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

128540 (number)

128540 is an even 6-digits composite number following 128539 and preceding 128541. In scientific notation, it is written as 1.28540 × 10^5. The sum of its digits is 20. It has a total of 4 prime factors and 12 positive divisors. There are 51408 positive integers (up to 128540) that are relatively prime to 128540.

Interesting facts

128540 has 12 divisors, whose sum is 269976
The reverse of 128540 is 045821
Previous prime number is 5

Basic properties

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

Name

Name	one hundred twenty-eight thousand five hundred forty

Notation

Scientific notation	1.28540 × 10^5
Engineering notation	1.28540 × 10^3

Prime Factorization of 128540

Prime Factorization 2 × 2 × 5 × 6427

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	4	Total number of prime factors
rad	Radical	64270	Product of the distinct prime numbers

The prime factorization of 128540 is 2 × 2 × 5 × 6427. Since it has a total of 4 prime factors.

Most popular turbo-numbers

1, 5, 79, 24, 637, 437, 6711, 8679, 69027, 51502, 444155, 19972, 3285859, 4335559, 2155169, 38937845, 890689395, 865424848, 8397146234, 1546877015

Basic calculations (n = 128540)

Multiplication

n×y

n×2	257080
n×3	385620
n×4	514160
n×5	642700

Division

n÷y

n÷2	64270
n÷3	42846.666666667
n÷3	32135
n÷5	25708

Exponentiation

n^y

n²	16522531600
n³	2123806211864000
n⁴	2.72994050473E+20
n⁵	3.5090655247799E+25

Nth Root

^y√n

²√n	358.52475507278
³√n	50.467613126055
⁴√n	18.934749934255
⁵√n	10.514960827812

Divisors of 128540

1, 2, 4, 5, 10, 20, 6427, 12854, 25708, 32135, 64270, 128540

12 divisors

τ	Total Divisors	12	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-128539	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.083333333333333	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	12	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 128540 can be divided by 12 positive divisors. The sum of these divisors (counting 128540) is 1, the average is 0.083333333333333.

Base conversion 128540

Base	System	Value
2	Binary	11111011000011100
3	Ternary	20112022202
4	Quaternary	133120130
5	Quinary	13103130
6	Senary	2431032
8	Octal	373034
10	Decimal	128540
12	Duodecimal	62478
16	Hexadecimal	1f61c
20	Vigesimal	g170
36	Base36	2r6k

Cryptographic Hash Functions

md5	38cca13de983feb12dac1d5181de5cfe
sha1	38913fece733f1f91294ef6c2b560346b89beb07
sha256	ebdad232d3eb73d4b2e28ca6ac7a1c3654b7312cc3646640cb2134968708205c
sha512	28bf6442166d4b3036c295b31016b214667068129d067159289df049093235a3e334984f809c8a5ba62f4259434a1b5c63ea67be1dca337a9421110e73fedb2c
ripemd-160	05f0411ead3ca0178817a8db1f145718d9001abc

128540 as geometric shapes

Circle

Radius = n

Diameter	257080
Circumference	807640.63938486
Area	51907063893.265

Sphere

Radius = n

Volume	8.8961786571204E+15
Surface area	207628255573.06
Circumference	807640.63938486

Square

Length = n

Perimeter	514160
Area	16522531600
Diagonal	181783.01130744

Cube

Length = n

Surface area	99135189600
Volume	2123806211864000
Space diagonal	222637.8108049

Equilateral Triangle

Length = n

Perimeter	385620
Area	7154466050.2156
Altitude	111318.90540245

Triangular Pyramid

Length = n

Surface area	7154466050.2156
Volume	2.5029296238919E+14
Height	60594.337102479