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

128439 (number)

128439 is an odd 6-digits composite number following 128438 and preceding 128440. In scientific notation, it is written as 1.28439 × 10^5. The sum of its digits is 27. It has a total of 3 prime factors and 8 positive divisors. There are 83160 positive integers (up to 128439) that are relatively prime to 128439.

Interesting facts

128439 has 8 divisors, whose sum is 137088
The reverse of 128439 is 934821
Previous prime number is 67

Basic properties

Is Prime? no
Number parity odd
Number length 6
Sum of Digits 27
Digital Root 9

Name

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

Notation

Scientific notation	1.28439 × 10^5
Engineering notation	1.28439 × 10^3

Prime Factorization of 128439

Prime Factorization 27 × 67 × 71

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	128439	Product of the distinct prime numbers

The prime factorization of 128439 is 27 × 67 × 71. Since it has a total of 3 prime factors.

Most popular turbo-numbers

1, 2, 2, 12, 480, 370, 772, 6738, 91168, 99182, 980923, 13764, 769623, 6880644, 57036273, 25290090, 758438715, 757325787, 7344957578, 5061575466

Basic calculations (n = 128439)

Multiplication

n×y

n×2	256878
n×3	385317
n×4	513756
n×5	642195

Division

n÷y

n÷2	64219.5
n÷3	42813
n÷3	32109.75
n÷5	25687.8

Exponentiation

n^y

n²	16496576721
n³	2118803817468519
n⁴	2.7213704351184E+20
n⁵	3.4953009731617E+25

Nth Root

^y√n

²√n	358.383872405
³√n	50.45439139338
⁴√n	18.931029354079
⁵√n	10.513307887108

Divisors of 128439

1, 27, 67, 71, 1809, 1917, 4757, 128439

8 divisors

τ	Total Divisors	8	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-128438	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.125	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	8	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 128439 can be divided by 8 positive divisors. The sum of these divisors (counting 128439) is 1, the average is 0.125.

Base conversion 128439

Base	System	Value
2	Binary	11111010110110111
3	Ternary	20112012000
4	Quaternary	133112313
5	Quinary	13102224
6	Senary	2430343
8	Octal	372667
10	Decimal	128439
12	Duodecimal	623b3
16	Hexadecimal	1f5b7
20	Vigesimal	g11j
36	Base36	2r3r

Cryptographic Hash Functions

md5	bf035fe908df8e23597b6bc1d8503fb6
sha1	5eee3b4415168e84b69cb5454c1f529009a0a702
sha256	a4bef82c1a608cc1ce95aa5d5e430c905fc83434c8a5c41e13f88c6ee8ea203d
sha512	d3c5d8a94f80f362164d8c6b182dd6f5f6dc21f03be74067804ba689e4e1cd2d4b6bf3fa11769f6a34a422990e3fd08b5800bd808f3dcae8063a564672302bd3
ripemd-160	d6f516f1cefd9270e1c89773cae24b68a66f84f4

128439 as geometric shapes

Circle

Radius = n

Diameter	256878
Circumference	807006.03766884
Area	51825524236.074

Sphere

Radius = n

Volume	8.8752246764761E+15
Surface area	207302096944.3
Circumference	807006.03766884

Square

Length = n

Perimeter	513756
Area	16496576721
Diagonal	181640.17573764

Cube

Length = n

Surface area	98979460326
Volume	2118803817468519
Space diagonal	222462.87367334

Equilateral Triangle

Length = n

Perimeter	385317
Area	7143227257.9325
Altitude	111231.43683667

Triangular Pyramid

Length = n

Surface area	7143227257.9325
Volume	2.4970342455599E+14
Height	60546.725245879