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

20809979 (number)

20809979 is an odd 8-digits composite number following 20809978 and preceding 20809980. In scientific notation, it is written as 2.0809979 × 10^7. The sum of its digits is 44. It has a total of 2 prime factors and 4 positive divisors. There are 20325984 positive integers (up to 20809979) that are relatively prime to 20809979.

Interesting facts

20809979 has 4 divisors, whose sum is 21293976
The reverse of 20809979 is 97990802
Previous prime number is 43

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 44
Digital Root 8

Name

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

Notation

Scientific notation	2.0809979 × 10^7
Engineering notation	2.0809979 × 10^6

Prime Factorization of 20809979

Prime Factorization 43 × 483953

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	20809979	Product of the distinct prime numbers

The prime factorization of 20809979 is 43 × 483953. Since it has a total of 2 prime factors.

Most popular turbo-numbers

6, 8, 70, 37, 546, 510, 6086, 9437, 95001, 23790, 412606, 772955, 6315566, 1029672, 84525669, 20808644, 980035838, 388137212, 3343427594, 2397721050

Basic calculations (n = 20809979)

Multiplication

n×y

n×2	41619958
n×3	62429937
n×4	83239916
n×5	104049895

Division

n÷y

n÷2	10404989.5
n÷3	6936659.6666667
n÷3	5202494.75
n÷5	4161995.8

Exponentiation

n^y

n²	433055225980441
n³	9.0118701584932E+21
n⁴	1.8753682874897E+29
n⁵	3.9026374679927E+36

Nth Root

^y√n

²√n	4561.7955894582
³√n	275.05774655079
⁴√n	67.541065948489
⁵√n	29.08401288596

Divisors of 20809979

1, 43, 483953, 20809979

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	-20809978	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 20809979 can be divided by 4 positive divisors. The sum of these divisors (counting 20809979) is 1, the average is 0.25.

Base conversion 20809979

Base	System	Value
2	Binary	1001111011000100011111011
3	Ternary	1110011020220222
4	Quaternary	1033120203323
5	Quinary	20311404404
6	Senary	2022010255
8	Octal	117304373
10	Decimal	20809979
12	Duodecimal	6b7698b
16	Hexadecimal	13d88fb
20	Vigesimal	6a14ij
36	Base36	ce12z

Cryptographic Hash Functions

md5	c67d87b4dfa7ea040c2c03035b5c3eae
sha1	9c8c946ec4a14fc8df906016fa9470522481b82e
sha256	0c9e65992388beba900a5df648a9bdabe95adf55cb23706f160028686b89d119
sha512	01f84961e2d1b47ee3b70ba84d989e6dbba65b54124f9985cc83443c8b5d03125e0f848712e1745156f67a17821759d185be42b1869e7c102ee57be91c17d58a
ripemd-160	c5f8a424ad8dd8d91054e2dd3b3a8e188933501b

20809979 as geometric shapes

Circle

Radius = n

Diameter	41619958
Circumference	130752954.29552
Area	1.3604831165388E+15

Sphere

Radius = n

Volume	3.7748833446703E+22
Surface area	5.4419324661553E+15
Circumference	130752954.29552

Square

Length = n

Perimeter	83239916
Area	433055225980441
Diagonal	29429754.534499

Cube

Length = n

Surface area	2598331355882646
Volume	9.0118701584932E+21
Space diagonal	36043940.932441

Equilateral Triangle

Length = n

Perimeter	62429937
Area	1.8751841347034E+14
Altitude	18021970.466221

Triangular Pyramid

Length = n

Surface area	1.8751841347034E+14
Volume	1.0620590833739E+21
Height	9809918.1781664