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

20181418 (number)

20181418 is an even 8-digits composite number following 20181417 and preceding 20181419. In scientific notation, it is written as 2.0181418 × 10^7. The sum of its digits is 25. It has a total of 2 prime factors and 4 positive divisors. There are 10090708 positive integers (up to 20181418) that are relatively prime to 20181418.

Interesting facts

20181418 has 4 divisors, whose sum is 30272130
The reverse of 20181418 is 81418102
Previous prime number is 2

Basic properties

Is Prime? no
Number parity even
Number length 8
Sum of Digits 25
Digital Root 7

Name

Name	twenty million one hundred eighty-one thousand four hundred eighteen

Notation

Scientific notation	2.0181418 × 10^7
Engineering notation	2.0181418 × 10^6

Prime Factorization of 20181418

Prime Factorization 2 × 10090709

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	20181418	Product of the distinct prime numbers

The prime factorization of 20181418 is 2 × 10090709. Since it has a total of 2 prime factors.

Most popular turbo-numbers

8, 5, 41, 56, 216, 182, 8503, 8235, 7084, 86167, 417730, 210461, 9674211, 1435284, 10702025, 16953451, 16095932, 584461035, 4118253645, 7194886819

Basic calculations (n = 20181418)

Multiplication

n×y

n×2	40362836
n×3	60544254
n×4	80725672
n×5	100907090

Division

n÷y

n÷2	10090709
n÷3	6727139.3333333
n÷3	5045354.5
n÷5	4036283.6

Exponentiation

n^y

n²	407289632490724
n³	8.2196823203617E+21
n⁴	1.6588484473443E+29
n⁵	3.3477913914506E+36

Nth Root

^y√n

²√n	4492.3733148526
³√n	272.26003283091
⁴√n	67.025169263886
⁵√n	28.906155560252

Divisors of 20181418

1, 2, 10090709, 20181418

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	-20181417	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 20181418 can be divided by 4 positive divisors. The sum of these divisors (counting 20181418) is 1, the average is 0.25.

Base conversion 20181418

Base	System	Value
2	Binary	1001100111111000110101010
3	Ternary	1101222022200221
4	Quaternary	1030333012222
5	Quinary	20131301133
6	Senary	2000320254
8	Octal	114770652
10	Decimal	20181418
12	Duodecimal	691308a
16	Hexadecimal	133f1aa
20	Vigesimal	662dai
36	Base36	c0k2y

Cryptographic Hash Functions

md5	06c9f9489756e77dd86aad8b1a0974de
sha1	72763128997cb76d37f64a9064fcde7b6e7c398c
sha256	078f42c5c9825ff20e1897acbdadc451804a5da1c24db83b4139689f4ebfb1f0
sha512	1d0d97b6dd53a4048a82e49c55b0ad362fd67f6d9da155356e29ead4932d9a52162cab0db2fba189588145eb41b92f6c9530111e46d7829276ed2663fca64667
ripemd-160	461442a81c9567cc5f6578ffd0da90395b312405

20181418 as geometric shapes

Circle

Radius = n

Diameter	40362836
Circumference	126803589.05565
Area	1.2795381173161E+15

Sphere

Radius = n

Volume	3.4430524789987E+22
Surface area	5.1181524692646E+15
Circumference	126803589.05565

Square

Length = n

Perimeter	80725672
Area	407289632490724
Diagonal	28540835.043521

Cube

Length = n

Surface area	2443737794944344
Volume	8.2196823203617E+21
Space diagonal	34955241.344785

Equilateral Triangle

Length = n

Perimeter	60544254
Area	1.763615842175E+14
Altitude	17477620.672393

Triangular Pyramid

Length = n

Surface area	1.763615842175E+14
Volume	9.6869885132115E+20
Height	9513611.6811735