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

20809986 (number)

20809986 is an even 8-digits composite number following 20809985 and preceding 20809987. In scientific notation, it is written as 2.0809986 × 10^7. The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors. There are 6635024 positive integers (up to 20809986) that are relatively prime to 20809986.

Interesting facts

20809986 has 16 divisors, whose sum is 43429824
The reverse of 20809986 is 68990802
Previous prime number is 23

Basic properties

Is Prime? no
Number parity even
Number length 8
Sum of Digits 42
Digital Root 6

Name

Name	twenty million eight hundred nine thousand nine hundred eighty-six

Notation

Scientific notation	2.0809986 × 10^7
Engineering notation	2.0809986 × 10^6

Prime Factorization of 20809986

Prime Factorization 2 × 3 × 23 × 150797

Composite number

ω	Distinct Factors	4	Total number of distinct prime factors
Ω	Total Factors	4	Total number of prime factors
rad	Radical	20809986	Product of the distinct prime numbers

The prime factorization of 20809986 is 2 × 3 × 23 × 150797. Since it has a total of 4 prime factors.

Most popular turbo-numbers

7, 7, 96, 5, 682, 944, 9012, 4455, 92758, 52218, 410857, 321239, 7286335, 783713, 13060583, 63819362, 468492426, 911835008, 2375755546, 1498116624

Basic calculations (n = 20809986)

Multiplication

n×y

n×2	41619972
n×3	62429958
n×4	83239944
n×5	104049930

Division

n÷y

n÷2	10404993
n÷3	6936662
n÷3	5202496.5
n÷5	4161997.2

Exponentiation

n^y

n²	433055517320196
n³	9.011879252656E+21
n⁴	1.8753708108146E+29
n⁵	3.9026440317861E+36

Nth Root

^y√n

²√n	4561.7963566998
³√n	275.05777739182
⁴√n	67.541071628305
⁵√n	29.084014842599

Divisors of 20809986

1, 2, 3, 6, 23, 46, 69, 138, 150797, 301594, 452391, 904782, 3468331, 6936662, 10404993, 20809986

16 divisors

τ	Total Divisors	16	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-20809985	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.0625	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	16	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20809986 can be divided by 16 positive divisors. The sum of these divisors (counting 20809986) is 1, the average is 0.0625.

Base conversion 20809986

Base	System	Value
2	Binary	1001111011000100100000010
3	Ternary	1110011020221020
4	Quaternary	1033120210002
5	Quinary	20311404421
6	Senary	2022010310
8	Octal	117304402
10	Decimal	20809986
12	Duodecimal	6b76996
16	Hexadecimal	13d8902
20	Vigesimal	6a14j6
36	Base36	ce136

Cryptographic Hash Functions

md5	be15ecd5ef33bf6a5d7f0b7c5771210f
sha1	d8dcf0bfe80d2331666965283766ad85d1a4c57b
sha256	2659a564c7724ea5ac0f46ae1980271d62c9a648fcceebbf148539aabf22de9f
sha512	dd867b0eaf9cd569f4473c2b71d01edd2fdd7d52a13e9350ac3938e38f697cb94bfb0861fc5e86ad8f081e765dec6b54ed499519d007b673233dad5a9787ff68
ripemd-160	9775b538c25ecf61c460f2155c0a6ed1ae90db21

20809986 as geometric shapes

Circle

Radius = n

Diameter	41619972
Circumference	130752998.27781
Area	1.3604840318097E+15

Sphere

Radius = n

Volume	3.7748871540243E+22
Surface area	5.4419361272386E+15
Circumference	130752998.27781

Square

Length = n

Perimeter	83239944
Area	433055517320196
Diagonal	29429764.433994

Cube

Length = n

Surface area	2598333103921176
Volume	9.011879252656E+21
Space diagonal	36043953.056797

Equilateral Triangle

Length = n

Perimeter	62429958
Area	1.8751853962415E+14
Altitude	18021976.528399

Triangular Pyramid

Length = n

Surface area	1.8751853962415E+14
Volume	1.0620601551312E+21
Height	9809921.4779981