128520 (number)

128520 is an even 6-digits composite number following 128519 and preceding 128521. In scientific notation, it is written as 1.28520 × 10^5. The sum of its digits is 18. It has a total of 8 prime factors and 128 positive divisors. There are 27648 positive integers (up to 128520) that are relatively prime to 128520.

Interesting facts

Basic properties

Name

Name one hundred twenty-eight thousand five hundred twenty

Notation

Scientific notation 1.28520 × 10^5
Engineering notation 1.28520 × 10^3

Prime Factorization of 128520

Prime Factorization 2 × 2 × 2 × 5 × 3 × 7 × 9 × 17

Composite number
ω Distinct Factors 6
Total number of distinct prime factors
Ω Total Factors 8
Total number of prime factors
rad Radical 32130
Product of the distinct prime numbers

The prime factorization of 128520 is 2 × 2 × 2 × 5 × 3 × 7 × 9 × 17. Since it has a total of 8 prime factors.

Most popular turbo-numbers

Basic calculations (n = 128520)

Multiplication

n×y
n×2 257040
n×3 385560
n×4 514080
n×5 642600

Division

n÷y
n÷2 64260
n÷3 42840
n÷3 32130
n÷5 25704

Exponentiation

ny
n2 16517390400
n3 2122815014208000
n4 2.7282418562601E+20
n5 3.5063364336655E+25

Nth Root

y√n
2√n 358.49686191095
3√n 50.464995511262
4√n 18.934013359849
5√n 10.514633595345

Divisors of 128520

128 divisors

τ Total Divisors 128
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -128519
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0078125
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 128
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 128520 can be divided by 128 positive divisors. The sum of these divisors (counting 128520) is 1, the average is 0.0078125.

Base conversion 128520

Base System Value
2 Binary 11111011000001000
3 Ternary 20112022000
4 Quaternary 133120020
5 Quinary 13103040
6 Senary 2431000
8 Octal 373010
10 Decimal 128520
12 Duodecimal 62460
16 Hexadecimal 1f608
20 Vigesimal g160
36 Base36 2r60

Cryptographic Hash Functions

md5 e301f4b956cea261b4a279396f397c63
sha1 7abaee8799769757c21f941f4cb3932a5b63fe19
sha256 92bf319029333b1a1bc1d013d3c031775deff2544cdc47e9dd8a0f60e40ecee8
sha512 cd911bf20fdb7d7d64baa94eb340457d9c1de34643d8a705fe3af6ea8a395b0f817fb9540a9aded5ce3bd884b15d83ab9c4fda25710c3d984e2d896908cf2485
ripemd-160 560a70e116ed760721cda43fc72ba47b9fb60a06

128520 as geometric shapes

Circle

Radius = n
Diameter 257040
Circumference 807514.97567872
Area 51890912337.115

Sphere

Radius = n
Volume 8.892026738088E+15
Surface area 207563649348.46
Circumference 807514.97567872

Square

Length = n
Perimeter 514080
Area 16517390400
Diagonal 181754.72703619

Cube

Length = n
Surface area 99104342400
Volume 2122815014208000
Space diagonal 222603.16978875

Equilateral Triangle

Length = n
Perimeter 385560
Area 7152239845.3126
Altitude 111301.58489438

Triangular Pyramid

Length = n
Surface area 7152239845.3126
Volume 2.5017614862518E+14
Height 60584.909012063