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

21490438 (number)

21490438 is an even 8-digits composite number following 21490437 and preceding 21490439. In scientific notation, it is written as 2.1490438 × 10^7. The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors. There are 10745218 positive integers (up to 21490438) that are relatively prime to 21490438.

Interesting facts

21490438 has 4 divisors, whose sum is 32235660
The reverse of 21490438 is 83409412
Previous prime number is 2

Basic properties

Is Prime? no
Number parity even
Number length 8
Sum of Digits 31
Digital Root 4

Name

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

Notation

Scientific notation	2.1490438 × 10^7
Engineering notation	2.1490438 × 10^6

Prime Factorization of 21490438

Prime Factorization 2 × 10745219

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	21490438	Product of the distinct prime numbers

The prime factorization of 21490438 is 2 × 10745219. Since it has a total of 2 prime factors.

Most popular turbo-numbers

2, 7, 63, 83, 303, 910, 4585, 7967, 93390, 62394, 24090, 239692, 1746495, 4080947, 88671317, 47712255, 910434188, 171361827, 6943058258, 6003942802

Basic calculations (n = 21490438)

Multiplication

n×y

n×2	42980876
n×3	64471314
n×4	85961752
n×5	107452190

Division

n÷y

n÷2	10745219
n÷3	7163479.3333333
n÷3	5372609.5
n÷5	4298087.6

Exponentiation

n^y

n²	461838925431844
n³	9.9251207929797E+21
n⁴	2.1329519304404E+29
n⁵	4.583807121811E+36

Nth Root

^y√n

²√n	4635.7780361014
³√n	278.02365963257
⁴√n	68.086548128844
⁵√n	29.271774673203

Divisors of 21490438

1, 2, 10745219, 21490438

4 divisors

τ	Total Divisors	4	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-21490437	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.25	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	4	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21490438 can be divided by 4 positive divisors. The sum of these divisors (counting 21490438) is 1, the average is 0.25.

Base conversion 21490438

Base	System	Value
2	Binary	1010001111110101100000110
3	Ternary	1111102211100011
4	Quaternary	1101332230012
5	Quinary	21000143223
6	Senary	2044340434
8	Octal	121765406
10	Decimal	21490438
12	Duodecimal	724471a
16	Hexadecimal	147eb06
20	Vigesimal	6e661i
36	Base36	csm4m

Cryptographic Hash Functions

md5	709c7f750b3e78120bd053d2000c7f44
sha1	dbc9070bdf60aa6ada000e4c71e883a11afae4c2
sha256	877595b8cfd7f40a69310b8b94ff6eb917028148fcdbc624afe234e29c1a2d68
sha512	d30837f229b90e7741150a45e8b9a96a463a42b8172e59ab742acf426c2901e2d6e3d3270281f6f83a35a833533e333cafd46fdf36ba5ddc6627c5bce7887aae
ripemd-160	50691db7a914d68541169588138bcc09cccbf0e4

21490438 as geometric shapes

Circle

Radius = n

Diameter	42980876
Circumference	135028404.28645
Area	1.4509097752785E+15

Sphere

Radius = n

Volume	4.1574248758955E+22
Surface area	5.8036391011139E+15
Circumference	135028404.28645

Square

Length = n

Perimeter	85961752
Area	461838925431844
Diagonal	30392068.880938

Cube

Length = n

Surface area	2771033552591064
Volume	9.9251207929797E+21
Space diagonal	37222530.492909

Equilateral Triangle

Length = n

Perimeter	64471314
Area	1.9998212094024E+14
Altitude	18611265.246454

Triangular Pyramid

Length = n

Surface area	1.9998212094024E+14
Volume	1.1696867028019E+21
Height	10130689.626979