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

20990986 (number)

20990986 is an even 8-digits composite number following 20990985 and preceding 20990987. In scientific notation, it is written as 2.0990986 × 10^7. The sum of its digits is 43. It has a total of 2 prime factors and 4 positive divisors. There are 10495492 positive integers (up to 20990986) that are relatively prime to 20990986.

Interesting facts

20990986 has 4 divisors, whose sum is 31486482
The reverse of 20990986 is 68909902
Previous prime number is 2

Basic properties

Is Prime? no
Number parity even
Number length 8
Sum of Digits 43
Digital Root 7

Name

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

Notation

Scientific notation	2.0990986 × 10^7
Engineering notation	2.0990986 × 10^6

Prime Factorization of 20990986

Prime Factorization 2 × 10495493

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	20990986	Product of the distinct prime numbers

The prime factorization of 20990986 is 2 × 10495493. Since it has a total of 2 prime factors.

Most popular turbo-numbers

1, 9, 76, 8, 863, 236, 9300, 4520, 17462, 58684, 476174, 809837, 1078458, 5977860, 31486205, 19028195, 309201712, 440071786, 7674808857, 1123657875

Basic calculations (n = 20990986)

Multiplication

n×y

n×2	41981972
n×3	62972958
n×4	83963944
n×5	104954930

Division

n÷y

n÷2	10495493
n÷3	6996995.3333333
n÷3	5247746.5
n÷5	4198197.2

Exponentiation

n^y

n²	440621493252196
n³	9.2490795961559E+21
n⁴	1.941473003158E+29
n⁵	4.0753432628666E+36

Nth Root

^y√n

²√n	4581.5920813621
³√n	275.85293747683
⁴√n	67.687458818913
⁵√n	29.134432819723

Divisors of 20990986

1, 2, 10495493, 20990986

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	-20990985	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 20990986 can be divided by 4 positive divisors. The sum of these divisors (counting 20990986) is 1, the average is 0.25.

Base conversion 20990986

Base	System	Value
2	Binary	1010000000100110000001010
3	Ternary	1110111110012221
4	Quaternary	1100010300022
5	Quinary	20333202421
6	Senary	2025524254
8	Octal	120046012
10	Decimal	20990986
12	Duodecimal	704368a
16	Hexadecimal	1404c0a
20	Vigesimal	6b3h96
36	Base36	chwqy

Cryptographic Hash Functions

md5	2de493618c1aa26d5066347b3f843e7e
sha1	b46193dc209327ed57793d5759573f058e7ac03a
sha256	28ad2046c5117e7d873f68291a89a7477dfea09437af7fe8ff67c5b17331f2ff
sha512	558f9ffdfd90f6719a1b309d3fca0e3895650c9263cec033a1215f6e3377d837c1bb7136c4cb106f41bc3ab9bd27b44cddc3212ece498ad274abd7257f31b6ab
ripemd-160	14850b4ce778ffa3a7cc3f05e82aaa440bd03fe6

20990986 as geometric shapes

Circle

Radius = n

Diameter	41981972
Circumference	131890254.81841
Area	1.3842532462149E+15

Sphere

Radius = n

Volume	3.8742454015668E+22
Surface area	5.5370129848595E+15
Circumference	131890254.81841

Square

Length = n

Perimeter	83963944
Area	440621493252196
Diagonal	29685737.088784

Cube

Length = n

Surface area	2643728959513176
Volume	9.2490795961559E+21
Space diagonal	36357454.252967

Equilateral Triangle

Length = n

Perimeter	62972958
Area	1.9079470330492E+14
Altitude	18178727.126483

Triangular Pyramid

Length = n

Surface area	1.9079470330492E+14
Volume	1.090014483696E+21
Height	9895245.6962613