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

21242642 (number)

21242642 is an even 8-digits composite number following 21242641 and preceding 21242643. In scientific notation, it is written as 2.1242642 × 10^7. The sum of its digits is 23. It has a total of 3 prime factors and 8 positive divisors. There are 10594944 positive integers (up to 21242642) that are relatively prime to 21242642.

Interesting facts

21242642 has 8 divisors, whose sum is 31943100
The reverse of 21242642 is 24624212
Previous prime number is 409

Basic properties

Is Prime? no
Number parity even
Number length 8
Sum of Digits 23
Digital Root 5

Name

Name	twenty-one million two hundred forty-two thousand six hundred forty-two

Notation

Scientific notation	2.1242642 × 10^7
Engineering notation	2.1242642 × 10^6

Prime Factorization of 21242642

Prime Factorization 2 × 409 × 25969

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	21242642	Product of the distinct prime numbers

The prime factorization of 21242642 is 2 × 409 × 25969. Since it has a total of 3 prime factors.

Most popular turbo-numbers

7, 6, 9, 36, 580, 90, 4014, 6033, 90607, 22310, 972487, 459248, 706453, 6322636, 18008465, 73327907, 214794523, 668930028, 3335023752, 5152532662

Basic calculations (n = 21242642)

Multiplication

n×y

n×2	42485284
n×3	63727926
n×4	84970568
n×5	106213210

Division

n÷y

n÷2	10621321
n÷3	7080880.6666667
n÷3	5310660.5
n÷5	4248528.4

Exponentiation

n^y

n²	451249839140164
n³	9.5857387854121E+21
n⁴	2.0362641732402E+29
n⁵	4.3255630849568E+36

Nth Root

^y√n

²√n	4608.974072394
³√n	276.95093988795
⁴√n	67.88942533557
⁵√n	29.203957383104

Divisors of 21242642

1, 2, 409, 818, 25969, 51938, 10621321, 21242642

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	-21242641	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 21242642 can be divided by 8 positive divisors. The sum of these divisors (counting 21242642) is 1, the average is 0.125.

Base conversion 21242642

Base	System	Value
2	Binary	1010001000010001100010010
3	Ternary	1110222020102112
4	Quaternary	1101002030102
5	Quinary	20414231032
6	Senary	2035145322
8	Octal	121021422
10	Decimal	21242642
12	Duodecimal	7145242
16	Hexadecimal	1442312
20	Vigesimal	6cf6c2
36	Base36	cnaxe

Cryptographic Hash Functions

md5	3c71598546691c7959fab9bfbd2457eb
sha1	e6e8e68ee04347dde6333c7d61ec1f5ab67768c4
sha256	4f1e84da274a8e60cf1e7111c354da2d50c4d7c67775beaa45a4025fdb42b4b2
sha512	99016bb4a58452193eb029ff853b6f678194c6f3e93f3983c6e94d034d14f4c2c8ee74eaa9c8d51c986316deba63686d7c1891f1f3794098aebabb1a07eee035
ripemd-160	8928c66423825fc51df15116248251c208a41027

21242642 as geometric shapes

Circle

Radius = n

Diameter	42485284
Circumference	133471456.10008
Area	1.4176431795763E+15

Sphere

Radius = n

Volume	4.0152648729975E+22
Surface area	5.6705727183053E+15
Circumference	133471456.10008

Square

Length = n

Perimeter	84970568
Area	451249839140164
Diagonal	30041632.417036

Cube

Length = n

Surface area	2707499034840984
Volume	9.5857387854121E+21
Space diagonal	36793335.230997

Equilateral Triangle

Length = n

Perimeter	63727926
Area	1.9539691207451E+14
Altitude	18396667.615498

Triangular Pyramid

Length = n

Surface area	1.9539691207451E+14
Volume	1.1296901496413E+21
Height	10013877.472345