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

20181109 (number)

20181109 is an odd 8-digits composite number following 20181108 and preceding 20181110. In scientific notation, it is written as 2.0181109 × 10^7. The sum of its digits is 22. It has a total of 2 prime factors and 4 positive divisors. There are 18628704 positive integers (up to 20181109) that are relatively prime to 20181109.

Interesting facts

20181109 has 4 divisors, whose sum is 21733516
The reverse of 20181109 is 90118102
Previous prime number is 13

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 22
Digital Root 4

Name

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

Notation

Scientific notation	2.0181109 × 10^7
Engineering notation	2.0181109 × 10^6

Prime Factorization of 20181109

Prime Factorization 13 × 1552393

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	20181109	Product of the distinct prime numbers

The prime factorization of 20181109 is 13 × 1552393. Since it has a total of 2 prime factors.

Most popular turbo-numbers

2, 9, 33, 85, 67, 198, 9069, 6641, 91870, 12557, 893875, 756965, 7642083, 7422331, 90539450, 98327960, 360955498, 420730549, 5123322790, 1566624276

Basic calculations (n = 20181109)

Multiplication

n×y

n×2	40362218
n×3	60543327
n×4	80724436
n×5	100905545

Division

n÷y

n÷2	10090554.5
n÷3	6727036.3333333
n÷3	5045277.25
n÷5	4036221.8

Exponentiation

n^y

n²	407277160469881
n³	8.2193047686532E+21
n⁴	1.6587468544041E+29
n⁵	3.3475351072136E+36

Nth Root

^y√n

²√n	4492.3389231001
³√n	272.25864328898
⁴√n	67.024912704905
⁵√n	28.906067042618

Divisors of 20181109

1, 13, 1552393, 20181109

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	-20181108	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 20181109 can be divided by 4 positive divisors. The sum of these divisors (counting 20181109) is 1, the average is 0.25.

Base conversion 20181109

Base	System	Value
2	Binary	1001100111111000001110101
3	Ternary	1101222022021111
4	Quaternary	1030333001311
5	Quinary	20131243414
6	Senary	2000315021
8	Octal	114770165
10	Decimal	20181109
12	Duodecimal	6912a71
16	Hexadecimal	133f075
20	Vigesimal	662cf9
36	Base36	c0jud

Cryptographic Hash Functions

md5	a2c765ef7646868bc9e9cbe31dd294e7
sha1	f4a1e34cfdbf122d034289124073a566eaa47c97
sha256	595641c7424213d235abd170cbcde8303b9fbc73a8776b6cca64cb6c6ab87969
sha512	c45526b6b170e879471aa27341379ce9b0001a6cf3a99220125af1e7cf5f66e6c92d6d47c8c00b6ebaef4d3aedc2712150002add0e123a664fdbb369d9ca313b
ripemd-160	37d5ba1bfa91ff959d5dfae8d180017eaaa63ba5

20181109 as geometric shapes

Circle

Radius = n

Diameter	40362218
Circumference	126801647.55139
Area	1.2794989353071E+15

Sphere

Radius = n

Volume	3.4428943305088E+22
Surface area	5.1179957412284E+15
Circumference	126801647.55139

Square

Length = n

Perimeter	80724436
Area	407277160469881
Diagonal	28540398.05153

Cube

Length = n

Surface area	2443662962819286
Volume	8.2193047686532E+21
Space diagonal	34954706.141086

Equilateral Triangle

Length = n

Perimeter	60543327
Area	1.7635618367405E+14
Altitude	17477353.070543

Triangular Pyramid

Length = n

Surface area	1.7635618367405E+14
Volume	9.686543564256E+20
Height	9513466.0171766