128538161 (number)

128538161 is an odd 9-digits composite number following 128538160 and preceding 128538162. In scientific notation, it is written as 1.28538161 × 10^8. The sum of its digits is 35. It has a total of 2 prime factors and 4 positive divisors. There are 127093824 positive integers (up to 128538161) that are relatively prime to 128538161.

Interesting facts

Basic properties

Name

Name one hundred twenty-eight million five hundred thirty-eight thousand one hundred sixty-one

Notation

Scientific notation 1.28538161 × 10^8
Engineering notation 1.28538161 × 10^6

Prime Factorization of 128538161

Prime Factorization 89 × 1444249

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 128538161
Product of the distinct prime numbers

The prime factorization of 128538161 is 89 × 1444249. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 128538161)

Multiplication

n×y
n×2 257076322
n×3 385614483
n×4 514152644
n×5 642690805

Division

n÷y
n÷2 64269080.5
n÷3 42846053.666667
n÷3 32134540.25
n÷5 25707632.2

Exponentiation

ny
n2 16522058833261921
n3 2.1237150583613E+24
n4 2.7297842808977E+32
n5 3.508814513933E+40

Nth Root

y√n
2√n 11337.467133359
3√n 504.67372447711
4√n 106.47754285932
5√n 41.860693256612

Divisors of 128538161

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 -128538160
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 128538161 can be divided by 4 positive divisors. The sum of these divisors (counting 128538161) is 1, the average is 0.25.

Base conversion 128538161

Base System Value
2 Binary 111101010010101011000110001
3 Ternary 22221212102012122
4 Quaternary 13222111120301
5 Quinary 230401210121
6 Senary 20431004025
8 Octal 752253061
10 Decimal 128538161
12 Duodecimal 37069615
16 Hexadecimal 7a95631
20 Vigesimal 2037581
36 Base36 24j0oh

Cryptographic Hash Functions

md5 76657141bbc921ee3d22e336dbbd5047
sha1 7bfbfcf90c98ac88b3cfd8fec191393fc32e180c
sha256 84df38f21fd8e2c2ac7952ccfc2750c8030b04619b80d99d0a888a0a6629e16d
sha512 19a2c419160f303681146bd43f990fc67d3d402619d91e034f3f7a537c9504da5ab1049a75fc6225c29f820ebb06dc579a20565679419a19bd01ae3db0a4114c
ripemd-160 65a50e4f8e9b8eb7cdc3b4b127ca68bfbae8da0a

128538161 as geometric shapes

Circle

Radius = n
Diameter 257076322
Circumference 807629084.60708
Area 5.1905578652754E+16

Sphere

Radius = n
Volume 8.8957968342211E+24
Surface area 2.0762231461102E+17
Circumference 807629084.60708

Square

Length = n
Perimeter 514152644
Area 16522058833261921
Diagonal 181780410.5687

Cube

Length = n
Surface area 99132352999571526
Volume 2.1237150583613E+24
Space diagonal 222634625.56347

Equilateral Triangle

Length = n
Perimeter 385614483
Area 7.154261336213E+15
Altitude 111317312.78173

Triangular Pyramid

Length = n
Surface area 7.154261336213E+15
Volume 2.5028221984588E+23
Height 60593470.189565