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

128918 (number)

128918 is an even 6-digits composite number following 128917 and preceding 128919. In scientific notation, it is written as 1.28918 × 10^5. The sum of its digits is 29. It has a total of 3 prime factors and 8 positive divisors. There are 63504 positive integers (up to 128918) that are relatively prime to 128918.

Interesting facts

128918 has 8 divisors, whose sum is 196248
The reverse of 128918 is 819821
Previous prime number is 73

Basic properties

Is Prime? no
Number parity even
Number length 6
Sum of Digits 29
Digital Root 2

Name

Name	one hundred twenty-eight thousand nine hundred eighteen

Notation

Scientific notation	1.28918 × 10^5
Engineering notation	1.28918 × 10^3

Prime Factorization of 128918

Prime Factorization 2 × 73 × 883

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	128918	Product of the distinct prime numbers

The prime factorization of 128918 is 2 × 73 × 883. Since it has a total of 3 prime factors.

Most popular turbo-numbers

7, 5, 79, 54, 473, 227, 5739, 706, 46035, 50573, 673412, 800107, 8828804, 3858301, 81393026, 24306731, 417116965, 834567521, 8614419921, 1699806527

Basic calculations (n = 128918)

Multiplication

n×y

n×2	257836
n×3	386754
n×4	515672
n×5	644590

Division

n÷y

n÷2	64459
n÷3	42972.666666667
n÷3	32229.5
n÷5	25783.6

Exponentiation

n^y

n²	16619850724
n³	2142597915636632
n⁴	2.7621943808804E+20
n⁵	3.5609657519434E+25

Nth Root

^y√n

²√n	359.05152833542
³√n	50.517035065941
⁴√n	18.948655053471
⁵√n	10.521137874782

Divisors of 128918

1, 2, 73, 146, 883, 1766, 64459, 128918

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	-128917	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 128918 can be divided by 8 positive divisors. The sum of these divisors (counting 128918) is 1, the average is 0.125.

Base conversion 128918

Base	System	Value
2	Binary	11111011110010110
3	Ternary	20112211202
4	Quaternary	133132112
5	Quinary	13111133
6	Senary	2432502
8	Octal	373626
10	Decimal	128918
12	Duodecimal	62732
16	Hexadecimal	1f796
20	Vigesimal	g25i
36	Base36	2rh2

Cryptographic Hash Functions

md5	587b1b844dc6505f4b55bb91eea9b659
sha1	a09bd277649260ed13125b62351a794600299695
sha256	e69b7c61c26be955e204bb416fda1243b1bbfdabcd500ae9f19670af2ca7c124
sha512	4f38b4dd2af0a23246e0af4013f4ce1d9fa29157837f6e050914dc8fe44fc1ad8da9c0b02c0a23d4a68ccf3af0b7672bc306e8d5d47367038eb5663464046282
ripemd-160	42c0be69b89764462735ffced3d56cc96a340a02

128918 as geometric shapes

Circle

Radius = n

Diameter	257836
Circumference	810015.68343098
Area	52212800938.277

Sphere

Radius = n

Volume	8.9748931618145E+15
Surface area	208851203753.11
Circumference	810015.68343098

Square

Length = n

Perimeter	515672
Area	16619850724
Diagonal	182317.58403401

Cube

Length = n

Surface area	99719104344
Volume	2142597915636632
Space diagonal	223292.52601016

Equilateral Triangle

Length = n

Perimeter	386754
Area	7196606467.0446
Altitude	111646.26300508

Triangular Pyramid

Length = n

Surface area	7196606467.0446
Volume	2.5250758591714E+14
Height	60772.528011338