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

128908 (number)

128908 is an even 6-digits composite number following 128907 and preceding 128909. In scientific notation, it is written as 1.28908 × 10^5. The sum of its digits is 28. It has a total of 5 prime factors and 24 positive divisors. There are 57024 positive integers (up to 128908) that are relatively prime to 128908.

Interesting facts

128908 has 24 divisors, whose sum is 253232
The reverse of 128908 is 809821
Previous prime number is 37

Basic properties

Is Prime? no
Number parity even
Number length 6
Sum of Digits 28
Digital Root 1

Name

Name	one hundred twenty-eight thousand nine hundred eight

Notation

Scientific notation	1.28908 × 10^5
Engineering notation	1.28908 × 10^3

Prime Factorization of 128908

Prime Factorization 2 × 2 × 13 × 37 × 67

Composite number

ω	Distinct Factors	4	Total number of distinct prime factors
Ω	Total Factors	5	Total number of prime factors
rad	Radical	64454	Product of the distinct prime numbers

The prime factorization of 128908 is 2 × 2 × 13 × 37 × 67. Since it has a total of 5 prime factors.

Most popular turbo-numbers

9, 2, 41, 89, 961, 752, 7117, 262, 42717, 51762, 731806, 300293, 2320113, 8564523, 79257193, 32680412, 482825556, 836395661, 7599800713, 9987063779

Basic calculations (n = 128908)

Multiplication

n×y

n×2	257816
n×3	386724
n×4	515632
n×5	644540

Division

n÷y

n÷2	64454
n÷3	42969.333333333
n÷3	32227
n÷5	25781.6

Exponentiation

n^y

n²	16617272464
n³	2142099358789312
n⁴	2.7613374414281E+20
n⁵	3.5595848689962E+25

Nth Root

^y√n

²√n	359.03760248754
³√n	50.515728852138
⁴√n	18.948287587208
⁵√n	10.520974647547

Divisors of 128908

1, 2, 4, 13, 26, 37, 52, 67, 74, 134, 148, 268, 481, 871, 962, 1742, 1924, 2479, 3484, 4958, 9916, 32227, 64454, 128908

24 divisors

τ	Total Divisors	24	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-128907	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.041666666666667	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	24	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 128908 can be divided by 24 positive divisors. The sum of these divisors (counting 128908) is 1, the average is 0.041666666666667.

Base conversion 128908

Base	System	Value
2	Binary	11111011110001100
3	Ternary	20112211101
4	Quaternary	133132030
5	Quinary	13111113
6	Senary	2432444
8	Octal	373614
10	Decimal	128908
12	Duodecimal	62724
16	Hexadecimal	1f78c
20	Vigesimal	g258
36	Base36	2rgs

Cryptographic Hash Functions

md5	0275179550ba578e7071f6f7c89575bc
sha1	a6d0fc764d0c9176f64f16c159030911531d84d3
sha256	d1904f226a3802be3da3c5dc1bb5c18c956722850ed9a8b3e82edf6c97db6723
sha512	8a70e513175a6027193fec533d1cdf1e365d3ffd36d79a05f92423520fa6b3ef1749903225ad53eb7906d2baa116166b696f3092e2c8787abed2461bd60ce511
ripemd-160	86c712733002121b3e01411297ae0ccbdd0d0938

128908 as geometric shapes

Circle

Radius = n

Diameter	257816
Circumference	809952.85157791
Area	52204701095.602

Sphere

Radius = n

Volume	8.9728048117759E+15
Surface area	208818804382.41
Circumference	809952.85157791

Square

Length = n

Perimeter	515632
Area	16617272464
Diagonal	182303.44189839

Cube

Length = n

Surface area	99703634784
Volume	2142099358789312
Space diagonal	223275.20550209

Equilateral Triangle

Length = n

Perimeter	386724
Area	7195490047.7158
Altitude	111637.60275104

Triangular Pyramid

Length = n

Surface area	7195490047.7158
Volume	2.5244883042921E+14
Height	60767.81396613