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

21492938 (number)

21492938 is an even 8-digits composite number following 21492937 and preceding 21492939. In scientific notation, it is written as 2.1492938 × 10^7. The sum of its digits is 38. It has a total of 3 prime factors and 8 positive divisors. There are 10484320 positive integers (up to 21492938) that are relatively prime to 21492938.

Interesting facts

21492938 has 8 divisors, whose sum is 33025860
The reverse of 21492938 is 83929412
Previous prime number is 41

Basic properties

Is Prime? no
Number parity even
Number length 8
Sum of Digits 38
Digital Root 2

Name

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

Notation

Scientific notation	2.1492938 × 10^7
Engineering notation	2.1492938 × 10^6

Prime Factorization of 21492938

Prime Factorization 2 × 41 × 262109

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	21492938	Product of the distinct prime numbers

The prime factorization of 21492938 is 2 × 41 × 262109. Since it has a total of 3 prime factors.

Most popular turbo-numbers

1, 3, 25, 36, 354, 205, 968, 7226, 11242, 56254, 146584, 227721, 4896673, 4804499, 70088584, 50164409, 427592064, 516997967, 3203413506, 5131454162

Basic calculations (n = 21492938)

Multiplication

n×y

n×2	42985876
n×3	64478814
n×4	85971752
n×5	107464690

Division

n÷y

n÷2	10746469
n÷3	7164312.6666667
n÷3	5373234.5
n÷5	4298587.6

Exponentiation

n^y

n²	461946383871844
n³	9.9285849878817E+21
n⁴	2.1339446157227E+29
n⁵	4.5864739321162E+36

Nth Root

^y√n

²√n	4636.0476701604
³√n	278.03444012013
⁴√n	68.088528183244
⁵√n	29.27245568335

Divisors of 21492938

1, 2, 41, 82, 262109, 524218, 10746469, 21492938

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	-21492937	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 21492938 can be divided by 8 positive divisors. The sum of these divisors (counting 21492938) is 1, the average is 0.125.

Base conversion 21492938

Base	System	Value
2	Binary	1010001111111010011001010
3	Ternary	1111102221202202
4	Quaternary	1101333103022
5	Quinary	21000233223
6	Senary	2044400202
8	Octal	121772312
10	Decimal	21492938
12	Duodecimal	7246062
16	Hexadecimal	147f4ca
20	Vigesimal	6e6c6i
36	Base36	cso22

Cryptographic Hash Functions

md5	311d8e1672160b3eba165f2ee228bcd7
sha1	43be7ce7c83cfbde357e6eece61ec401f9e1bec3
sha256	8e9326ab475ed533a98be30c837e3153d820d66613503ba8ce24245e069812c4
sha512	7276653a48e6e4f0452b65fe2c7fa62c8110c3ad685fc4f40715307fb982dae3e6c20e0428832c4a5da72a6d52089c821bc192f994026572b1dcfd8df0232bfc
ripemd-160	bb297348ccf6f43ae8245933193737e854e04843

21492938 as geometric shapes

Circle

Radius = n

Diameter	42985876
Circumference	135044112.24972
Area	1.4512473659242E+15

Sphere

Radius = n

Volume	4.1588759544628E+22
Surface area	5.8049894636966E+15
Circumference	135044112.24972

Square

Length = n

Perimeter	85971752
Area	461946383871844
Diagonal	30395604.414844

Cube

Length = n

Surface area	2771678303231064
Volume	9.9285849878817E+21
Space diagonal	37226860.619928

Equilateral Triangle

Length = n

Perimeter	64478814
Area	2.0002865180969E+14
Altitude	18613430.309964

Triangular Pyramid

Length = n

Surface area	2.0002865180969E+14
Volume	1.1700949620864E+21
Height	10131868.138281