128520489 (number)

128520489 is an odd 9-digits composite number following 128520488 and preceding 128520490. In scientific notation, it is written as 1.28520489 × 10^8. The sum of its digits is 39. It has a total of 4 prime factors and 16 positive divisors. There are 82238016 positive integers (up to 128520489) that are relatively prime to 128520489.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.28520489 × 10^8
Engineering notation 1.28520489 × 10^6

Prime Factorization of 128520489

Prime Factorization 3 × 29 × 173 × 8539

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 128520489
Product of the distinct prime numbers

The prime factorization of 128520489 is 3 × 29 × 173 × 8539. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 128520489)

Multiplication

n×y
n×2 257040978
n×3 385561467
n×4 514081956
n×5 642602445

Division

n÷y
n÷2 64260244.5
n÷3 42840163
n÷3 32130122.25
n÷5 25704097.8

Exponentiation

ny
n2 16517516092799121
n3 2.1228392453119E+24
n4 2.7282833787588E+32
n5 3.5064031396865E+40

Nth Root

y√n
2√n 11336.687743781
3√n 504.65059515182
4√n 106.47388291868
5√n 41.859542154323

Divisors of 128520489

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 -128520488
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 128520489 can be divided by 16 positive divisors. The sum of these divisors (counting 128520489) is 1, the average is 0.0625.

Base conversion 128520489

Base System Value
2 Binary 111101010010001000100101001
3 Ternary 22221211111222010
4 Quaternary 13222101010221
5 Quinary 230400123424
6 Senary 20430350133
8 Octal 752210451
10 Decimal 128520489
12 Duodecimal 3705b349
16 Hexadecimal 7a91129
20 Vigesimal 2035149
36 Base36 24in1l

Cryptographic Hash Functions

md5 b00612d5465ce8c8ce320e11001796fd
sha1 4cb6de34a49b2b331290692c72e24ddbf40e5d7a
sha256 f86a05ba8f895e9b78c124626f61c6d3562559d95733b5d85b11002c332fe7b1
sha512 31694970be83f99c61a69533131fc40f0192ed539de6d8e74813479f7072af48651178816a311a91f6415f84ced96a5cce763fce36e8071b627c3461e7183e2c
ripemd-160 b0173cb8eccaccee6b89a6ed95fce78cf5176d0b

128520489 as geometric shapes

Circle

Radius = n
Diameter 257040978
Circumference 807518048.15634
Area 5.1891307212689E+16

Sphere

Radius = n
Volume 8.8921282370987E+24
Surface area 2.0756522885076E+17
Circumference 807518048.15634

Square

Length = n
Perimeter 514081956
Area 16517516092799121
Diagonal 181755418.58662

Cube

Length = n
Surface area 99105096556794726
Volume 2.1228392453119E+24
Space diagonal 222604016.7616

Equilateral Triangle

Length = n
Perimeter 385561467
Area 7.1522942718912E+15
Altitude 111302008.3808

Triangular Pyramid

Length = n
Surface area 7.1522942718912E+15
Volume 2.5017900428816E+23
Height 60585139.528874