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

20421938 (number)

20421938 is an even 8-digits composite number following 20421937 and preceding 20421939. In scientific notation, it is written as 2.0421938 × 10^7. The sum of its digits is 29. It has a total of 3 prime factors and 8 positive divisors. There are 10197796 positive integers (up to 20421938) that are relatively prime to 20421938.

Interesting facts

20421938 has 8 divisors, whose sum is 30672432
The reverse of 20421938 is 83912402
Previous prime number is 827

Basic properties

Is Prime? no
Number parity even
Number length 8
Sum of Digits 29
Digital Root 2

Name

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

Notation

Scientific notation	2.0421938 × 10^7
Engineering notation	2.0421938 × 10^6

Prime Factorization of 20421938

Prime Factorization 2 × 827 × 12347

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	20421938	Product of the distinct prime numbers

The prime factorization of 20421938 is 2 × 827 × 12347. Since it has a total of 3 prime factors.

Most popular turbo-numbers

2, 10, 64, 23, 790, 279, 2658, 1792, 61614, 5139, 31540, 838324, 4837051, 292315, 80211807, 63529576, 557402906, 905626373, 9774726891, 5659198417

Basic calculations (n = 20421938)

Multiplication

n×y

n×2	40843876
n×3	61265814
n×4	81687752
n×5	102109690

Division

n÷y

n÷2	10210969
n÷3	6807312.6666667
n÷3	5105484.5
n÷5	4084387.6

Exponentiation

n^y

n²	417055551675844
n³	8.5170826188799E+21
n⁴	1.7393533318364E+29
n⁵	3.5520965902857E+36

Nth Root

^y√n

²√n	4519.0638411069
³√n	273.33735303759
⁴√n	67.223982633484
⁵√n	28.974729531357

Divisors of 20421938

1, 2, 827, 1654, 12347, 24694, 10210969, 20421938

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	-20421937	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 20421938 can be divided by 8 positive divisors. The sum of these divisors (counting 20421938) is 1, the average is 0.125.

Base conversion 20421938

Base	System	Value
2	Binary	1001101111001110100110010
3	Ternary	1102102112122002
4	Quaternary	1031321310302
5	Quinary	20212000223
6	Senary	2005414002
8	Octal	115716462
10	Decimal	20421938
12	Duodecimal	6a0a302
16	Hexadecimal	1379d32
20	Vigesimal	67cegi
36	Base36	c5po2

Cryptographic Hash Functions

md5	8eae07582ad6239ae08e34c474195938
sha1	529772e9b15b70be701896074f01b90fc88d2343
sha256	635de32d0a38931d56a35d7127ae3e75e67636fc5d1cc3d91f5fa73469a31b84
sha512	aad2aa8dd9147bfc8a8f56648a5f6e724776ed86f3b47db654a0334e00b09dbed89f9391352d5251d3387cefc520f582b70ab9f8f88826b766375406ff3927b7
ripemd-160	ff84f4d7f7b33a35fcd01a0787df7f11752a9ade

20421938 as geometric shapes

Circle

Radius = n

Diameter	40843876
Circumference	128314820.78573
Area	1.3102186572837E+15

Sphere

Radius = n

Volume	3.567627224732E+22
Surface area	5.2408746291347E+15
Circumference	128314820.78573

Square

Length = n

Perimeter	81687752
Area	417055551675844
Diagonal	28880981.689542

Cube

Length = n

Surface area	2502333310055064
Volume	8.5170826188799E+21
Space diagonal	35371834.205022

Equilateral Triangle

Length = n

Perimeter	61265814
Area	1.8059035127031E+14
Altitude	17685917.102511

Triangular Pyramid

Length = n

Surface area	1.8059035127031E+14
Volume	1.0037478126227E+21
Height	9626993.8965142