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

20181311 (number)

20181311 is an odd 8-digits prime number following 20181310 and preceding 20181312. In scientific notation, it is written as 2.0181311 × 10^7. The sum of its digits is 17. It has a total of 1 prime factors and 2 positive divisors. There are 20181310 positive integers (up to 20181311) that are relatively prime to 20181311.

Interesting facts

20181311 has 2 divisors, whose sum is 20181312
The reverse of 20181311 is 11318102
Previous prime number is 1

Basic properties

Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 17
Digital Root 8

Name

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

Notation

Scientific notation	2.0181311 × 10^7
Engineering notation	2.0181311 × 10^6

Prime Factorization of 20181311

Prime Factorization 20181311

Composite number

ω	Distinct Factors	1	Total number of distinct prime factors
Ω	Total Factors	1	Total number of prime factors
rad	Radical	20181311	Product of the distinct prime numbers

The prime factorization of 20181311 is 20181311. Since it has a total of 1 prime factors.

Most popular turbo-numbers

5, 9, 9, 91, 889, 514, 192, 8414, 55250, 82756, 298574, 451349, 7176174, 4442930, 37365634, 35780030, 110523401, 205260681, 3970673959, 837690257

Basic calculations (n = 20181311)

Multiplication

n×y

n×2	40362622
n×3	60543933
n×4	80725244
n×5	100906555

Division

n÷y

n÷2	10090655.5
n÷3	6727103.6666667
n÷3	5045327.75
n÷5	4036262.2

Exponentiation

n^y

n²	407285313678721
n³	8.2195515810828E+21
n⁴	1.6588132673837E+29
n⁵	3.3477026439997E+36

Nth Root

^y√n

²√n	4492.3614057642
³√n	272.25955166427
⁴√n	67.025080423407
⁵√n	28.906124908637

Divisors of 20181311

1, 20181311

2 divisors

τ	Total Divisors	2	Total number of the positive divisors of n
σ	Sum of Divisors	20181312	Sum of all the positive divisors of n
s	Aliquot Sum	1	Sum of the proper positive divisors of n
A	Arithmetic Mean	10090656	Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G	Geometric Mean	4492.3615170643	Returns the nth root of the product of n divisors
H	Harmonic Mean	1.9999999008984	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20181311 can be divided by 2 positive divisors. The sum of these divisors (counting 20181311) is 20181312, the average is 10090656.

Base conversion 20181311

Base	System	Value
2	Binary	1001100111111000100111111
3	Ternary	1101222022112222
4	Quaternary	1030333010333
5	Quinary	20131300221
6	Senary	2000315555
8	Octal	114770477
10	Decimal	20181311
12	Duodecimal	6912bbb
16	Hexadecimal	133f13f
20	Vigesimal	662d5b
36	Base36	c0jzz

Cryptographic Hash Functions

md5	9f15782705270094454d5b3606468511
sha1	629e808b79e992dc42a1d2ef8f3b61f5eafcef9a
sha256	c40b790a505a0028906c7457ffd7378b797c4b1decf8d77789e9e86cfca27dc4
sha512	efa6eecf8b144b0103f0871edd39d4f4499ac3144cb14a8bf269b0b89a6ed174ea2baad0680328a03fe8f2111571bb1d671024804146d58fb01df20e6fcee849
ripemd-160	1d16aaab7e81cc2df4723ea1406c7420fa4a995b

20181311 as geometric shapes

Circle

Radius = n

Diameter	40362622
Circumference	126802916.75482
Area	1.2795245493681E+15

Sphere

Radius = n

Volume	3.4429977150576E+22
Surface area	5.1180981974723E+15
Circumference	126802916.75482

Square

Length = n

Perimeter	80725244
Area	407285313678721
Diagonal	28540683.722669

Cube

Length = n

Surface area	2443711882072326
Volume	8.2195515810828E+21
Space diagonal	34955056.015349

Equilateral Triangle

Length = n

Perimeter	60543933
Area	1.7635971411704E+14
Altitude	17477528.007674

Triangular Pyramid

Length = n

Surface area	1.7635971411704E+14
Volume	9.6868344354938E+20
Height	9513561.2408898