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

20181090 (number)

20181090 is an even 8-digits composite number following 20181089 and preceding 20181091. In scientific notation, it is written as 2.0181090 × 10^7. The sum of its digits is 21. It has a total of 3 prime factors and 8 positive divisors. There are 5381616 positive integers (up to 20181090) that are relatively prime to 20181090.

Interesting facts

20181090 has 8 divisors, whose sum is 32289792
The reverse of 20181090 is 09018102
Previous prime number is 15

Basic properties

Is Prime? no
Number parity even
Number length 8
Sum of Digits 21
Digital Root 3

Name

Name	twenty million one hundred eighty-one thousand ninety

Notation

Scientific notation	2.0181090 × 10^7
Engineering notation	2.0181090 × 10^6

Prime Factorization of 20181090

Prime Factorization 2 × 15 × 672703

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	20181090	Product of the distinct prime numbers

The prime factorization of 20181090 is 2 × 15 × 672703. Since it has a total of 3 prime factors.

Most popular turbo-numbers

4, 6, 100, 54, 483, 886, 8628, 1462, 65239, 38659, 830717, 180464, 6988557, 2997633, 37028271, 65453085, 892307490, 141603288, 2541034895, 885985743

Basic calculations (n = 20181090)

Multiplication

n×y

n×2	40362180
n×3	60543270
n×4	80724360
n×5	100905450

Division

n÷y

n÷2	10090545
n÷3	6727030
n÷3	5045272.5
n÷5	4036218

Exponentiation

n^y

n²	407276393588100
n³	8.2192815538769E+21
n⁴	1.6587406077413E+29
n⁵	3.3475193491482E+36

Nth Root

^y√n

²√n	4492.3368083883
³√n	272.25855784743
⁴√n	67.024896929337
⁵√n	28.906061599751

Divisors of 20181090

1, 2, 15, 30, 672703, 1345406, 10090545, 20181090

8 divisors

τ	Total Divisors	8	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-20181089	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.125	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	8	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20181090 can be divided by 8 positive divisors. The sum of these divisors (counting 20181090) is 1, the average is 0.125.

Base conversion 20181090

Base	System	Value
2	Binary	1001100111111000001100010
3	Ternary	1101222022020210
4	Quaternary	1030333001202
5	Quinary	20131243330
6	Senary	2000314550
8	Octal	114770142
10	Decimal	20181090
12	Duodecimal	6912a56
16	Hexadecimal	133f062
20	Vigesimal	662cea
36	Base36	c0jtu

Cryptographic Hash Functions

md5	8b9a3b5ad8fadd95bbbde3aa6bac87e0
sha1	de373a476eedb2b964e5664d99a11fe4630a49f8
sha256	4ba1935e8ddfbe28812e94368de6860fd3da279277f3e97e68c1a305ddb7c6fc
sha512	8c559b7ddba30439ea56235ff877cc0dfed062b4ec4095196c46b1a4cf463a395250e7b52bce6f9e0eb210d0c09cce6359d1aec71d9d2c8da58a8c43d8237712
ripemd-160	5db77d137695b45ce3b6f4f79b1a6ab1932a24e7

20181090 as geometric shapes

Circle

Radius = n

Diameter	40362180
Circumference	126801528.17087
Area	1.2794965260769E+15

Sphere

Radius = n

Volume	3.4428846063261E+22
Surface area	5.1179861043077E+15
Circumference	126801528.17087

Square

Length = n

Perimeter	80724360
Area	407276393588100
Diagonal	28540371.181472

Cube

Length = n

Surface area	2443658361528600
Volume	8.2192815538769E+21
Space diagonal	34954673.23212

Equilateral Triangle

Length = n

Perimeter	60543270
Area	1.763558516045E+14
Altitude	17477336.61606

Triangular Pyramid

Length = n

Surface area	1.763558516045E+14
Volume	9.6865162053797E+20
Height	9513457.0604907