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

20421982 (number)

20421982 is an even 8-digits composite number following 20421981 and preceding 20421983. In scientific notation, it is written as 2.0421982 × 10^7. The sum of its digits is 28. It has a total of 3 prime factors and 8 positive divisors. There are 8752272 positive integers (up to 20421982) that are relatively prime to 20421982.

Interesting facts

20421982 has 8 divisors, whose sum is 35009136
The reverse of 20421982 is 28912402
Previous prime number is 7

Basic properties

Is Prime? no
Number parity even
Number length 8
Sum of Digits 28
Digital Root 1

Name

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

Notation

Scientific notation	2.0421982 × 10^7
Engineering notation	2.0421982 × 10^6

Prime Factorization of 20421982

Prime Factorization 2 × 7 × 1458713

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	20421982	Product of the distinct prime numbers

The prime factorization of 20421982 is 2 × 7 × 1458713. Since it has a total of 3 prime factors.

Most popular turbo-numbers

7, 2, 45, 26, 502, 370, 8758, 5989, 51687, 61711, 513126, 387883, 1486192, 8443341, 79469809, 72764731, 828790303, 222323550, 3857120416, 7953758134

Basic calculations (n = 20421982)

Multiplication

n×y

n×2	40843964
n×3	61265946
n×4	81687928
n×5	102109910

Division

n÷y

n÷2	10210991
n÷3	6807327.3333333
n÷3	5105495.5
n÷5	4084396.4

Exponentiation

n^y

n²	417057348808324
n³	8.5171376703313E+21
n⁴	1.7393683219503E+29
n⁵	3.5521348562239E+36

Nth Root

^y√n

²√n	4519.0687093692
³√n	273.33754934339
⁴√n	67.224018842741
⁵√n	28.974742016822

Divisors of 20421982

1, 2, 7, 14, 1458713, 2917426, 10210991, 20421982

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	-20421981	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 20421982 can be divided by 8 positive divisors. The sum of these divisors (counting 20421982) is 1, the average is 0.125.

Base conversion 20421982

Base	System	Value
2	Binary	1001101111001110101011110
3	Ternary	1102102112200201
4	Quaternary	1031321311132
5	Quinary	20212000412
6	Senary	2005414114
8	Octal	115716536
10	Decimal	20421982
12	Duodecimal	6a0a33a
16	Hexadecimal	1379d5e
20	Vigesimal	67cej2
36	Base36	c5ppa

Cryptographic Hash Functions

md5	7bb89e65c356843f6667631208f99cd8
sha1	ed6ff38d1d4b7e84001013391961210ea2fab2b4
sha256	a60ad6a82cfe642c5fd1a3c26fc59bb83b9a2e2640ca39ba6568647e52a31992
sha512	43f861b3ad5e6cc641bd226f77835079193924011a4daf0a0f20f0c2d12b74e6354d6d61334ae101d15110f929dc6dfcac41edf0cf583bf458209c380b786eb4
ripemd-160	0ba4814fdb98e9d68c16ce0014b9b2df9d6954b4

20421982 as geometric shapes

Circle

Radius = n

Diameter	40843964
Circumference	128315097.24589
Area	1.3102243031419E+15

Sphere

Radius = n

Volume	3.5676502846301E+22
Surface area	5.2408972125675E+15
Circumference	128315097.24589

Square

Length = n

Perimeter	81687928
Area	417057348808324
Diagonal	28881043.914939

Cube

Length = n

Surface area	2502344092849944
Volume	8.5171376703313E+21
Space diagonal	35371910.415257

Equilateral Triangle

Length = n

Perimeter	61265946
Area	1.805911294515E+14
Altitude	17685955.207629

Triangular Pyramid

Length = n

Surface area	1.805911294515E+14
Volume	1.0037543004984E+21
Height	9627014.6383131