128431 (number)

128431 is an odd 6-digits prime number following 128430 and preceding 128432. In scientific notation, it is written as 1.28431 × 10^5. The sum of its digits is 19. It has a total of 1 prime factors and 2 positive divisors. There are 128430 positive integers (up to 128431) that are relatively prime to 128431.

Interesting facts

Basic properties

Name

Name one hundred twenty-eight thousand four hundred thirty-one

Notation

Scientific notation 1.28431 × 10^5
Engineering notation 1.28431 × 10^3

Prime Factorization of 128431

Prime Factorization 128431

Composite number
ω Distinct Factors 1
Total number of distinct prime factors
Ω Total Factors 1
Total number of prime factors
rad Radical 128431
Product of the distinct prime numbers

The prime factorization of 128431 is 128431. Since it has a total of 1 prime factors.

Most popular turbo-numbers

Basic calculations (n = 128431)

Multiplication

n×y
n×2 256862
n×3 385293
n×4 513724
n×5 642155

Division

n÷y
n÷2 64215.5
n÷3 42810.333333333
n÷3 32107.75
n÷5 25686.2

Exponentiation

ny
n2 16494521761
n3 2118407924286991
n4 2.720692481241E+20
n5 3.4942125605827E+25

Nth Root

y√n
2√n 358.37271101466
3√n 50.453343831213
4√n 18.930734560884
5√n 10.513176916673

Divisors of 128431

2 divisors

τ Total Divisors 2
Total number of the positive divisors of n
σ Sum of Divisors 128432
Sum of all the positive divisors of n
s Aliquot Sum 1
Sum of the proper positive divisors of n
A Arithmetic Mean 64216
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 358.37410620747
Returns the nth root of the product of n divisors
H Harmonic Mean 1.999984427557
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 128431 can be divided by 2 positive divisors. The sum of these divisors (counting 128431) is 128432, the average is 64216.

Base conversion 128431

Base System Value
2 Binary 11111010110101111
3 Ternary 20112011201
4 Quaternary 133112233
5 Quinary 13102211
6 Senary 2430331
8 Octal 372657
10 Decimal 128431
12 Duodecimal 623a7
16 Hexadecimal 1f5af
20 Vigesimal g11b
36 Base36 2r3j

Cryptographic Hash Functions

md5 07e0ab0a9145b9c28f12592237a902a8
sha1 c88dd7b19605c091b8967e8c0bd0c6f670f68816
sha256 f7a6fe7be30a48e3e5f10a1c0a67fcb3b9069a992d8022d07d5bbce6e7c92128
sha512 5bea3881e1843cd3d1787809c073e995e1e8992041268840e48978fad4f16c3c3950a4ba23af04c356c57457e6d59138dbad8c908dcfb343507a2e23bdac94d5
ripemd-160 a1bfc11c8ef50f2652c4e56508fe394fdc116b2e

128431 as geometric shapes

Circle

Radius = n
Diameter 256862
Circumference 806955.77218638
Area 51819068388.835

Sphere

Radius = n
Volume 8.8735663629952E+15
Surface area 207276273555.34
Circumference 806955.77218638

Square

Length = n
Perimeter 513724
Area 16494521761
Diagonal 181628.86202914

Cube

Length = n
Surface area 98967130566
Volume 2118407924286991
Space diagonal 222449.01726688

Equilateral Triangle

Length = n
Perimeter 385293
Area 7142337434.1506
Altitude 111224.50863344

Triangular Pyramid

Length = n
Surface area 7142337434.1506
Volume 2.4965676809711E+14
Height 60542.954009713