Max	9223372036854775807
25835	Positive integer
0b10001100	Binary number
01771452	Octal number
0x129abf	Hex number
5.012 * 10^7	Scientific notation
2^4 * 5	Factorized form
*	Random number

128909 (number)

128909 is an odd 6-digits composite number following 128908 and preceding 128910. In scientific notation, it is written as 1.28909 × 10^5. The sum of its digits is 29. It has a total of 2 prime factors and 4 positive divisors. There are 117180 positive integers (up to 128909) that are relatively prime to 128909.

Interesting facts

128909 has 4 divisors, whose sum is 140640
The reverse of 128909 is 909821
Previous prime number is 11

Basic properties

Is Prime? no
Number parity odd
Number length 6
Sum of Digits 29
Digital Root 2

Name

Name	one hundred twenty-eight thousand nine hundred nine

Notation

Scientific notation	1.28909 × 10^5
Engineering notation	1.28909 × 10^3

Prime Factorization of 128909

Prime Factorization 11 × 11719

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	128909	Product of the distinct prime numbers

The prime factorization of 128909 is 11 × 11719. Since it has a total of 2 prime factors.

Most popular turbo-numbers

8, 4, 23, 3, 981, 594, 7112, 8781, 57024, 43345, 174354, 603879, 2181, 9020097, 58973238, 52147100, 279483252, 771940033, 1654623748, 3905824044

Basic calculations (n = 128909)

Multiplication

n×y

n×2	257818
n×3	386727
n×4	515636
n×5	644545

Division

n÷y

n÷2	64454.5
n÷3	42969.666666667
n÷3	32227.25
n÷5	25781.8

Exponentiation

n^y

n²	16617530281
n³	2142149210993429
n⁴	2.7614231263995E+20
n⁵	3.5597229380104E+25

Nth Root

^y√n

²√n	359.03899509663
³√n	50.515859476558
⁴√n	18.948324334796
⁵√n	10.520990970726

Divisors of 128909

1, 11, 11719, 128909

4 divisors

τ	Total Divisors	4	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-128908	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.25	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	4	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 128909 can be divided by 4 positive divisors. The sum of these divisors (counting 128909) is 1, the average is 0.25.

Base conversion 128909

Base	System	Value
2	Binary	11111011110001101
3	Ternary	20112211102
4	Quaternary	133132031
5	Quinary	13111114
6	Senary	2432445
8	Octal	373615
10	Decimal	128909
12	Duodecimal	62725
16	Hexadecimal	1f78d
20	Vigesimal	g259
36	Base36	2rgt

Cryptographic Hash Functions

md5	484d35d5dd8dccfc8c4a17aa33c9ee0f
sha1	b7cae7d8ae601080642ee0037c7b4198a9a0fd49
sha256	fa3f3b023555351be7ba27a813702114cdaf563a3586bb47904f2c222dd0f5ec
sha512	d55ef219be0ab6eaac9ae1239f0a0168b90454daf387edf071493f1413f12fa223556654ded462b77e6c1bf6e0ab8c0d276e93b52d5f45debed2624127ee4d5d
ripemd-160	ad92ecb3170bff8c91891489332f8f30a0c419bc

128909 as geometric shapes

Circle

Radius = n

Diameter	257818
Circumference	809959.13476321
Area	52205511051.596

Sphere

Radius = n

Volume	8.9730136322002E+15
Surface area	208822044206.38
Circumference	809959.13476321

Square

Length = n

Perimeter	515636
Area	16617530281
Diagonal	182304.85611195

Cube

Length = n

Surface area	99705181686
Volume	2142149210993429
Space diagonal	223276.9375529

Equilateral Triangle

Length = n

Perimeter	386727
Area	7195601685.7516
Altitude	111638.46877645

Triangular Pyramid

Length = n

Surface area	7195601685.7516
Volume	2.5245470556781E+14
Height	60768.285370651