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

20421881 (number)

20421881 is an odd 8-digits prime number following 20421880 and preceding 20421882. In scientific notation, it is written as 2.0421881 × 10^7. The sum of its digits is 26. It has a total of 1 prime factors and 2 positive divisors. There are 20421880 positive integers (up to 20421881) that are relatively prime to 20421881.

Interesting facts

20421881 has 2 divisors, whose sum is 20421882
The reverse of 20421881 is 18812402
Previous prime number is 1

Basic properties

Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 26
Digital Root 8

Name

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

Notation

Scientific notation	2.0421881 × 10^7
Engineering notation	2.0421881 × 10^6

Prime Factorization of 20421881

Prime Factorization 20421881

Composite number

ω	Distinct Factors	1	Total number of distinct prime factors
Ω	Total Factors	1	Total number of prime factors
rad	Radical	20421881	Product of the distinct prime numbers

The prime factorization of 20421881 is 20421881. Since it has a total of 1 prime factors.

Most popular turbo-numbers

7, 1, 40, 69, 620, 721, 1784, 8827, 44715, 74734, 962680, 699315, 7949926, 6954665, 43146371, 61220335, 497403984, 13948042, 5092410341, 6662129411

Basic calculations (n = 20421881)

Multiplication

n×y

n×2	40843762
n×3	61265643
n×4	81687524
n×5	102109405

Division

n÷y

n÷2	10210940.5
n÷3	6807293.6666667
n÷3	5105470.25
n÷5	4084376.2

Exponentiation

n^y

n²	417053223578161
n³	8.5170113025796E+21
n⁴	1.7393339129694E+29
n⁵	3.5520470189925E+36

Nth Root

^y√n

²√n	4519.0575344866
³√n	273.33709873192
⁴√n	67.223935725949
⁵√n	28.974713356972

Divisors of 20421881

1, 20421881

2 divisors

τ	Total Divisors	2	Total number of the positive divisors of n
σ	Sum of Divisors	20421882	Sum of all the positive divisors of n
s	Aliquot Sum	1	Sum of the proper positive divisors of n
A	Arithmetic Mean	10210941	Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G	Geometric Mean	4519.0576451291	Returns the nth root of the product of n divisors
H	Harmonic Mean	1.9999999020658	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20421881 can be divided by 2 positive divisors. The sum of these divisors (counting 20421881) is 20421882, the average is 10210941.

Base conversion 20421881

Base	System	Value
2	Binary	1001101111001110011111001
3	Ternary	1102102112112222
4	Quaternary	1031321303321
5	Quinary	20212000011
6	Senary	2005413425
8	Octal	115716371
10	Decimal	20421881
12	Duodecimal	6a0a275
16	Hexadecimal	1379cf9
20	Vigesimal	67cee1
36	Base36	c5pmh

Cryptographic Hash Functions

md5	ced82fad21ee4838f08ef617ffc19fa3
sha1	97455cbcf7d56c17e0e3925ee6a5c2a62998c55f
sha256	54b225206d51563f91ed52f1e035bdc74b6acf65aa775588dbf7124363acc67b
sha512	a4b529809c4ccb96893080a41fa825a54cfa7cf37c4cabd3bc2da3fc9f04bb9c3738d831e392bb85084a290505d5932dfd2354b9fecf72f6d82e53b22f1c007a
ripemd-160	f5f5ec7347f4bc7e56c52fa3932905034f4c2861

20421881 as geometric shapes

Circle

Radius = n

Diameter	40843762
Circumference	128314462.64417
Area	1.3102113433491E+15

Sphere

Radius = n

Volume	3.56759735183E+22
Surface area	5.2408453733964E+15
Circumference	128314462.64417

Square

Length = n

Perimeter	81687524
Area	417053223578161
Diagonal	28880901.079369

Cube

Length = n

Surface area	2502319341468966
Volume	8.5170113025796E+21
Space diagonal	35371735.478126

Equilateral Triangle

Length = n

Perimeter	61265643
Area	1.8058934317444E+14
Altitude	17685867.739063

Triangular Pyramid

Length = n

Surface area	1.8058934317444E+14
Volume	1.0037394079161E+21
Height	9626967.0264565