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

20421918 (number)

20421918 is an even 8-digits composite number following 20421917 and preceding 20421919. In scientific notation, it is written as 2.0421918 × 10^7. The sum of its digits is 27. It has a total of 3 prime factors and 8 positive divisors. There are 6188400 positive integers (up to 20421918) that are relatively prime to 20421918.

Interesting facts

20421918 has 8 divisors, whose sum is 30942600
The reverse of 20421918 is 81912402
Previous prime number is 99

Basic properties

Is Prime? no
Number parity even
Number length 8
Sum of Digits 27
Digital Root 9

Name

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

Notation

Scientific notation	2.0421918 × 10^7
Engineering notation	2.0421918 × 10^6

Prime Factorization of 20421918

Prime Factorization 2 × 99 × 103141

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	20421918	Product of the distinct prime numbers

The prime factorization of 20421918 is 2 × 99 × 103141. Since it has a total of 3 prime factors.

Most popular turbo-numbers

1, 5, 96, 20, 767, 126, 1222, 6059, 27262, 17292, 835230, 975061, 6461921, 881631, 43638819, 14030684, 250225312, 464430786, 3681605169, 5482706517

Basic calculations (n = 20421918)

Multiplication

n×y

n×2	40843836
n×3	61265754
n×4	81687672
n×5	102109590

Division

n÷y

n÷2	10210959
n÷3	6807306
n÷3	5105479.5
n÷5	4084383.6

Exponentiation

n^y

n²	417054734798724
n³	8.5170575955713E+21
n⁴	1.7393465181803E+29
n⁵	3.5520791967864E+36

Nth Root

^y√n

²√n	4519.0616282587
³√n	273.33726380758
⁴√n	67.223966174711
⁵√n	28.974723856138

Divisors of 20421918

1, 2, 99, 198, 103141, 206282, 10210959, 20421918

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	-20421917	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 20421918 can be divided by 8 positive divisors. The sum of these divisors (counting 20421918) is 1, the average is 0.125.

Base conversion 20421918

Base	System	Value
2	Binary	1001101111001110100011110
3	Ternary	1102102112121100
4	Quaternary	1031321310132
5	Quinary	20212000133
6	Senary	2005413530
8	Octal	115716436
10	Decimal	20421918
12	Duodecimal	6a0a2a6
16	Hexadecimal	1379d1e
20	Vigesimal	67cefi
36	Base36	c5pni

Cryptographic Hash Functions

md5	4e561bae58f3c4aff15bd75ae480312d
sha1	77c79cee3eb2f5f072540f2f69f45f1354e9c7dc
sha256	1be503f52d9fda10e8a38b5fa788e3f7433f694c894744565ff6e9271dbcbfc4
sha512	6d18df3bb2a937bcac5edd772adb6ab9fe8606851f796dcc018d4c25c2c9d2d400c1af5a9ee622c27122d37082658abb0debc91feaacaaf4201566a2be07abf8
ripemd-160	1c2ae808344376c56474dc669b933c5fb9acf693

20421918 as geometric shapes

Circle

Radius = n

Diameter	40843836
Circumference	128314695.12203
Area	1.3102160909885E+15

Sphere

Radius = n

Volume	3.5676167429931E+22
Surface area	5.240864363954E+15
Circumference	128314695.12203

Square

Length = n

Perimeter	81687672
Area	417054734798724
Diagonal	28880953.405271

Cube

Length = n

Surface area	2502328408792344
Volume	8.5170575955713E+21
Space diagonal	35371799.564005

Equilateral Triangle

Length = n

Perimeter	61265754
Area	1.8058999755214E+14
Altitude	17685899.782003

Triangular Pyramid

Length = n

Surface area	1.8058999755214E+14
Volume	1.0037448635975E+21
Height	9626984.4684237