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

20018531 (number)

20018531 is an odd 8-digits composite number following 20018530 and preceding 20018532. In scientific notation, it is written as 2.0018531 × 10^7. The sum of its digits is 20. It has a total of 2 prime factors and 4 positive divisors. There are 18478632 positive integers (up to 20018531) that are relatively prime to 20018531.

Interesting facts

20018531 has 4 divisors, whose sum is 21558432
The reverse of 20018531 is 13581002
Previous prime number is 13

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 20
Digital Root 2

Name

Name	twenty million eighteen thousand five hundred thirty-one

Notation

Scientific notation	2.0018531 × 10^7
Engineering notation	2.0018531 × 10^6

Prime Factorization of 20018531

Prime Factorization 13 × 1539887

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	20018531	Product of the distinct prime numbers

The prime factorization of 20018531 is 13 × 1539887. Since it has a total of 2 prime factors.

Most popular turbo-numbers

5, 7, 34, 60, 715, 448, 1895, 4895, 87948, 59399, 247434, 532856, 7168924, 9637533, 11221556, 42808595, 560779660, 17524395, 432928390, 5819643917

Basic calculations (n = 20018531)

Multiplication

n×y

n×2	40037062
n×3	60055593
n×4	80074124
n×5	100092655

Division

n÷y

n÷2	10009265.5
n÷3	6672843.6666667
n÷3	5004632.75
n÷5	4003706.2

Exponentiation

n^y

n²	400741583397961
n³	8.0222578102412E+21
n⁴	1.605938166643E+29
n⁵	3.2148522973027E+36

Nth Root

^y√n

²√n	4474.2073040931
³√n	271.52557056852
⁴√n	66.889515651506
⁵√n	28.859343071956

Divisors of 20018531

1, 13, 1539887, 20018531

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	-20018530	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 20018531 can be divided by 4 positive divisors. The sum of these divisors (counting 20018531) is 1, the average is 0.25.

Base conversion 20018531

Base	System	Value
2	Binary	1001100010111010101100011
3	Ternary	1101200001021002
4	Quaternary	1030113111203
5	Quinary	20111043111
6	Senary	1553022215
8	Octal	114272543
10	Decimal	20018531
12	Duodecimal	685496b
16	Hexadecimal	1317563
20	Vigesimal	65266b
36	Base36	bx2eb

Cryptographic Hash Functions

md5	b82a6904b56391a15dc846480cd5112c
sha1	e30f5316e82a4685218265613813f3489fcd598d
sha256	2568964ecf02a72827667b4baa23a4345b5e9c3322fd77af16f0527f4655e253
sha512	bec48ebff62b2b4ef0d69f81991af1959c2ef81730bbb20f8486f70fb7e0f0cf0334c70d30a44df5654975548d87c227e1027492b843c682ebc55d40d584b127
ripemd-160	959cbb5760cf3eb7193c66c829b05af54e9f7696

20018531 as geometric shapes

Circle

Radius = n

Diameter	40037062
Circumference	125780139.85052
Area	1.258966814391E+15

Sphere

Radius = n

Volume	3.3603554935809E+22
Surface area	5.0358672575639E+15
Circumference	125780139.85052

Square

Length = n

Perimeter	80074124
Area	400741583397961
Diagonal	28310478.038986

Cube

Length = n

Surface area	2404449500387766
Volume	8.0222578102412E+21
Space diagonal	34673112.784893

Equilateral Triangle

Length = n

Perimeter	60055593
Area	1.7352619578772E+14
Altitude	17336556.392446

Triangular Pyramid

Length = n

Surface area	1.7352619578772E+14
Volume	9.4543214967471E+20
Height	9436826.0129954