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

128009 (number)

128009 is an odd 6-digits composite number following 128008 and preceding 128010. In scientific notation, it is written as 1.28009 × 10^5. The sum of its digits is 20. It has a total of 2 prime factors and 4 positive divisors. There are 109716 positive integers (up to 128009) that are relatively prime to 128009.

Interesting facts

128009 has 4 divisors, whose sum is 146304
The reverse of 128009 is 900821
Previous prime number is 7

Basic properties

Is Prime? no
Number parity odd
Number length 6
Sum of Digits 20
Digital Root 2

Name

Name	one hundred twenty-eight thousand nine

Notation

Scientific notation	1.28009 × 10^5
Engineering notation	1.28009 × 10^3

Prime Factorization of 128009

Prime Factorization 7 × 18287

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	128009	Product of the distinct prime numbers

The prime factorization of 128009 is 7 × 18287. Since it has a total of 2 prime factors.

Most popular turbo-numbers

1, 7, 100, 42, 143, 226, 6955, 2630, 60387, 90791, 124128, 920873, 279751, 9533923, 17659884, 97092521, 614467117, 552033883, 1120165058, 6383772420

Basic calculations (n = 128009)

Multiplication

n×y

n×2	256018
n×3	384027
n×4	512036
n×5	640045

Division

n÷y

n÷2	64004.5
n÷3	42669.666666667
n÷3	32002.25
n÷5	25601.8

Exponentiation

n^y

n²	16386304081
n³	2097594399104729
n⁴	2.68510961435E+20
n⁵	3.4371819662333E+25

Nth Root

^y√n

²√n	357.78345406125
³√n	50.398023144096
⁴√n	18.915164658582
⁵√n	10.506258955649

Divisors of 128009

1, 7, 18287, 128009

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	-128008	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 128009 can be divided by 4 positive divisors. The sum of these divisors (counting 128009) is 1, the average is 0.25.

Base conversion 128009

Base	System	Value
2	Binary	11111010000001001
3	Ternary	20111121002
4	Quaternary	133100021
5	Quinary	13044014
6	Senary	2424345
8	Octal	372011
10	Decimal	128009
12	Duodecimal	620b5
16	Hexadecimal	1f409
20	Vigesimal	g009
36	Base36	2qrt

Cryptographic Hash Functions

md5	d97e6a2403677f1f947f36a707668462
sha1	81c4f2c3121a83b2ba0678b5e34b193228593093
sha256	7eac7e9e6c68c3c972c0e496353a602da2bb15325509975dbc32e60805e963e8
sha512	3c20d2ab72755154309c83dd77a71ab4bbbc795fd291ee351747a1e1768ec683716a27436c47c74ec1e88f04cef8d8b081adcba2650a6ffa0617b63ccc4025f0
ripemd-160	0507254ffff92ae02cf1c9986ce8144e48ac725f

128009 as geometric shapes

Circle

Radius = n

Diameter	256018
Circumference	804304.26798675
Area	51479092520.358

Sphere

Radius = n

Volume	8.7863828725847E+15
Surface area	205916370081.43
Circumference	804304.26798675

Square

Length = n

Perimeter	512036
Area	16386304081
Diagonal	181032.06390582

Cube

Length = n

Surface area	98317824486
Volume	2097594399104729
Space diagonal	221718.09182608

Equilateral Triangle

Length = n

Perimeter	384027
Area	7095477804.1413
Altitude	110859.04591304

Triangular Pyramid

Length = n

Surface area	7095477804.1413
Volume	2.4720387063098E+14
Height	60344.021301939