbe1cc1c550a8479bba2c6058
sha1
6720b904835457c9287960543d1bb77a95113ff2
sha256
022d78d6dc00c0dc2f9bb49376db9b029aadfc2b104acccf9132232a93c044a5
sha512
c24583f5d373e6351db890212b67e33879694d12b86d4cf617697f2b18bda27b914da7917d0cb2723d72b8cf50811ee03ff67da5d2b345a6429bfe2b8be1801c
ripemd-160
0dfd924c61ca29f018709522aa34359322fcd6b1
Diameter
256099110
Circumference
804559082.56688
Area
5.1511716246949E+16
Volume
8.7947364569441E+24
Surface area
2.060468649878E+17
Circumference
804559082.56688
Perimeter
512198220
Area
16396688535698025
Diagonal
181089417.33684
Surface area
98380131214188150
Volume
2.0995886704697E+24
Space diagonal
221788335.14659
Perimeter
384148665
Area
7.0999744049278E+15
Altitude
110894167.57329
Surface area
7.0999744049278E+15
Volume
2.4743889776527E+23
Height
60363139.11228