128512400 (number)

128512400 is an even 9-digits composite number following 128512399 and preceding 128512401. In scientific notation, it is written as 1.28512400 × 10^8. The sum of its digits is 23. It has a total of 7 prime factors and 40 positive divisors. There are 50880000 positive integers (up to 128512400) that are relatively prime to 128512400.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.28512400 × 10^8
Engineering notation 1.28512400 × 10^6

Prime Factorization of 128512400

Prime Factorization 2 × 2 × 2 × 2 × 25 × 101 × 3181

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 16064050
Product of the distinct prime numbers

The prime factorization of 128512400 is 2 × 2 × 2 × 2 × 25 × 101 × 3181. Since it has a total of 7 prime factors.

Most popular turbo-numbers

Basic calculations (n = 128512400)

Multiplication

n×y
n×2 257024800
n×3 385537200
n×4 514049600
n×5 642562000

Division

n÷y
n÷2 64256200
n÷3 42837466.666667
n÷3 32128100
n÷5 25702480

Exponentiation

ny
n2 16515436953760000
n3 2.1224384399764E+24
n4 2.7275965777362E+32
n5 3.5052998243667E+40

Nth Root

y√n
2√n 11336.330976114
3√n 504.64000746436
4√n 106.47220752907
5√n 41.859015218324

Divisors of 128512400

40 divisors

τ Total Divisors 40
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -128512399
Sum of the proper positive divisors of n
A Arithmetic Mean 0.025
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 40
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 128512400 can be divided by 40 positive divisors. The sum of these divisors (counting 128512400) is 1, the average is 0.025.

Base conversion 128512400

Base System Value
2 Binary 111101010001111000110010000
3 Ternary 22221211002212112
4 Quaternary 13222033012100
5 Quinary 230344344100
6 Senary 20430244452
8 Octal 752170620
10 Decimal 128512400
12 Duodecimal 37056728
16 Hexadecimal 7a8f190
20 Vigesimal 2034100
36 Base36 24igsw

Cryptographic Hash Functions

md5 881b59b5fdc07ed18fd50fe5ca97e012
sha1 7867098fb42db4bd80976242afe6d7e39d606eeb
sha256 ab82a1379bcf2d0ec63eaaf4c4e3250b888d55609a25cf18b414981dc4137667
sha512 98f6b9c294df441021d9baf3993008678024097ac1879a87f531e3e4fe054ea8450a8eeb483641fb8f121b4489555310d7a1f30be6c62e9b7935ca191a0839c5
ripemd-160 04459472da5dcda82c03f9bfea6739f8e9cbb48e

128512400 as geometric shapes

Circle

Radius = n
Diameter 257024800
Circumference 807467223.47039
Area 5.1884775404758E+16

Sphere

Radius = n
Volume 8.8904493476352E+24
Surface area 2.0753910161903E+17
Circumference 807467223.47039

Square

Length = n
Perimeter 514049600
Area 16515436953760000
Diagonal 181743979.01312

Cube

Length = n
Surface area 99092621722560000
Volume 2.1224384399764E+24
Space diagonal 222590006.20261

Equilateral Triangle

Length = n
Perimeter 385537200
Area 7.1513939782782E+15
Altitude 111295003.10131

Triangular Pyramid

Length = n
Surface area 7.1513939782782E+15
Volume 2.5013176892638E+23
Height 60581326.337705