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

20091809 (number)

20091809 is an odd 8-digits composite number following 20091808 and preceding 20091810. In scientific notation, it is written as 2.0091809 × 10^7. The sum of its digits is 29. It has a total of 2 prime factors and 4 positive divisors. There are 19398960 positive integers (up to 20091809) that are relatively prime to 20091809.

Interesting facts

20091809 has 4 divisors, whose sum is 20784660
The reverse of 20091809 is 90819002
Previous prime number is 29

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 29
Digital Root 2

Name

Name	twenty million ninety-one thousand eight hundred nine

Notation

Scientific notation	2.0091809 × 10^7
Engineering notation	2.0091809 × 10^6

Prime Factorization of 20091809

Prime Factorization 29 × 692821

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	20091809	Product of the distinct prime numbers

The prime factorization of 20091809 is 29 × 692821. Since it has a total of 2 prime factors.

Most popular turbo-numbers

1, 7, 65, 15, 725, 364, 3791, 9145, 89047, 13927, 721849, 915567, 1478894, 8064689, 34348195, 78983729, 501999135, 706162892, 5167075874, 1058169104

Basic calculations (n = 20091809)

Multiplication

n×y

n×2	40183618
n×3	60275427
n×4	80367236
n×5	100459045

Division

n÷y

n÷2	10045904.5
n÷3	6697269.6666667
n÷3	5022952.25
n÷5	4018361.8

Exponentiation

n^y

n²	403680788892481
n³	8.110677307397E+21
n⁴	1.6295817932086E+29
n⁵	3.2741246139024E+36

Nth Root

^y√n

²√n	4482.3887604714
³√n	271.85647434433
⁴√n	66.950644212519
⁵√n	28.88044017737

Divisors of 20091809

1, 29, 692821, 20091809

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	-20091808	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 20091809 can be divided by 4 positive divisors. The sum of these divisors (counting 20091809) is 1, the average is 0.25.

Base conversion 20091809

Base	System	Value
2	Binary	1001100101001001110100001
3	Ternary	1101210202210002
4	Quaternary	1030221032201
5	Quinary	20120414214
6	Senary	1554345345
8	Octal	114511641
10	Decimal	20091809
12	Duodecimal	688b255
16	Hexadecimal	13293a1
20	Vigesimal	65b9a9
36	Base36	bymxt

Cryptographic Hash Functions

md5	bdd82e2999668d6932648fcb06c38bd6
sha1	b823baf8e616ba000c35472af43cc418577f8f63
sha256	c99667fb3468719f3331411328646dc234867f1fd6bf3096195e5eb1b8ffb0e3
sha512	07184acc2c98fb915f09c64aed1dd1c2d95a2b9a25873691b69cd279c8e998f6d94e1f4fa5c569fcf1b5f609016648415a22310450386c509d773d9e032b9ca0
ripemd-160	e2f04f3c8334dc5741c87f88a6d11cb2df403a45

20091809 as geometric shapes

Circle

Radius = n

Diameter	40183618
Circumference	126240559.10346
Area	1.26820060078E+15

Sphere

Radius = n

Volume	3.3973925659408E+22
Surface area	5.0728024031198E+15
Circumference	126240559.10346

Square

Length = n

Perimeter	80367236
Area	403680788892481
Diagonal	28414108.78041

Cube

Length = n

Surface area	2422084733354886
Volume	8.110677307397E+21
Space diagonal	34800034.00397

Equilateral Triangle

Length = n

Perimeter	60275427
Area	1.7479890910032E+14
Altitude	17400017.001985

Triangular Pyramid

Length = n

Surface area	1.7479890910032E+14
Volume	9.5585248734605E+20
Height	9471369.5934699