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

20421902 (number)

20421902 is an even 8-digits composite number following 20421901 and preceding 20421903. In scientific notation, it is written as 2.0421902 × 10^7. The sum of its digits is 20. It has a total of 2 prime factors and 4 positive divisors. There are 10210950 positive integers (up to 20421902) that are relatively prime to 20421902.

Interesting facts

20421902 has 4 divisors, whose sum is 30632856
The reverse of 20421902 is 20912402
Previous prime number is 2

Basic properties

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

Name

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

Notation

Scientific notation	2.0421902 × 10^7
Engineering notation	2.0421902 × 10^6

Prime Factorization of 20421902

Prime Factorization 2 × 10210951

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	20421902	Product of the distinct prime numbers

The prime factorization of 20421902 is 2 × 10210951. Since it has a total of 2 prime factors.

Most popular turbo-numbers

6, 10, 25, 11, 373, 572, 5497, 8010, 2063, 31041, 657392, 103421, 9715977, 3314203, 32068835, 11471942, 981939177, 708282554, 2950317776, 9707716762

Basic calculations (n = 20421902)

Multiplication

n×y

n×2	40843804
n×3	61265706
n×4	81687608
n×5	102109510

Division

n÷y

n÷2	10210951
n÷3	6807300.6666667
n÷3	5105475.5
n÷5	4084380.4

Exponentiation

n^y

n²	417054081297604
n³	8.5170375769597E+21
n⁴	1.7393410672699E+29
n⁵	3.5520652820361E+36

Nth Root

^y√n

²√n	4519.0598579793
³√n	273.33719242354
⁴√n	67.223953007684
⁵√n	28.97471931596

Divisors of 20421902

1, 2, 10210951, 20421902

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	-20421901	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 20421902 can be divided by 4 positive divisors. The sum of these divisors (counting 20421902) is 1, the average is 0.25.

Base conversion 20421902

Base	System	Value
2	Binary	1001101111001110100001110
3	Ternary	1102102112120202
4	Quaternary	1031321310032
5	Quinary	20212000102
6	Senary	2005413502
8	Octal	115716416
10	Decimal	20421902
12	Duodecimal	6a0a292
16	Hexadecimal	1379d0e
20	Vigesimal	67cef2
36	Base36	c5pn2

Cryptographic Hash Functions

md5	03a4ebfa634e2a4355eb840880541756
sha1	7c9f2b0a6a64f20a79a045d971de7ad6a01bc68c
sha256	36fbfe77882eced085aed0cfa858c44e556648c712ce5d56188e03f7d52b073a
sha512	e93ae388f33a7dd53072c1022bf857009bd8b26db16eb76b8ff2e49f44d12256a5d8c54671df310faf981908e25fe38dc018517cb522721a7e94113fb26ac842
ripemd-160	f6b2f822e8233105da86ff6ced1a694b3974225f

20421902 as geometric shapes

Circle

Radius = n

Diameter	40843804
Circumference	128314594.59106
Area	1.3102140379542E+15

Sphere

Radius = n

Volume	3.5676083576166E+22
Surface area	5.2408561518168E+15
Circumference	128314594.59106

Square

Length = n

Perimeter	81687608
Area	417054081297604
Diagonal	28880930.777854

Cube

Length = n

Surface area	2502324487785624
Volume	8.5170375769597E+21
Space diagonal	35371771.851192

Equilateral Triangle

Length = n

Perimeter	61265706
Area	1.8058971457785E+14
Altitude	17685885.925596

Triangular Pyramid

Length = n

Surface area	1.8058971457785E+14
Volume	1.0037425043815E+21
Height	9626976.9259514