128520481 (number)

128520481 is an odd 9-digits composite number following 128520480 and preceding 128520482. In scientific notation, it is written as 1.28520481 × 10^8. The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors. There are 122932612 positive integers (up to 128520481) that are relatively prime to 128520481.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.28520481 × 10^8
Engineering notation 1.28520481 × 10^6

Prime Factorization of 128520481

Prime Factorization 23 × 5587847

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 128520481
Product of the distinct prime numbers

The prime factorization of 128520481 is 23 × 5587847. Since it has a total of 2 prime factors.

Most popular turbo-numbers

7, 2, 53, 7, 994, 693, 1411, 2719, 22214, 53176, 565529, 151556, 4937330, 1434195, 90349554, 7591533, 337994004, 499712946, 5673026370, 9410534223

Basic calculations (n = 128520481)

Multiplication

n×y
n×2 257040962
n×3 385561443
n×4 514081924
n×5 642602405

Division

n÷y
n÷2 64260240.5
n÷3 42840160.333333
n÷3 32130120.25
n÷5 25704096.2

Exponentiation

ny
n2 16517514036471361
n3 2.1228388488916E+24
n4 2.7282826994503E+32
n5 3.5064020483733E+40

Nth Root

y√n
2√n 11336.687390944
3√n 504.65058468084
4√n 106.47388126177
5√n 41.859541633197

Divisors of 128520481

1, 23, 5587847, 128520481

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 -128520480
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 128520481 can be divided by 4 positive divisors. The sum of these divisors (counting 128520481) is 1, the average is 0.25.

Base conversion 128520481

Base System Value
2 Binary 111101010010001000100100001
3 Ternary 22221211111221211
4 Quaternary 13222101010201
5 Quinary 230400123411
6 Senary 20430350121
8 Octal 752210441
10 Decimal 128520481
12 Duodecimal 3705b341
16 Hexadecimal 7a91121
20 Vigesimal 2035141
36 Base36 24in1d

Cryptographic Hash Functions

md5 1319c659d50a2ca777553d923d986b99
sha1 e473589e8ba30c54d490cd0a732a36a391d386f2
sha256 a553aa9475665c42acacecd635fd2f95b00017f50724177cc01eea00faf01be1
sha512 4f03f7e106b587f0fe587b7707c515563a78149cc5824c09a6cb0d0ddcc626a74ec184205e48227359670da88fc9300853f005827976d8822e728fb3705cf35c
ripemd-160 40e18c392915638678399fd58dfe9173cd7bce8b

128520481 as geometric shapes

Circle

Radius = n
Diameter 257040962
Circumference 807517997.89085
Area 5.1891300752545E+16

Sphere

Radius = n
Volume 8.8921265765769E+24
Surface area 2.0756520301018E+17
Circumference 807517997.89085

Square

Length = n
Perimeter 514081924
Area 16517514036471361
Diagonal 181755407.27291

Cube

Length = n
Surface area 99105084218828166
Volume 2.1228388488916E+24
Space diagonal 222604002.90519

Equilateral Triangle

Length = n
Perimeter 385561443
Area 7.1522933814751E+15
Altitude 111302001.4526

Triangular Pyramid

Length = n
Surface area 7.1522933814751E+15
Volume 2.5017895756958E+23
Height 60585135.757638