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

21438055 (number)

21438055 is an odd 8-digits composite number following 21438054 and preceding 21438056. In scientific notation, it is written as 2.1438055 × 10^7. The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors. There are 17150440 positive integers (up to 21438055) that are relatively prime to 21438055.

Interesting facts

21438055 has 4 divisors, whose sum is 25725672
The reverse of 21438055 is 55083412
Previous prime number is 5

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 28
Digital Root 1

Name

Name	twenty-one million four hundred thirty-eight thousand fifty-five

Notation

Scientific notation	2.1438055 × 10^7
Engineering notation	2.1438055 × 10^6

Prime Factorization of 21438055

Prime Factorization 5 × 4287611

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	21438055	Product of the distinct prime numbers

The prime factorization of 21438055 is 5 × 4287611. Since it has a total of 2 prime factors.

Most popular turbo-numbers

2, 10, 37, 47, 97, 969, 7852, 2491, 4380, 50578, 982667, 211121, 5389783, 1032955, 69762417, 58280976, 528783151, 302601675, 5626843466, 9979179478

Basic calculations (n = 21438055)

Multiplication

n×y

n×2	42876110
n×3	64314165
n×4	85752220
n×5	107190275

Division

n÷y

n÷2	10719027.5
n÷3	7146018.3333333
n÷3	5359513.75
n÷5	4287611

Exponentiation

n^y

n²	459590202183025
n³	9.8527200318608E+21
n⁴	2.1122315394263E+29
n⁵	4.5282135914956E+36

Nth Root

^y√n

²√n	4630.1247283416
³√n	277.79758137329
⁴√n	68.045019864363
⁵√n	29.257490733766

Divisors of 21438055

1, 5, 4287611, 21438055

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	-21438054	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 21438055 can be divided by 4 positive divisors. The sum of these divisors (counting 21438055) is 1, the average is 0.25.

Base conversion 21438055

Base	System	Value
2	Binary	1010001110001111001100111
3	Ternary	1111100011111001
4	Quaternary	1101301321213
5	Quinary	20442004210
6	Senary	2043254131
8	Octal	121617147
10	Decimal	21438055
12	Duodecimal	721a347
16	Hexadecimal	1471e67
20	Vigesimal	6djf2f
36	Base36	crhpj

Cryptographic Hash Functions

md5	986f4ad43b27c011550aadb7c61bf6c2
sha1	2c2641e7a3d31fb3f3cabd2afb003f35e7343fbc
sha256	2a3973f929e3d19620f8f958157b749be0d7febb3341dc940b7dc18aae017cb9
sha512	d4a7fbc7c4a867e1fe8317ee5e7fd5175822f0c2c1751fb7f44a00f6096c61ddbcba4fed8fc136a3f649aa6a2cb9be979447581b0dbe298543e9a7f8d408a95f
ripemd-160	b534a853137983828a92ab3fc3a3449c703e0fe5

21438055 as geometric shapes

Circle

Radius = n

Diameter	42876110
Circumference	134699272.19051
Area	1.44384520284E+15

Sphere

Radius = n

Volume	4.1270977159961E+22
Surface area	5.7753808113602E+15
Circumference	134699272.19051

Square

Length = n

Perimeter	85752220
Area	459590202183025
Diagonal	30317988.1319

Cube

Length = n

Surface area	2757541213098150
Volume	9.8527200318608E+21
Space diagonal	37131800.475456

Equilateral Triangle

Length = n

Perimeter	64314165
Area	1.9900839521046E+14
Altitude	18565900.237728

Triangular Pyramid

Length = n

Surface area	1.9900839521046E+14
Volume	1.1611541912769E+21
Height	10105996.043967