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

20505909 (number)

20505909 is an odd 8-digits composite number following 20505908 and preceding 20505910. In scientific notation, it is written as 2.0505909 × 10^7. The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors. There are 13653360 positive integers (up to 20505909) that are relatively prime to 20505909.

Interesting facts

20505909 has 8 divisors, whose sum is 27375712
The reverse of 20505909 is 90950502
Previous prime number is 883

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3

Name

Name	twenty million five hundred five thousand nine hundred nine

Notation

Scientific notation	2.0505909 × 10^7
Engineering notation	2.0505909 × 10^6

Prime Factorization of 20505909

Prime Factorization 3 × 883 × 7741

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	20505909	Product of the distinct prime numbers

The prime factorization of 20505909 is 3 × 883 × 7741. Since it has a total of 3 prime factors.

Most popular turbo-numbers

7, 9, 49, 86, 593, 145, 9914, 6421, 55091, 98742, 65248, 549428, 713490, 3254173, 78357506, 10529391, 217281522, 15520192, 6757383188, 9003458108

Basic calculations (n = 20505909)

Multiplication

n×y

n×2	41011818
n×3	61517727
n×4	82023636
n×5	102529545

Division

n÷y

n÷2	10252954.5
n÷3	6835303
n÷3	5126477.25
n÷5	4101181.8

Exponentiation

n^y

n²	420492303916281
n³	8.6225769193076E+21
n⁴	1.7681377765282E+29
n⁵	3.625727234495E+36

Nth Root

^y√n

²√n	4528.3450619404
³√n	273.71147724224
⁴√n	67.292979291605
⁵√n	28.998518117821

Divisors of 20505909

1, 3, 883, 2649, 7741, 23223, 6835303, 20505909

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	-20505908	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 20505909 can be divided by 8 positive divisors. The sum of these divisors (counting 20505909) is 1, the average is 0.125.

Base conversion 20505909

Base	System	Value
2	Binary	1001110001110010100110101
3	Ternary	1102120210211010
4	Quaternary	1032032110311
5	Quinary	20222142114
6	Senary	2011302433
8	Octal	116162465
10	Decimal	20505909
12	Duodecimal	6a4aa19
16	Hexadecimal	138e535
20	Vigesimal	6834f9
36	Base36	c7igl

Cryptographic Hash Functions

md5	8922f4f6922869aa21250f1af0e12009
sha1	1232f6681ae3dcc09c75b65220db21b7497ffb93
sha256	5f95aac7226c55824a45fa947606a6d18aba3e7266c741db7ed3f621930a727d
sha512	bd5b1aa2fc473acbadde24f09dd9efab7e94125cd2b9424a6fb3ce2b3f402ab6429f617ac2c4575161e04318076a3c4f9d8a479e4831b982d5dcea13f533eeb6
ripemd-160	ee87bfe70e4c5eeec8ea034c40d8ed758bba8ac1

20505909 as geometric shapes

Circle

Radius = n

Diameter	41011818
Circumference	128842426.13916
Area	1.3210155328744E+15

Sphere

Radius = n

Volume	3.6118165739613E+22
Surface area	5.2840621314977E+15
Circumference	128842426.13916

Square

Length = n

Perimeter	82023636
Area	420492303916281
Diagonal	28999734.616589

Cube

Length = n

Surface area	2522953823497686
Volume	8.6225769193076E+21
Space diagonal	35517276.243384

Equilateral Triangle

Length = n

Perimeter	61517727
Area	1.8207850864367E+14
Altitude	17758638.121692

Triangular Pyramid

Length = n

Surface area	1.8207850864367E+14
Volume	1.0161804351575E+21
Height	9666578.2055295