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

20809729 (number)

20809729 is an odd 8-digits prime number following 20809728 and preceding 20809730. In scientific notation, it is written as 2.0809729 × 10^7. The sum of its digits is 37. It has a total of 1 prime factors and 2 positive divisors. There are 20809728 positive integers (up to 20809729) that are relatively prime to 20809729.

Interesting facts

20809729 has 2 divisors, whose sum is 20809730
The reverse of 20809729 is 92790802
Previous prime number is 1

Basic properties

Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 37
Digital Root 1

Name

Name	twenty million eight hundred nine thousand seven hundred twenty-nine

Notation

Scientific notation	2.0809729 × 10^7
Engineering notation	2.0809729 × 10^6

Prime Factorization of 20809729

Prime Factorization 20809729

Composite number

ω	Distinct Factors	1	Total number of distinct prime factors
Ω	Total Factors	1	Total number of prime factors
rad	Radical	20809729	Product of the distinct prime numbers

The prime factorization of 20809729 is 20809729. Since it has a total of 1 prime factors.

Most popular turbo-numbers

5, 2, 11, 39, 556, 883, 4799, 8665, 46479, 42199, 496466, 761496, 7592724, 329041, 13673373, 61415250, 525652076, 200470425, 2117083644, 9575349251

Basic calculations (n = 20809729)

Multiplication

n×y

n×2	41619458
n×3	62429187
n×4	83238916
n×5	104048645

Division

n÷y

n÷2	10404864.5
n÷3	6936576.3333333
n÷3	5202432.25
n÷5	4161945.8

Exponentiation

n^y

n²	433044821053441
n³	9.0115453709756E+21
n⁴	1.8752781704121E+29
n⁵	3.9024030525891E+36

Nth Root

^y√n

²√n	4561.768187885
³√n	275.05664508064
⁴√n	67.54086309698
⁵√n	29.083943005657

Divisors of 20809729

1, 20809729

2 divisors

τ	Total Divisors	2	Total number of the positive divisors of n
σ	Sum of Divisors	20809730	Sum of all the positive divisors of n
s	Aliquot Sum	1	Sum of the proper positive divisors of n
A	Arithmetic Mean	10404865	Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G	Geometric Mean	4561.7682974917	Returns the nth root of the product of n divisors
H	Harmonic Mean	1.9999999038911	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20809729 can be divided by 2 positive divisors. The sum of these divisors (counting 20809729) is 20809730, the average is 10404865.

Base conversion 20809729

Base	System	Value
2	Binary	1001111011000100000000001
3	Ternary	1110011020120201
4	Quaternary	1033120200001
5	Quinary	20311402404
6	Senary	2022005201
8	Octal	117304001
10	Decimal	20809729
12	Duodecimal	6b76801
16	Hexadecimal	13d8801
20	Vigesimal	6a1469
36	Base36	ce0w1

Cryptographic Hash Functions

md5	033bcc572d1c687585c86687182f736e
sha1	592bf074e728bb5a2082c532ad9b0cfb079be698
sha256	257fa29bac86e9aa7cfbff55643cf32a705fa9603e67c44956bb849df658f804
sha512	981120fc37526513274d4845efccc664b2182e7078878304bdb93ae7de0b20aaa5902c578cb66e17ce8d0e62a30ae25cc430b7094f3c465c7e456a67d6251568
ripemd-160	e6352a6d89399a1a2eccdd3180ad627adb993759

20809729 as geometric shapes

Circle

Radius = n

Diameter	41619458
Circumference	130751383.49919
Area	1.3604504284966E+15

Sphere

Radius = n

Volume	3.7747472979931E+22
Surface area	5.4418017139864E+15
Circumference	130751383.49919

Square

Length = n

Perimeter	83238916
Area	433044821053441
Diagonal	29429400.981109

Cube

Length = n

Surface area	2598268926320646
Volume	9.0115453709756E+21
Space diagonal	36043507.919739

Equilateral Triangle

Length = n

Perimeter	62429187
Area	1.8751390800478E+14
Altitude	18021753.95987

Triangular Pyramid

Length = n

Surface area	1.8751390800478E+14
Volume	1.0620208067978E+21
Height	9809800.3270362