128540556 is an even 9-digits composite number following 128540555
and preceding 128540557 . In scientific notation, it is written as 1.28540556 × 10^8.
The sum of its digits is 36. It has a total of 5 prime factors and 18 positive divisors.
There are 42846840 positive integers (up to 128540556) that are relatively prime to 128540556.
128540556 has 18 divisors, whose sum is 324922052
The reverse of 128540556 is 655045821
Previous prime number is 3
Is Prime? no Number parity even Number length 9 Sum of Digits 36 Digital Root 9
Name
one hundred twenty-eight million five hundred forty thousand five hundred fifty-six
Scientific notation
1.28540556 × 10^8
Engineering notation
1.28540556 × 10^6
Prime Factorization
2 × 2 × 3 × 3 × 3570571
Composite number
ω Distinct Factors
3 Total number of distinct prime factors
Ω Total Factors
5 Total number of prime factors
rad Radical
21423426 Product of the distinct prime numbers
The prime factorization of 128540556 is 2 × 2 × 3 × 3 × 3570571.
Since it has a total of 5 prime factors.
2 , 4 , 43 , 89 , 671 , 814 , 5922 , 4974 , 97269 , 11173 , 506361 , 193172 , 8164682 , 7286806 , 80192195 , 27129210 , 408411705 , 983243674 , 1461005428 , 9130419754
n×2
257081112
n×3
385621668
n×4
514162224
n×5
642702780
n÷2
64270278
n÷3
42846852
n÷3
32135139
n÷5
25708111.2
n2
16522674536789136
n3
2.1238337715659E+24
n4
2.7299877384866E+32
n5
3.5091414177825E+40
2 √n11337.572756106
3 √n504.67685891867
4 √n106.4780388442
5 √n41.860849250151
1 , 2 , 3 , 4 , 6 , 9 , 12 , 18 , 36 , 3570571 , 7141142 , 10711713 , 14282284 , 21423426 , 32135139 , 42846852 , 64270278 , 128540556
18 divisors
τ Total Divisors
18 Total number of the positive divisors of n
σ Sum of Divisors
1 Sum of all the positive divisors of n
s Aliquot Sum
-128540555 Sum of the proper positive divisors of n
A Arithmetic Mean
0.055555555555556 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
18 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 128540556 can be divided by 18 positive divisors.
The sum of these divisors (counting 128540556) is 1, the average is 0.055555555555556.
Base
System
Value
2
Binary
111101010010101111110001100
3
Ternary
22221212112111100
4
Quaternary
13222111332030
5
Quinary
230401244211
6
Senary
20431023100
8
Octal
752257614
10
Decimal
128540556
12
Duodecimal
3706aa90
16
Hexadecimal
7a95f8c
20
Vigesimal
2037b7g
36
Base36
24j2j0
md5
b9321cb821630f71f6a0875d641c5879
sha1
bb7cf96e3615198c06663eb5b3c7988a4af54d88
sha256
600216dc58d20fbaab10271d86cda7a41d5b8727fb5ee2d06ffcc78c8ac81e4e
sha512
d58f94eb028ff1090940a4f03f4ac6a61da90fd07746b89a7c5b4ef40da2bf2ab35bbf07596c85bbc7537df821a08f19b5353e3fc5b1c29e518d0b82bc14bbdc
ripemd-160
410de1c41f7c4654e58be4438778c001e5a611db
Diameter
257081112
Circumference
807644132.83589
Area
5.1907512942432E+16
Volume
8.8962940989299E+24
Surface area
2.0763005176973E+17
Circumference
807644132.83589
Perimeter
514162224
Area
16522674536789136
Diagonal
181783797.61018
Surface area
99136047220734816
Volume
2.1238337715659E+24
Space diagonal
222638773.82515
Perimeter
385621668
Area
7.1545279436608E+15
Altitude
111319386.91258
Surface area
7.1545279436608E+15
Volume
2.5029621033121E+23
Height
60594599.203393