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

128465 (number)

128465 is an odd 6-digits composite number following 128464 and preceding 128466. In scientific notation, it is written as 1.28465 × 10^5. The sum of its digits is 26. It has a total of 2 prime factors and 4 positive divisors. There are 102768 positive integers (up to 128465) that are relatively prime to 128465.

Interesting facts

128465 has 4 divisors, whose sum is 154164
The reverse of 128465 is 564821
Previous prime number is 5

Basic properties

Is Prime? no
Number parity odd
Number length 6
Sum of Digits 26
Digital Root 8

Name

Name	one hundred twenty-eight thousand four hundred sixty-five

Notation

Scientific notation	1.28465 × 10^5
Engineering notation	1.28465 × 10^3

Prime Factorization of 128465

Prime Factorization 5 × 25693

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	128465	Product of the distinct prime numbers

The prime factorization of 128465 is 5 × 25693. Since it has a total of 2 prime factors.

Most popular turbo-numbers

10, 1, 47, 68, 107, 134, 4345, 647, 75570, 51874, 811906, 211074, 2133974, 2573638, 42457769, 40366030, 891510734, 159295177, 6004719414, 1740089621

Basic calculations (n = 128465)

Multiplication

n×y

n×2	256930
n×3	385395
n×4	513860
n×5	642325

Division

n÷y

n÷2	64232.5
n÷3	42821.666666667
n÷3	32116.25
n÷5	25693

Exponentiation

n^y

n²	16503256225
n³	2120090810944625
n⁴	2.72357466028E+20
n⁵	3.4988401873287E+25

Nth Root

^y√n

²√n	358.42014452316
³√n	50.457795670038
⁴√n	18.931987336863
⁵√n	10.513733495956

Divisors of 128465

1, 5, 25693, 128465

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	-128464	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 128465 can be divided by 4 positive divisors. The sum of these divisors (counting 128465) is 1, the average is 0.25.

Base conversion 128465

Base	System	Value
2	Binary	11111010111010001
3	Ternary	20112012222
4	Quaternary	133113101
5	Quinary	13102330
6	Senary	2430425
8	Octal	372721
10	Decimal	128465
12	Duodecimal	62415
16	Hexadecimal	1f5d1
20	Vigesimal	g135
36	Base36	2r4h

Cryptographic Hash Functions

md5	3ca429562481bd150c83ce9d2ae267f4
sha1	adb802bfebf5681ed137a6784b432b4c27cd2489
sha256	9b3c0d5dc6b16b0f0f396589b5087e2a2e9ae12db1254ec9b344beab7d23e1dc
sha512	be1dead5433d838d72c470cdc202f0f7d5a310c5dda17a438d3c430b68d889ecb7c5655f01600d10aad689366cab0c10caaa38e1ed1b4c87514759cd76661405
ripemd-160	68c0c244a783e601863343c9a77891ec7b6a2e82

128465 as geometric shapes

Circle

Radius = n

Diameter	256930
Circumference	807169.40048683
Area	51846508516.77

Sphere

Radius = n

Volume	8.8806156221425E+15
Surface area	207386034067.08
Circumference	807169.40048683

Square

Length = n

Perimeter	513860
Area	16503256225
Diagonal	181676.94529026

Cube

Length = n

Surface area	99019537350
Volume	2120090810944625
Space diagonal	222507.90699434

Equilateral Triangle

Length = n

Perimeter	385395
Area	7146119568.0068
Altitude	111253.95349717

Triangular Pyramid

Length = n

Surface area	7146119568.0068
Volume	2.4985509819171E+14
Height	60558.98176342