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

128565 (number)

128565 is an odd 6-digits composite number following 128564 and preceding 128566. In scientific notation, it is written as 1.28565 × 10^5. The sum of its digits is 27. It has a total of 4 prime factors and 12 positive divisors. There are 68544 positive integers (up to 128565) that are relatively prime to 128565.

Interesting facts

128565 has 12 divisors, whose sum is 222924
The reverse of 128565 is 565821
Previous prime number is 3

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 five hundred sixty-five

Notation

Scientific notation	1.28565 × 10^5
Engineering notation	1.28565 × 10^3

Prime Factorization of 128565

Prime Factorization 5 × 3 × 3 × 2857

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	4	Total number of prime factors
rad	Radical	42855	Product of the distinct prime numbers

The prime factorization of 128565 is 5 × 3 × 3 × 2857. Since it has a total of 4 prime factors.

Most popular turbo-numbers

3, 7, 43, 46, 561, 72, 5398, 2111, 72440, 44566, 423456, 272566, 4306096, 49875, 88732979, 70421457, 847540643, 967235506, 3692110568, 239941424

Basic calculations (n = 128565)

Multiplication

n×y

n×2	257130
n×3	385695
n×4	514260
n×5	642825

Division

n÷y

n÷2	64282.5
n÷3	42855
n÷3	32141.25
n÷5	25713

Exponentiation

n^y

n²	16528959225
n³	2125045642762125
n⁴	2.7320649306171E+20
n⁵	3.5124792780479E+25

Nth Root

^y√n

²√n	358.55961847369
³√n	50.470884762746
⁴√n	18.935670531399
⁵√n	10.51536981112

Divisors of 128565

1, 3, 5, 9, 15, 45, 2857, 8571, 14285, 25713, 42855, 128565

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	-128564	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 128565 can be divided by 12 positive divisors. The sum of these divisors (counting 128565) is 1, the average is 0.083333333333333.

Base conversion 128565

Base	System	Value
2	Binary	11111011000110101
3	Ternary	20112100200
4	Quaternary	133120311
5	Quinary	13103230
6	Senary	2431113
8	Octal	373065
10	Decimal	128565
12	Duodecimal	62499
16	Hexadecimal	1f635
20	Vigesimal	g185
36	Base36	2r79

Cryptographic Hash Functions

md5	be897698b4a7b7bd72a247ef509c31fb
sha1	ceaf282b3d655f4a6734d803a39cec0043168d90
sha256	4dc4d94bd9bd9d889557afbaf43a6c7225fd598dc4b1cdeb6ba00bcdcee917ce
sha512	5f5cf6df6afa65ae2c28bfd2ec89ce9b83f813fef32ae2d5c945a6826ff0c957eba7116f6b951cbea6ecb8174f533eaa390a2161934643e983baadd6ee0f5132
ripemd-160	aa4e2e69dff2704b2adaa196984aaeb26ffcc0be

128565 as geometric shapes

Circle

Radius = n

Diameter	257130
Circumference	807797.71901754
Area	51927256872.745

Sphere

Radius = n

Volume	8.901370373126E+15
Surface area	207709027490.98
Circumference	807797.71901754

Square

Length = n

Perimeter	514260
Area	16528959225
Diagonal	181818.3666465

Cube

Length = n

Surface area	99173755350
Volume	2125045642762125
Space diagonal	222681.11207509

Equilateral Triangle

Length = n

Perimeter	385695
Area	7157249293.4836
Altitude	111340.55603755

Triangular Pyramid

Length = n

Surface area	7157249293.4836
Volume	2.5043903072134E+14
Height	60606.122215499