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

20421903 (number)

20421903 is an odd 8-digits composite number following 20421902 and preceding 20421904. In scientific notation, it is written as 2.0421903 × 10^7. The sum of its digits is 21. It has a total of 3 prime factors and 8 positive divisors. There are 12898008 positive integers (up to 20421903) that are relatively prime to 20421903.

Interesting facts

20421903 has 8 divisors, whose sum is 28662400
The reverse of 20421903 is 30912402
Previous prime number is 19

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 21
Digital Root 3

Name

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

Notation

Scientific notation	2.0421903 × 10^7
Engineering notation	2.0421903 × 10^6

Prime Factorization of 20421903

Prime Factorization 3 × 19 × 358279

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	20421903	Product of the distinct prime numbers

The prime factorization of 20421903 is 3 × 19 × 358279. Since it has a total of 3 prime factors.

Most popular turbo-numbers

2, 8, 73, 29, 607, 247, 8692, 2695, 46875, 3040, 482749, 727111, 3161206, 1648333, 45111967, 7904012, 831499910, 570998795, 1761356552, 1661651133

Basic calculations (n = 20421903)

Multiplication

n×y

n×2	40843806
n×3	61265709
n×4	81687612
n×5	102109515

Division

n÷y

n÷2	10210951.5
n÷3	6807301
n÷3	5105475.75
n÷5	4084380.6

Exponentiation

n^y

n²	417054122141409
n³	8.517038828122E+21
n⁴	1.7393414079514E+29
n⁵	3.5520661517067E+36

Nth Root

^y√n

²√n	4519.0599686218
³√n	273.33719688504
⁴√n	67.223953830623
⁵√n	28.974719599721

Divisors of 20421903

1, 3, 19, 57, 358279, 1074837, 6807301, 20421903

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	-20421902	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 20421903 can be divided by 8 positive divisors. The sum of these divisors (counting 20421903) is 1, the average is 0.125.

Base conversion 20421903

Base	System	Value
2	Binary	1001101111001110100001111
3	Ternary	1102102112120210
4	Quaternary	1031321310033
5	Quinary	20212000103
6	Senary	2005413503
8	Octal	115716417
10	Decimal	20421903
12	Duodecimal	6a0a293
16	Hexadecimal	1379d0f
20	Vigesimal	67cef3
36	Base36	c5pn3

Cryptographic Hash Functions

md5	ab95ded6d8b433f46bf0b6f9657a353f
sha1	4d3a97afc591052800ff38a94e65e8ba5c004ff3
sha256	02f69b91fe6a5d594d3b739496523859148902a87e9b420ae57db118fe09f3ee
sha512	9c30dcc1642398add21a43ffa953a349b272c71e6f137dfd7270aa6c3536e37b9f7472672221daf57cafec166e85d99a2982980eff7db01562271d7c4d325762
ripemd-160	9669d2122f72fe5c960876b29a26d88a50e172d0

20421903 as geometric shapes

Circle

Radius = n

Diameter	40843806
Circumference	128314600.87425
Area	1.3102141662688E+15

Sphere

Radius = n

Volume	3.5676088817023E+22
Surface area	5.2408566650752E+15
Circumference	128314600.87425

Square

Length = n

Perimeter	81687612
Area	417054122141409
Diagonal	28880932.192068

Cube

Length = n

Surface area	2502324732848454
Volume	8.517038828122E+21
Space diagonal	35371773.583243

Equilateral Triangle

Length = n

Perimeter	61265709
Area	1.8058973226374E+14
Altitude	17685886.791622

Triangular Pyramid

Length = n

Surface area	1.8058973226374E+14
Volume	1.0037426518324E+21
Height	9626977.3973559