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

20405989 (number)

20405989 is an odd 8-digits composite number following 20405988 and preceding 20405990. In scientific notation, it is written as 2.0405989 × 10^7. The sum of its digits is 37. It has a total of 3 prime factors and 8 positive divisors. There are 19958400 positive integers (up to 20405989) that are relatively prime to 20405989.

Interesting facts

20405989 has 8 divisors, whose sum is 20858048
The reverse of 20405989 is 98950402
Previous prime number is 151

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 37
Digital Root 1

Name

Name	twenty million four hundred five thousand nine hundred eighty-nine

Notation

Scientific notation	2.0405989 × 10^7
Engineering notation	2.0405989 × 10^6

Prime Factorization of 20405989

Prime Factorization 67 × 151 × 2017

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	20405989	Product of the distinct prime numbers

The prime factorization of 20405989 is 67 × 151 × 2017. Since it has a total of 3 prime factors.

Most popular turbo-numbers

6, 4, 64, 62, 277, 411, 6554, 2832, 92708, 12732, 543420, 655356, 5418386, 8262761, 1367410, 87311047, 450356578, 223737528, 3190836992, 4650663674

Basic calculations (n = 20405989)

Multiplication

n×y

n×2	40811978
n×3	61217967
n×4	81623956
n×5	102029945

Division

n÷y

n÷2	10202994.5
n÷3	6801996.3333333
n÷3	5101497.25
n÷5	4081197.8

Exponentiation

n^y

n²	416404387068121
n³	8.4971433420638E+21
n⁴	1.7339261356958E+29
n⁵	3.5382477651821E+36

Nth Root

^y√n

²√n	4517.2988610452
³√n	273.26617806209
⁴√n	67.210853744356
⁵√n	28.970202415568

Divisors of 20405989

1, 67, 151, 2017, 10117, 135139, 304567, 20405989

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	-20405988	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 20405989 can be divided by 8 positive divisors. The sum of these divisors (counting 20405989) is 1, the average is 0.125.

Base conversion 20405989

Base	System	Value
2	Binary	1001101110101111011100101
3	Ternary	1102101201202101
4	Quaternary	1031311323211
5	Quinary	20210442424
6	Senary	2005212101
8	Octal	115657345
10	Decimal	20405989
12	Duodecimal	6a01031
16	Hexadecimal	1375ee5
20	Vigesimal	67aej9
36	Base36	c5dd1

Cryptographic Hash Functions

md5	445ea6bce936f0e353179af84b1cbc3b
sha1	9b8275b4575144b98b98101354ab5013f2c318b1
sha256	10394f7f9885f67083665446e6a0d9cef7218aad04190f09b69268d211d48999
sha512	c70d2985a3cdaf149045cc61eb4b04e2a61a7cd80af8b3be54fc3288b83112bd749d561d238a64555b9f0f143443d52be34cb3c4d848c15d290df3bc17690e93
ripemd-160	803165b4cbdaf7ccec7b8cfd9a7330b8decf212c

20405989 as geometric shapes

Circle

Radius = n

Diameter	40811978
Circumference	128214610.26327
Area	1.3081729633358E+15

Sphere

Radius = n

Volume	3.5592750799903E+22
Surface area	5.2326918533431E+15
Circumference	128214610.26327

Square

Length = n

Perimeter	81623956
Area	416404387068121
Diagonal	28858426.397436

Cube

Length = n

Surface area	2498426322408726
Volume	8.4971433420638E+21
Space diagonal	35344209.726692

Equilateral Triangle

Length = n

Perimeter	61217967
Area	1.8030838872414E+14
Altitude	17672104.863346

Triangular Pyramid

Length = n

Surface area	1.8030838872414E+14
Volume	1.0013979463146E+21
Height	9619475.4658121