128904 (number)

128904 is an even 6-digits composite number following 128903 and preceding 128905. In scientific notation, it is written as 1.28904 × 10^5. The sum of its digits is 24. It has a total of 6 prime factors and 32 positive divisors. There are 41600 positive integers (up to 128904) that are relatively prime to 128904.

Interesting facts

Basic properties

Name

Name one hundred twenty-eight thousand nine hundred four

Notation

Scientific notation 1.28904 × 10^5
Engineering notation 1.28904 × 10^3

Prime Factorization of 128904

Prime Factorization 2 × 2 × 2 × 3 × 131 × 41

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 32226
Product of the distinct prime numbers

The prime factorization of 128904 is 2 × 2 × 2 × 3 × 131 × 41. Since it has a total of 6 prime factors.

Most popular turbo-numbers

Basic calculations (n = 128904)

Multiplication

n×y
n×2 257808
n×3 386712
n×4 515616
n×5 644520

Division

n÷y
n÷2 64452
n÷3 42968
n÷3 32226
n÷5 25780.8

Exponentiation

ny
n2 16616241216
n3 2141899957707264
n4 2.760994721483E+20
n5 3.5590326357804E+25

Nth Root

y√n
2√n 359.03203199715
3√n 50.515206347702
4√n 18.948140594717
5√n 10.520909353817

Divisors of 128904

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 -128903
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 128904 can be divided by 32 positive divisors. The sum of these divisors (counting 128904) is 1, the average is 0.03125.

Base conversion 128904

Base System Value
2 Binary 11111011110001000
3 Ternary 20112211020
4 Quaternary 133132020
5 Quinary 13111104
6 Senary 2432440
8 Octal 373610
10 Decimal 128904
12 Duodecimal 62720
16 Hexadecimal 1f788
20 Vigesimal g254
36 Base36 2rgo

Cryptographic Hash Functions

md5 4c7ae79c18cb3c2f3e1fa98185b2d78d
sha1 3f664ea2a9bb064ba1ab8e3649c76dc2038a9c67
sha256 e90837a0e9b37dfcf040610f7967b4db34b647e9d5bb2f83107f3e53bc6fb8ca
sha512 46ae84a32195c4e97e723552ea91e99d202e7e0cfbe66d14f2e0fd2646223c0c3809f1a7d6dccec6e836f8da00b54ea1e40196c1bcf2e64834e6610d7a825423
ripemd-160 07da6675838a5970d808a9deb0cedf5ddcd48ba3

128904 as geometric shapes

Circle

Radius = n
Diameter 257808
Circumference 809927.71883668
Area 52201461334.462

Sphere

Radius = n
Volume 8.9719695624766E+15
Surface area 208805845337.85
Circumference 809927.71883668

Square

Length = n
Perimeter 515616
Area 16616241216
Diagonal 182297.78504414

Cube

Length = n
Surface area 99697447296
Volume 2141899957707264
Space diagonal 223268.27729886

Equilateral Triangle

Length = n
Perimeter 386712
Area 7195043504.233
Altitude 111634.13864943

Triangular Pyramid

Length = n
Surface area 7195043504.233
Volume 2.5242533078633E+14
Height 60765.928348047