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

20421738 (number)

20421738 is an even 8-digits composite number following 20421737 and preceding 20421739. In scientific notation, it is written as 2.0421738 × 10^7. The sum of its digits is 27. It has a total of 3 prime factors and 8 positive divisors. There are 6807240 positive integers (up to 20421738) that are relatively prime to 20421738.

Interesting facts

20421738 has 8 divisors, whose sum is 34036260
The reverse of 20421738 is 83712402
Previous prime number is 9

Basic properties

Is Prime? no
Number parity even
Number length 8
Sum of Digits 27
Digital Root 9

Name

Name	twenty million four hundred twenty-one thousand seven hundred thirty-eight

Notation

Scientific notation	2.0421738 × 10^7
Engineering notation	2.0421738 × 10^6

Prime Factorization of 20421738

Prime Factorization 2 × 9 × 1134541

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	20421738	Product of the distinct prime numbers

The prime factorization of 20421738 is 2 × 9 × 1134541. Since it has a total of 3 prime factors.

Most popular turbo-numbers

9, 1, 92, 29, 869, 343, 2126, 8762, 76556, 78908, 634134, 284828, 580066, 9595853, 99351030, 21075575, 63235700, 219822684, 2800545098, 1270207785

Basic calculations (n = 20421738)

Multiplication

n×y

n×2	40843476
n×3	61265214
n×4	81686952
n×5	102108690

Division

n÷y

n÷2	10210869
n÷3	6807246
n÷3	5105434.5
n÷5	4084347.6

Exponentiation

n^y

n²	417047382940644
n³	8.5168323879995E+21
n⁴	1.7392851961764E+29
n⁵	3.5519226583593E+36

Nth Root

^y√n

²√n	4519.0417125758
³√n	273.33646073492
⁴√n	67.223818045212
⁵√n	28.97467277897

Divisors of 20421738

1, 2, 9, 18, 1134541, 2269082, 10210869, 20421738

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	-20421737	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 20421738 can be divided by 8 positive divisors. The sum of these divisors (counting 20421738) is 1, the average is 0.125.

Base conversion 20421738

Base	System	Value
2	Binary	1001101111001110001101010
3	Ternary	1102102112100200
4	Quaternary	1031321301222
5	Quinary	20211443423
6	Senary	2005413030
8	Octal	115716152
10	Decimal	20421738
12	Duodecimal	6a0a176
16	Hexadecimal	1379c6a
20	Vigesimal	67ce6i
36	Base36	c5pii

Cryptographic Hash Functions

md5	db3afd2c1c0d2327a9648cf0b132d420
sha1	ee6d07756c3e0d66e8437cfb2de9998be2c99a97
sha256	4389439d634d0c0ca54f99e8f7980a6bd1f04d393325a9b91a87b21d9a3b5631
sha512	781e0d0b92c50aff7571369c336f4882693096165e470a9ee17c3e0d34c3196863f07dbb5c525bfcc33fcc8366ce11c0659ba7a1eb7aac4ff4cdd1af1dde8360
ripemd-160	ad0ca0cacabb8004e48b546d35fe992090a504f7

20421738 as geometric shapes

Circle

Radius = n

Diameter	40843476
Circumference	128313564.14867
Area	1.3101929944452E+15

Sphere

Radius = n

Volume	3.567522408266E+22
Surface area	5.2407719777807E+15
Circumference	128313564.14867

Square

Length = n

Perimeter	81686952
Area	417047382940644
Diagonal	28880698.84683

Cube

Length = n

Surface area	2502284297643864
Volume	8.5168323879995E+21
Space diagonal	35371487.79486

Equilateral Triangle

Length = n

Perimeter	61265214
Area	1.8058681410421E+14
Altitude	17685743.89743

Triangular Pyramid

Length = n

Surface area	1.8058681410421E+14
Volume	1.0037183226306E+21
Height	9626899.61561