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

20181321 (number)

20181321 is an odd 8-digits composite number following 20181320 and preceding 20181322. In scientific notation, it is written as 2.0181321 × 10^7. The sum of its digits is 18. It has a total of 2 prime factors and 4 positive divisors. There are 13454208 positive integers (up to 20181321) that are relatively prime to 20181321.

Interesting facts

20181321 has 4 divisors, whose sum is 22423700
The reverse of 20181321 is 12318102
Previous prime number is 9

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 18
Digital Root 9

Name

Name	twenty million one hundred eighty-one thousand three hundred twenty-one

Notation

Scientific notation	2.0181321 × 10^7
Engineering notation	2.0181321 × 10^6

Prime Factorization of 20181321

Prime Factorization 9 × 2242369

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	20181321	Product of the distinct prime numbers

The prime factorization of 20181321 is 9 × 2242369. Since it has a total of 2 prime factors.

Most popular turbo-numbers

7, 6, 86, 92, 213, 474, 7353, 5527, 56259, 86532, 893054, 800104, 7931921, 3522585, 3946412, 37570153, 227568910, 432425855, 6066660245, 1468381538

Basic calculations (n = 20181321)

Multiplication

n×y

n×2	40362642
n×3	60543963
n×4	80725284
n×5	100906605

Division

n÷y

n÷2	10090660.5
n÷3	6727107
n÷3	5045330.25
n÷5	4036264.2

Exponentiation

n^y

n²	407285717305041
n³	8.2195637996483E+21
n⁴	1.6588165552068E+29
n⁵	3.3477109380743E+36

Nth Root

^y√n

²√n	4492.3625187645
³√n	272.25959663319
⁴√n	67.025088726271
⁵√n	28.90612777328

Divisors of 20181321

1, 9, 2242369, 20181321

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	-20181320	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 20181321 can be divided by 4 positive divisors. The sum of these divisors (counting 20181321) is 1, the average is 0.25.

Base conversion 20181321

Base	System	Value
2	Binary	1001100111111000101001001
3	Ternary	1101222022120100
4	Quaternary	1030333011021
5	Quinary	20131300241
6	Senary	2000320013
8	Octal	114770511
10	Decimal	20181321
12	Duodecimal	6913009
16	Hexadecimal	133f149
20	Vigesimal	662d61
36	Base36	c0k09

Cryptographic Hash Functions

md5	0f07269220053d97aaf89504ba759056
sha1	38f924155f624435d56c92cc14f793b95af777cc
sha256	62cbc93e73e6a01f024f9364c558040cad5aea1e873fced38c14e1af03344a32
sha512	aa8b6244701d26043c7ca90953b1633c4de0da3142fcebc766ab7ada33aa043d5d238af1e201dd45ca5c8c7c7da0dae6c723554eb5743d7a728aec7e862538e9
ripemd-160	59ec1a6de2919bf3a900f8902cac295770039c02

20181321 as geometric shapes

Circle

Radius = n

Diameter	40362642
Circumference	126802979.58667
Area	1.2795258173976E+15

Sphere

Radius = n

Volume	3.4430028331584E+22
Surface area	5.1181032695903E+15
Circumference	126802979.58667

Square

Length = n

Perimeter	80725284
Area	407285717305041
Diagonal	28540697.864805

Cube

Length = n

Surface area	2443714303830246
Volume	8.2195637996483E+21
Space diagonal	34955073.335857

Equilateral Triangle

Length = n

Perimeter	60543963
Area	1.7635988889237E+14
Altitude	17477536.667928

Triangular Pyramid

Length = n

Surface area	1.7635988889237E+14
Volume	9.6868488352113E+20
Height	9513565.954935