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

128213909 (number)

128213909 is an odd 9-digits composite number following 128213908 and preceding 128213910. In scientific notation, it is written as 1.28213909 × 10^8. The sum of its digits is 35. It has a total of 2 prime factors and 4 positive divisors. There are 127569420 positive integers (up to 128213909) that are relatively prime to 128213909.

Interesting facts

128213909 has 4 divisors, whose sum is 128858400
The reverse of 128213909 is 909312821
Previous prime number is 199

Basic properties

Is Prime? no
Number parity odd
Number length 9
Sum of Digits 35
Digital Root 8

Name

Name	one hundred twenty-eight million two hundred thirteen thousand nine hundred nine

Notation

Scientific notation	1.28213909 × 10^8
Engineering notation	1.28213909 × 10^6

Prime Factorization of 128213909

Prime Factorization 199 × 644291

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	128213909	Product of the distinct prime numbers

The prime factorization of 128213909 is 199 × 644291. Since it has a total of 2 prime factors.

Most popular turbo-numbers

3, 4, 84, 22, 569, 445, 6349, 8162, 9917, 7593, 152037, 70334, 4079674, 2434462, 33127534, 99631922, 365283937, 389254139, 2128338568, 2759449847

Basic calculations (n = 128213909)

Multiplication

n×y

n×2	256427818
n×3	384641727
n×4	512855636
n×5	641069545

Division

n÷y

n÷2	64106954.5
n÷3	42737969.666667
n÷3	32053477.25
n÷5	25642781.8

Exponentiation

n^y

n²	16438806461060281
n³	2.107683635667E+24
n⁴	2.702343578642E+32
n⁵	3.4647803367874E+40

Nth Root

^y√n

²√n	11323.15808421
³√n	504.24900168727
⁴√n	106.41032884175
⁵√n	41.839552250148

Divisors of 128213909

1, 199, 644291, 128213909

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	-128213908	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 128213909 can be divided by 4 positive divisors. The sum of these divisors (counting 128213909) is 1, the average is 0.25.

Base conversion 128213909

Base	System	Value
2	Binary	111101001000110001110010101
3	Ternary	22221020221102022
4	Quaternary	13221012032111
5	Quinary	230310321114
6	Senary	20420022525
8	Octal	751061625
10	Decimal	128213909
12	Duodecimal	36b31a45
16	Hexadecimal	7a46395
20	Vigesimal	2016ef9
36	Base36	24c2hh

Cryptographic Hash Functions

md5	278aba6d1f6df1587d391bb9b6aba133
sha1	be5af6c0458048468027d02b81f94e6f67824737
sha256	2aa482a61502d4a474b32e419e6aa3c492c1c31e35c8295d05672b295ddba94c
sha512	4d676589fc7d6dc3ae9aa9971d448287f9c405ef09a593debb9a1b1df02918dc9b43858e05a614e7a701f8ab1eaa0fb007b98221f57fe3d3448dd76fd93f8ac0
ripemd-160	e059ff319b4af5b1b14f4c721e7a4e68ce08c19e

128213909 as geometric shapes

Circle

Radius = n

Diameter	256427818
Circumference	805591749.20486
Area	5.1644033611851E+16

Sphere

Radius = n

Volume	8.8286445678705E+24
Surface area	2.0657613444741E+17
Circumference	805591749.20486

Square

Length = n

Perimeter	512855636
Area	16438806461060281
Diagonal	181321848.99267

Cube

Length = n

Surface area	98632838766361686
Volume	2.107683635667E+24
Space diagonal	222073004.62501

Equilateral Triangle

Length = n

Perimeter	384641727
Area	7.118212001587E+15
Altitude	111036502.31251

Triangular Pyramid

Length = n

Surface area	7.118212001587E+15
Volume	2.4839289856267E+23
Height	60440616.33089