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

20180021 (number)

20180021 is an odd 8-digits composite number following 20180020 and preceding 20180022. In scientific notation, it is written as 2.0180021 × 10^7. The sum of its digits is 14. It has a total of 2 prime factors and 4 positive divisors. There are 20170944 positive integers (up to 20180021) that are relatively prime to 20180021.

Interesting facts

20180021 has 4 divisors, whose sum is 20189100
The reverse of 20180021 is 12008102
Previous prime number is 3889

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 14
Digital Root 5

Name

Name	twenty million one hundred eighty thousand twenty-one

Notation

Scientific notation	2.0180021 × 10^7
Engineering notation	2.0180021 × 10^6

Prime Factorization of 20180021

Prime Factorization 3889 × 5189

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	20180021	Product of the distinct prime numbers

The prime factorization of 20180021 is 3889 × 5189. Since it has a total of 2 prime factors.

Most popular turbo-numbers

3, 8, 26, 73, 694, 494, 8197, 1640, 82501, 5863, 678759, 567100, 6423028, 4444522, 86332085, 9591870, 124826938, 965732653, 2749232227, 1878358929

Basic calculations (n = 20180021)

Multiplication

n×y

n×2	40360042
n×3	60540063
n×4	80720084
n×5	100900105

Division

n÷y

n÷2	10090010.5
n÷3	6726673.6666667
n÷3	5045005.25
n÷5	4036004.2

Exponentiation

n^y

n²	407233247560441
n³	8.2179754876679E+21
n⁴	1.6583891791862E+29
n⁵	3.3466328462151E+36

Nth Root

^y√n

²√n	4492.2178264194
³√n	272.25375054948
⁴√n	67.024009328146
⁵√n	28.905755360251

Divisors of 20180021

1, 3889, 5189, 20180021

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	-20180020	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 20180021 can be divided by 4 positive divisors. The sum of these divisors (counting 20180021) is 1, the average is 0.25.

Base conversion 20180021

Base	System	Value
2	Binary	1001100111110110000110101
3	Ternary	1101222020210012
4	Quaternary	1030332300311
5	Quinary	20131230041
6	Senary	2000310005
8	Octal	114766065
10	Decimal	20180021
12	Duodecimal	6912305
16	Hexadecimal	133ec35
20	Vigesimal	662a11
36	Base36	c0j05

Cryptographic Hash Functions

md5	9183f5c1757caa1d0352c99908074ad8
sha1	e923f0af8bcb4b2f90450de8152a1ba36be9c61f
sha256	a6b68ca23e42d7230930bd74e976fd552d482b4f385c91defa94ad732f6396c6
sha512	071507defe4cf6c8dea7c20220e32cd12c52ca327b1ee85fad74f15f024041747fc6891860664267f011026a7766bc16019791294d7b4b68c3c826fc0f0cba75
ripemd-160	de0136b1552a90db5264794251acb118193522d7

20180021 as geometric shapes

Circle

Radius = n

Diameter	40360042
Circumference	126794811.44578
Area	1.2793609788334E+15

Sphere

Radius = n

Volume	3.4423375225918E+22
Surface area	5.1174439153336E+15
Circumference	126794811.44578

Square

Length = n

Perimeter	80720084
Area	407233247560441
Diagonal	28538859.387174

Cube

Length = n

Surface area	2443399485362646
Volume	8.2179754876679E+21
Space diagonal	34952821.669807

Equilateral Triangle

Length = n

Perimeter	60540063
Area	1.7633716882649E+14
Altitude	17476410.834903

Triangular Pyramid

Length = n

Surface area	1.7633716882649E+14
Volume	9.6849769915913E+20
Height	9512953.129058