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

20684990 (number)

20684990 is an even 8-digits composite number following 20684989 and preceding 20684991. In scientific notation, it is written as 2.0684990 × 10^7. The sum of its digits is 38. It has a total of 3 prime factors and 8 positive divisors. There are 8273992 positive integers (up to 20684990) that are relatively prime to 20684990.

Interesting facts

20684990 has 8 divisors, whose sum is 37233000
The reverse of 20684990 is 09948602
Previous prime number is 5

Basic properties

Is Prime? no
Number parity even
Number length 8
Sum of Digits 38
Digital Root 2

Name

Name	twenty million six hundred eighty-four thousand nine hundred ninety

Notation

Scientific notation	2.0684990 × 10^7
Engineering notation	2.0684990 × 10^6

Prime Factorization of 20684990

Prime Factorization 2 × 5 × 2068499

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	20684990	Product of the distinct prime numbers

The prime factorization of 20684990 is 2 × 5 × 2068499. Since it has a total of 3 prime factors.

Most popular turbo-numbers

6, 5, 58, 20, 773, 683, 6861, 7159, 49499, 54590, 492407, 869169, 1800620, 5033949, 19882266, 91004957, 682441092, 997959857, 7903247202, 1745071659

Basic calculations (n = 20684990)

Multiplication

n×y

n×2	41369980
n×3	62054970
n×4	82739960
n×5	103424950

Division

n÷y

n÷2	10342495
n÷3	6894996.6666667
n÷3	5171247.5
n÷5	4136998

Exponentiation

n^y

n²	427868811300100
n³	8.8504620830545E+21
n⁴	1.8307171968336E+29
n⁵	3.7868366909331E+36

Nth Root

^y√n

²√n	4548.0754171407
³√n	274.50595594479
⁴√n	67.439420349976
⁵√n	29.048991738163

Divisors of 20684990

1, 2, 5, 10, 2068499, 4136998, 10342495, 20684990

8 divisors

τ	Total Divisors	8	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-20684989	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.125	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	8	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20684990 can be divided by 8 positive divisors. The sum of these divisors (counting 20684990) is 1, the average is 0.125.

Base conversion 20684990

Base	System	Value
2	Binary	1001110111010000010111110
3	Ternary	1102220220110202
4	Quaternary	1032322002332
5	Quinary	20243404430
6	Senary	2015203502
8	Octal	116720276
10	Decimal	20684990
12	Duodecimal	6b16592
16	Hexadecimal	13ba0be
20	Vigesimal	695c9a
36	Base36	cbcn2

Cryptographic Hash Functions

md5	5469656a1e3becd85b4619870de3ebeb
sha1	915eb2dd7b839946b9c67b3a3fbf38277cf3412b
sha256	2a399e5456ecdced55c335f18ab8aacc3f594e99db5f43373799c56cd04f8f1b
sha512	05419e92ed70f493b318becbcde37dd5dd2bc2d10858ee7157f2dbc909bc39d7e101eb6a000575ef9eb793abc95d6547cfa2d3e72685666b67e3ad0608b450d9
ripemd-160	7c49a056e23223c1261d281dcbdcf915ea34be8d

20684990 as geometric shapes

Circle

Radius = n

Diameter	41369980
Circumference	129967625.24716
Area	1.3441895142806E+15

Sphere

Radius = n

Volume	3.7072728881332E+22
Surface area	5.3767580571224E+15
Circumference	129967625.24716

Square

Length = n

Perimeter	82739960
Area	427868811300100
Diagonal	29252993.395552

Cube

Length = n

Surface area	2567212867800600
Volume	8.8504620830545E+21
Space diagonal	35827453.634054

Equilateral Triangle

Length = n

Perimeter	62054970
Area	1.8527263003647E+14
Altitude	17913726.817027

Triangular Pyramid

Length = n

Surface area	1.8527263003647E+14
Volume	1.0430369592604E+21
Height	9750997.7985173