128528481 (number)

128528481 is an odd 9-digits composite number following 128528480 and preceding 128528482. In scientific notation, it is written as 1.28528481 × 10^8. The sum of its digits is 39. It has a total of 4 prime factors and 16 positive divisors. There are 83404800 positive integers (up to 128528481) that are relatively prime to 128528481.

Interesting facts

Basic properties

Name

Name one hundred twenty-eight million five hundred twenty-eight thousand four hundred eighty-one

Notation

Scientific notation 1.28528481 × 10^8
Engineering notation 1.28528481 × 10^6

Prime Factorization of 128528481

Prime Factorization 3 × 41 × 577 × 1811

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 128528481
Product of the distinct prime numbers

The prime factorization of 128528481 is 3 × 41 × 577 × 1811. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 128528481)

Multiplication

n×y
n×2 257056962
n×3 385585443
n×4 514113924
n×5 642642405

Division

n÷y
n÷2 64264240.5
n÷3 42842827
n÷3 32132120.25
n÷5 25705696.2

Exponentiation

ny
n2 16519570428167361
n3 2.1232352939049E+24
n4 2.7289620713118E+32
n5 3.5074934973232E+40

Nth Root

y√n
2√n 11337.04022221
3√n 504.66105543975
4√n 106.47553814003
5√n 41.860062745463

Divisors of 128528481

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 -128528480
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 128528481 can be divided by 16 positive divisors. The sum of these divisors (counting 128528481) is 1, the average is 0.0625.

Base conversion 128528481

Base System Value
2 Binary 111101010010011000001100001
3 Ternary 22221211220221010
4 Quaternary 13222103001201
5 Quinary 230400402411
6 Senary 20430451133
8 Octal 752230141
10 Decimal 128528481
12 Duodecimal 37063aa9
16 Hexadecimal 7a93061
20 Vigesimal 2036141
36 Base36 24it7l

Cryptographic Hash Functions

md5 0daf90e10d62a156619b4db434a215cb
sha1 cd117157f1b698822c6faba99fc95596b286a7b6
sha256 f20309afa6ac7b2f70eb8ce978e09408a944273b78dd677a13e73e75dfe5f3d3
sha512 d772b320f37ea3210b75a1f8093c0047ae9f8b5609cf43cf3ab36a643942beb1bd0d1be15eb5caf297746c7d6036e0e29ba8dba35b279b4bb8a6cd74fbb20679
ripemd-160 0914296e8a7f15517a2501f76f1cf3e179eeed1c

128528481 as geometric shapes

Circle

Radius = n
Diameter 257056962
Circumference 807568263.37331
Area 5.189776109759E+16

Sphere

Radius = n
Volume 8.8937872015655E+24
Surface area 2.0759104439036E+17
Circumference 807568263.37331

Square

Length = n
Perimeter 514113924
Area 16519570428167361
Diagonal 181766720.98141

Cube

Length = n
Surface area 99117422569004166
Volume 2.1232352939049E+24
Space diagonal 222617859.31165

Equilateral Triangle

Length = n
Perimeter 385585443
Area 7.1531838251996E+15
Altitude 111308929.65583

Triangular Pyramid

Length = n
Surface area 7.1531838251996E+15
Volume 2.5022567906246E+23
Height 60588906.993804