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

128944909 (number)

128944909 is an odd 9-digits composite number following 128944908 and preceding 128944910. In scientific notation, it is written as 1.28944909 × 10^8. The sum of its digits is 46. It has a total of 2 prime factors and 4 positive divisors. There are 128918304 positive integers (up to 128944909) that are relatively prime to 128944909.

Interesting facts

128944909 has 4 divisors, whose sum is 128971516
The reverse of 128944909 is 909449821
Previous prime number is 6373

Basic properties

Is Prime? no
Number parity odd
Number length 9
Sum of Digits 46
Digital Root 1

Name

Name	one hundred twenty-eight million nine hundred forty-four thousand nine hundred nine

Notation

Scientific notation	1.28944909 × 10^8
Engineering notation	1.28944909 × 10^6

Prime Factorization of 128944909

Prime Factorization 6373 × 20233

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	128944909	Product of the distinct prime numbers

The prime factorization of 128944909 is 6373 × 20233. Since it has a total of 2 prime factors.

Most popular turbo-numbers

7, 4, 94, 58, 357, 169, 1161, 9581, 35228, 33534, 734882, 462914, 9642665, 9360667, 45820475, 57371375, 277307470, 405359757, 3438288030, 5054316175

Basic calculations (n = 128944909)

Multiplication

n×y

n×2	257889818
n×3	386834727
n×4	515779636
n×5	644724545

Division

n÷y

n÷2	64472454.5
n÷3	42981636.333333
n÷3	32236227.25
n÷5	25788981.8

Exponentiation

n^y

n²	16626789557018281
n³	2.1439398663919E+24
n⁴	2.7645013097337E+32
n⁵	3.56468369814E+40

Nth Root

^y√n

²√n	11355.391186569
³√n	505.2054962126
⁴√n	106.5616778517
⁵√n	41.887152701926

Divisors of 128944909

1, 6373, 20233, 128944909

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	-128944908	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 128944909 can be divided by 4 positive divisors. The sum of these divisors (counting 128944909) is 1, the average is 0.25.

Base conversion 128944909

Base	System	Value
2	Binary	111101011111000101100001101
3	Ternary	22222122002011101
4	Quaternary	13223320230031
5	Quinary	231002214114
6	Senary	20443423101
8	Octal	753705415
10	Decimal	128944909
12	Duodecimal	37224a91
16	Hexadecimal	7af8b0d
20	Vigesimal	205i259
36	Base36	24rqj1

Cryptographic Hash Functions

md5	b78c5fc4b10980c2dd4d4973eea8dab0
sha1	1438f08b32b634714b4870aff699c2ac5af5fdc5
sha256	623ca70ae096e3ce268c20cb3f2896303f3b0717685c2970272d2e528e014fe1
sha512	3bdf0e2f4c2c8976ed00fe66cd62b7a58c1fa342b2331b22963a2fc889ed5ebddd29baff8ed4da41949607121c087760ebc2712d6ca29b08797f6509b92b249d
ripemd-160	e1eda1fa4b2ec79800595b3c256199dec12003af

128944909 as geometric shapes

Circle

Radius = n

Diameter	257889818
Circumference	810184757.66441
Area	5.2234599925112E+16

Sphere

Radius = n

Volume	8.9805143119933E+24
Surface area	2.0893839970045E+17
Circumference	810184757.66441

Square

Length = n

Perimeter	515779636
Area	16626789557018281
Diagonal	182355639.10676

Cube

Length = n

Surface area	99760737342109686
Volume	2.1439398663919E+24
Space diagonal	223339133.76535

Equilateral Triangle

Length = n

Perimeter	386834727
Area	7.1996110698778E+15
Altitude	111669566.88267

Triangular Pyramid

Length = n

Surface area	7.1996110698778E+15
Volume	2.5266573633031E+23
Height	60785213.035588