128280 (number)

128280 is an even 6-digits composite number following 128279 and preceding 128281. In scientific notation, it is written as 1.28280 × 10^5. The sum of its digits is 21. It has a total of 6 prime factors and 32 positive divisors. There are 34176 positive integers (up to 128280) that are relatively prime to 128280.

Interesting facts

Basic properties

Name

Name one hundred twenty-eight thousand two hundred eighty

Notation

Scientific notation 1.28280 × 10^5
Engineering notation 1.28280 × 10^3

Prime Factorization of 128280

Prime Factorization 2 × 2 × 2 × 3 × 5 × 1069

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 32070
Product of the distinct prime numbers

The prime factorization of 128280 is 2 × 2 × 2 × 3 × 5 × 1069. Since it has a total of 6 prime factors.

Most popular turbo-numbers

Basic calculations (n = 128280)

Multiplication

n×y
n×2 256560
n×3 384840
n×4 513120
n×5 641400

Division

n÷y
n÷2 64140
n÷3 42760
n÷3 32070
n÷5 25656

Exponentiation

ny
n2 16455758400
n3 2110944687552000
n4 2.7079198451917E+20
n5 3.4737195774119E+25

Nth Root

y√n
2√n 358.16197453108
3√n 50.433562930404
4√n 18.925167754371
5√n 10.510703624673

Divisors of 128280

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -128279
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 128280 can be divided by 32 positive divisors. The sum of these divisors (counting 128280) is 1, the average is 0.03125.

Base conversion 128280

Base System Value
2 Binary 11111010100011000
3 Ternary 20111222010
4 Quaternary 133110120
5 Quinary 13101110
6 Senary 2425520
8 Octal 372430
10 Decimal 128280
12 Duodecimal 622a0
16 Hexadecimal 1f518
20 Vigesimal g0e0
36 Base36 2qzc

Cryptographic Hash Functions

md5 13a46a9755aaf4910265020174fbe66d
sha1 d5ed885625061496e6fbd2472887577788dd3188
sha256 e4f76b2b6cf6d57cb620767d14d21cb4b627255d9aaa3ad15031bfe0d43e3d0f
sha512 c2542bbfff49dbda75ccc542c508dd49722b21dda6e616c1f94e140e9ac9766f6d5761f490dd7b03f3d4faf54e9656a2d7e023cf296f3109d301c2360797e037
ripemd-160 08095ff644d67984ca7b473f28f7eda8ce83d814

128280 as geometric shapes

Circle

Radius = n
Diameter 256560
Circumference 806007.011205
Area 51697289698.689

Sphere

Radius = n
Volume 8.8423044300637E+15
Surface area 206789158794.75
Circumference 806007.011205

Square

Length = n
Perimeter 513120
Area 16455758400
Diagonal 181415.31578122

Cube

Length = n
Surface area 98734550400
Volume 2110944687552000
Space diagonal 222187.47759494

Equilateral Triangle

Length = n
Perimeter 384840
Area 7125552406.4696
Altitude 111093.73879747

Triangular Pyramid

Length = n
Surface area 7125552406.4696
Volume 2.4877721721296E+14
Height 60471.771927074