128250 (number)

128250 is an even 6-digits composite number following 128249 and preceding 128251. In scientific notation, it is written as 1.28250 × 10^5. The sum of its digits is 18. It has a total of 5 prime factors and 24 positive divisors. There are 32400 positive integers (up to 128250) that are relatively prime to 128250.

Interesting facts

Basic properties

Name

Name one hundred twenty-eight thousand two hundred fifty

Notation

Scientific notation 1.28250 × 10^5
Engineering notation 1.28250 × 10^3

Prime Factorization of 128250

Prime Factorization 2 × 135 × 5 × 5 × 19

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 25650
Product of the distinct prime numbers

The prime factorization of 128250 is 2 × 135 × 5 × 5 × 19. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 128250)

Multiplication

n×y
n×2 256500
n×3 384750
n×4 513000
n×5 641250

Division

n÷y
n÷2 64125
n÷3 42750
n÷3 32062.5
n÷5 25650

Exponentiation

ny
n2 16448062500
n3 2109464015625000
n4 2.7053876000391E+20
n5 3.4696595970501E+25

Nth Root

y√n
2√n 358.1200915894
3√n 50.429631101984
4√n 18.924061181189
5√n 10.510211964851

Divisors of 128250

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -128249
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 128250 can be divided by 24 positive divisors. The sum of these divisors (counting 128250) is 1, the average is 0.041666666666667.

Base conversion 128250

Base System Value
2 Binary 11111010011111010
3 Ternary 20111221000
4 Quaternary 133103322
5 Quinary 13101000
6 Senary 2425430
8 Octal 372372
10 Decimal 128250
12 Duodecimal 62276
16 Hexadecimal 1f4fa
20 Vigesimal g0ca
36 Base36 2qyi

Cryptographic Hash Functions

md5 70e2d251b880ad39287b3355784f8c91
sha1 c64c7f06491de0ab6f987992bccfefc72c082d5e
sha256 9f4b3d88ddf91f9a6e6a5e27b253f5e848d7d208244bfbd713f625ac8fc58964
sha512 d8383ba4e146466da5e641541c0df96d3e5e9bc44b41a440a694ceff26ec3d8cf41d273403a48b4f5b6ba3035fb21eb71ba55eb4d37f92b13801060ad0cfd921
ripemd-160 5b9c5ab5aa248d983329e98c393600b08129b4b2

128250 as geometric shapes

Circle

Radius = n
Diameter 256500
Circumference 805818.51564578
Area 51673112315.786

Sphere

Radius = n
Volume 8.8361022059994E+15
Surface area 206692449263.14
Circumference 805818.51564578

Square

Length = n
Perimeter 513000
Area 16448062500
Diagonal 181372.88937435

Cube

Length = n
Surface area 98688375000
Volume 2109464015625000
Space diagonal 222135.51607071

Equilateral Triangle

Length = n
Perimeter 384750
Area 7122219984.0171
Altitude 111067.75803535

Triangular Pyramid

Length = n
Surface area 7122219984.0171
Volume 2.4860271835291E+14
Height 60457.62979145