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

20421421 (number)

20421421 is an odd 8-digits composite number following 20421420 and preceding 20421422. In scientific notation, it is written as 2.0421421 × 10^7. The sum of its digits is 16. It has a total of 2 prime factors and 4 positive divisors. There are 20162844 positive integers (up to 20421421) that are relatively prime to 20421421.

Interesting facts

20421421 has 4 divisors, whose sum is 20680000
The reverse of 20421421 is 12412402
Previous prime number is 79

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 16
Digital Root 7

Name

Name	twenty million four hundred twenty-one thousand four hundred twenty-one

Notation

Scientific notation	2.0421421 × 10^7
Engineering notation	2.0421421 × 10^6

Prime Factorization of 20421421

Prime Factorization 79 × 258499

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	20421421	Product of the distinct prime numbers

The prime factorization of 20421421 is 79 × 258499. Since it has a total of 2 prime factors.

Most popular turbo-numbers

7, 5, 19, 38, 813, 877, 8076, 6833, 16018, 42899, 35739, 521264, 9039425, 6550420, 9736377, 2878570, 264916861, 461765610, 8757307837, 5767134683

Basic calculations (n = 20421421)

Multiplication

n×y

n×2	40842842
n×3	61264263
n×4	81685684
n×5	102107105

Division

n÷y

n÷2	10210710.5
n÷3	6807140.3333333
n÷3	5105355.25
n÷5	4084284.2

Exponentiation

n^y

n²	417034435659241
n³	8.5164357820948E+21
n⁴	1.7391772052562E+29
n⁵	3.5516469902141E+36

Nth Root

^y√n

²√n	4519.006638632
³√n	273.33504642326
⁴√n	67.223557170325
⁵√n	28.974582825526

Divisors of 20421421

1, 79, 258499, 20421421

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	-20421420	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 20421421 can be divided by 4 positive divisors. The sum of these divisors (counting 20421421) is 1, the average is 0.25.

Base conversion 20421421

Base	System	Value
2	Binary	1001101111001101100101101
3	Ternary	1102102111220221
4	Quaternary	1031321230231
5	Quinary	20211441141
6	Senary	2005411341
8	Octal	115715455
10	Decimal	20421421
12	Duodecimal	6a09b51
16	Hexadecimal	1379b2d
20	Vigesimal	67cdb1
36	Base36	c5p9p

Cryptographic Hash Functions

md5	7375f8bab7e51c9312d00c2bd56c9f5e
sha1	478dc9c7314a63e66a40ec81974fa32654be4bfd
sha256	7bcc88c5ecf1038ef890eb33b3618dd6d1d15f0ccd70f2b5277023a07fe6538a
sha512	61626ff42855e2416548298bb9f339966c9537b219157de28e84cac071b5d1885694cd5447c3a0609688eabfc03d89446cee105bf1ff0547a68c5cf87bc1b8e1
ripemd-160	d8a68660a335285fed35acf8c7bbe267d112c5e7

20421421 as geometric shapes

Circle

Radius = n

Diameter	40842842
Circumference	128311572.37893
Area	1.310152319361E+15

Sphere

Radius = n

Volume	3.5673562783731E+22
Surface area	5.2406092774441E+15
Circumference	128311572.37893

Square

Length = n

Perimeter	81685684
Area	417034435659241
Diagonal	28880250.541131

Cube

Length = n

Surface area	2502206613955446
Volume	8.5164357820948E+21
Space diagonal	35370938.734754

Equilateral Triangle

Length = n

Perimeter	61264263
Area	1.805812077669E+14
Altitude	17685469.367377

Triangular Pyramid

Length = n

Surface area	1.805812077669E+14
Volume	1.0036715821765E+21
Height	9626750.1803769