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

20809849 (number)

20809849 is an odd 8-digits composite number following 20809848 and preceding 20809850. In scientific notation, it is written as 2.0809849 × 10^7. The sum of its digits is 40. It has a total of 2 prime factors and 4 positive divisors. There are 20092240 positive integers (up to 20809849) that are relatively prime to 20809849.

Interesting facts

20809849 has 4 divisors, whose sum is 21527460
The reverse of 20809849 is 94890802
Previous prime number is 29

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 40
Digital Root 4

Name

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

Notation

Scientific notation	2.0809849 × 10^7
Engineering notation	2.0809849 × 10^6

Prime Factorization of 20809849

Prime Factorization 29 × 717581

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	20809849	Product of the distinct prime numbers

The prime factorization of 20809849 is 29 × 717581. Since it has a total of 2 prime factors.

Most popular turbo-numbers

7, 3, 99, 51, 110, 587, 5788, 7209, 84815, 85958, 860104, 221428, 4070177, 2758860, 72148303, 50639661, 160529320, 556674700, 5330349703, 7936126853

Basic calculations (n = 20809849)

Multiplication

n×y

n×2	41619698
n×3	62429547
n×4	83239396
n×5	104049245

Division

n÷y

n÷2	10404924.5
n÷3	6936616.3333333
n÷3	5202462.25
n÷5	4161969.8

Exponentiation

n^y

n²	433049815402801
n³	9.0117012680102E+21
n⁴	1.875321426204E+29
n⁵	3.902515570577E+36

Nth Root

^y√n

²√n	4561.7813406607
³√n	275.05717378741
⁴√n	67.540960465933
⁵√n	29.083976548286

Divisors of 20809849

1, 29, 717581, 20809849

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	-20809848	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 20809849 can be divided by 4 positive divisors. The sum of these divisors (counting 20809849) is 1, the average is 0.25.

Base conversion 20809849

Base	System	Value
2	Binary	1001111011000100001111001
3	Ternary	1110011020202011
4	Quaternary	1033120201321
5	Quinary	20311403344
6	Senary	2022005521
8	Octal	117304171
10	Decimal	20809849
12	Duodecimal	6b768a1
16	Hexadecimal	13d8879
20	Vigesimal	6a14c9
36	Base36	ce0zd

Cryptographic Hash Functions

md5	535bd1d6da31a7ed5de8d066d099a499
sha1	2a75f48665016c32592e1c32ad1b6816c0fe096f
sha256	168ae30732b5c1deaee74eb35ace775c5ae6b8f7b32db4e33f78bbbff897f8a3
sha512	0a5ac13e426e2c2f55062897dee22f951ad8ea3daa004cbac9fec31682904f962705ab68b4875e4652f46d58f2af490c6ca487df61f8bf5401bae95651e360c2
ripemd-160	9c469c735dd88ef733a5872ba99d44bdae60eb1c

20809849 as geometric shapes

Circle

Radius = n

Diameter	41619698
Circumference	130752137.48143
Area	1.3604661187079E+15

Sphere

Radius = n

Volume	3.7748125999902E+22
Surface area	5.4418644748314E+15
Circumference	130752137.48143

Square

Length = n

Perimeter	83239396
Area	433049815402801
Diagonal	29429570.686736

Cube

Length = n

Surface area	2598298892416806
Volume	9.0117012680102E+21
Space diagonal	36043715.765836

Equilateral Triangle

Length = n

Perimeter	62429547
Area	1.8751607062149E+14
Altitude	18021857.882918

Triangular Pyramid

Length = n

Surface area	1.8751607062149E+14
Volume	1.0620391794396E+21
Height	9809856.8955787