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

20181689 (number)

20181689 is an odd 8-digits composite number following 20181688 and preceding 20181690. In scientific notation, it is written as 2.0181689 × 10^7. The sum of its digits is 35. It has a total of 3 prime factors and 8 positive divisors. There are 18314640 positive integers (up to 20181689) that are relatively prime to 20181689.

Interesting facts

20181689 has 8 divisors, whose sum is 22055232
The reverse of 20181689 is 98618102
Previous prime number is 733

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 35
Digital Root 8

Name

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

Notation

Scientific notation	2.0181689 × 10^7
Engineering notation	2.0181689 × 10^6

Prime Factorization of 20181689

Prime Factorization 11 × 733 × 2503

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	20181689	Product of the distinct prime numbers

The prime factorization of 20181689 is 11 × 733 × 2503. Since it has a total of 3 prime factors.

Most popular turbo-numbers

6, 2, 62, 52, 961, 745, 3034, 7989, 24230, 20236, 88102, 591825, 7976171, 1077852, 92205117, 84030506, 949149935, 26932735, 2179050297, 547530258

Basic calculations (n = 20181689)

Multiplication

n×y

n×2	40363378
n×3	60545067
n×4	80726756
n×5	100908445

Division

n÷y

n÷2	10090844.5
n÷3	6727229.6666667
n÷3	5045422.25
n÷5	4036337.8

Exponentiation

n^y

n²	407300570892721
n³	8.2200134512793E+21
n⁴	1.6589375504954E+29
n⁵	3.3480161714519E+36

Nth Root

^y√n

²√n	4492.403476982
³√n	272.26125147898
⁴√n	67.025394269501
⁵√n	28.906233191329

Divisors of 20181689

1, 11, 733, 2503, 8063, 27533, 1834699, 20181689

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	-20181688	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 20181689 can be divided by 8 positive divisors. The sum of these divisors (counting 20181689) is 1, the average is 0.125.

Base conversion 20181689

Base	System	Value
2	Binary	1001100111111001010111001
3	Ternary	1101222100001222
4	Quaternary	1030333022321
5	Quinary	20131303224
6	Senary	2000321425
8	Octal	114771271
10	Decimal	20181689
12	Duodecimal	6913275
16	Hexadecimal	133f2b9
20	Vigesimal	662e49
36	Base36	c0kah

Cryptographic Hash Functions

md5	fa12aabb8c9149819a93d93383a0d7bf
sha1	145643c202263bcd1458561fd52c8469e0cbf2f3
sha256	fd42944a02c1a38cc6a217e3e6186a4ab98a62d98a9a5d4ade572130a20e04b1
sha512	4aad61c4da4b2981fcdde33764d89b6f060755b29888acc9ade07f8b2d24453045bca4dd3feeb10db57c8b0b84b4749b9d04cdabc72409859bc09159b2aa45c1
ripemd-160	aee4cb977643fdf089082acf92f3fdf885d0f1c5

20181689 as geometric shapes

Circle

Radius = n

Diameter	40363378
Circumference	126805291.79887
Area	1.2795724813195E+15

Sphere

Radius = n

Volume	3.4431911827931E+22
Surface area	5.118289925278E+15
Circumference	126805291.79887

Square

Length = n

Perimeter	80726756
Area	407300570892721
Diagonal	28541218.295396

Cube

Length = n

Surface area	2443803425356326
Volume	8.2200134512793E+21
Space diagonal	34955710.730554

Equilateral Triangle

Length = n

Perimeter	60545067
Area	1.763663206845E+14
Altitude	17477855.365277

Triangular Pyramid

Length = n

Surface area	1.763663206845E+14
Volume	9.6873787547404E+20
Height	9513739.4317986