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

20018971 (number)

20018971 is an odd 8-digits composite number following 20018970 and preceding 20018972. In scientific notation, it is written as 2.0018971 × 10^7. The sum of its digits is 28. It has a total of 3 prime factors and 8 positive divisors. There are 17115840 positive integers (up to 20018971) that are relatively prime to 20018971.

Interesting facts

20018971 has 8 divisors, whose sum is 22936544
The reverse of 20018971 is 17981002
Previous prime number is 421

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 28
Digital Root 1

Name

Name	twenty million eighteen thousand nine hundred seventy-one

Notation

Scientific notation	2.0018971 × 10^7
Engineering notation	2.0018971 × 10^6

Prime Factorization of 20018971

Prime Factorization 7 × 421 × 6793

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	20018971	Product of the distinct prime numbers

The prime factorization of 20018971 is 7 × 421 × 6793. Since it has a total of 3 prime factors.

Most popular turbo-numbers

1, 1, 98, 89, 751, 113, 7675, 6948, 4564, 39521, 361344, 349916, 6330388, 3387315, 40268335, 6386315, 836767520, 923066003, 9591329027, 9150168171

Basic calculations (n = 20018971)

Multiplication

n×y

n×2	40037942
n×3	60056913
n×4	80075884
n×5	100094855

Division

n÷y

n÷2	10009485.5
n÷3	6672990.3333333
n÷3	5004742.75
n÷5	4003794.2

Exponentiation

n^y

n²	400759199898841
n³	8.0227868007581E+21
n⁴	1.6060793630356E+29
n⁵	3.2152056192308E+36

Nth Root

^y√n

²√n	4474.2564745441
³√n	271.52755989824
⁴√n	66.889883200258
⁵√n	28.859469934404

Divisors of 20018971

1, 7, 421, 2947, 6793, 47551, 2859853, 20018971

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	-20018970	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 20018971 can be divided by 8 positive divisors. The sum of these divisors (counting 20018971) is 1, the average is 0.125.

Base conversion 20018971

Base	System	Value
2	Binary	1001100010111011100011011
3	Ternary	1101200001212101
4	Quaternary	1030113130123
5	Quinary	20111101341
6	Senary	1553024231
8	Octal	114273433
10	Decimal	20018971
12	Duodecimal	6855077
16	Hexadecimal	131771b
20	Vigesimal	65278b
36	Base36	bx2qj

Cryptographic Hash Functions

md5	7dde4bac76c8641e0317198cdcf76969
sha1	515f51f19701e0dce56eecb9744fae727c077aaa
sha256	5f8d198ee87aae7a18e8016cb964c60ecaf15a593debe3c136a1c6fdc2b6c2da
sha512	599e80dc827ee8b10c198617446597e519be1c83c519ca2923ee75e09dff953692928e16091dba86bc997abd44a8c7f69cd7b445b070007389a7f416aad832e6
ripemd-160	e233502a1411736869f96cc0b73767779acab3a1

20018971 as geometric shapes

Circle

Radius = n

Diameter	40037942
Circumference	125782904.45205
Area	1.2590221582607E+15

Sphere

Radius = n

Volume	3.3605770766105E+22
Surface area	5.0360886330429E+15
Circumference	125782904.45205

Square

Length = n

Perimeter	80075884
Area	400759199898841
Diagonal	28311100.292954

Cube

Length = n

Surface area	2404555199393046
Volume	8.0227868007581E+21
Space diagonal	34673874.887248

Equilateral Triangle

Length = n

Perimeter	60056913
Area	1.7353382395636E+14
Altitude	17336937.443624

Triangular Pyramid

Length = n

Surface area	1.7353382395636E+14
Volume	9.45494491805E+20
Height	9437033.4309846