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

21542018 (number)

21542018 is an even 8-digits composite number following 21542017 and preceding 21542019. In scientific notation, it is written as 2.1542018 × 10^7. The sum of its digits is 23. It has a total of 2 prime factors and 4 positive divisors. There are 10771008 positive integers (up to 21542018) that are relatively prime to 21542018.

Interesting facts

21542018 has 4 divisors, whose sum is 32313030
The reverse of 21542018 is 81024512
Previous prime number is 2

Basic properties

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

Name

Name	twenty-one million five hundred forty-two thousand eighteen

Notation

Scientific notation	2.1542018 × 10^7
Engineering notation	2.1542018 × 10^6

Prime Factorization of 21542018

Prime Factorization 2 × 10771009

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	21542018	Product of the distinct prime numbers

The prime factorization of 21542018 is 2 × 10771009. Since it has a total of 2 prime factors.

Most popular turbo-numbers

1, 1, 51, 89, 833, 911, 8448, 4236, 49281, 82348, 548648, 595345, 9923131, 601113, 57832301, 39135279, 872131901, 692314015, 9662822273, 6711894460

Basic calculations (n = 21542018)

Multiplication

n×y

n×2	43084036
n×3	64626054
n×4	86168072
n×5	107710090

Division

n÷y

n÷2	10771009
n÷3	7180672.6666667
n÷3	5385504.5
n÷5	4308403.6

Exponentiation

n^y

n²	464058539512324
n³	9.9967574112282E+21
n⁴	2.1535032809431E+29
n⁵	4.6390806441136E+36

Nth Root

^y√n

²√n	4641.3379536509
³√n	278.24591355799
⁴√n	68.127365673794
⁵√n	29.285812457767

Divisors of 21542018

1, 2, 10771009, 21542018

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	-21542017	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 21542018 can be divided by 4 positive divisors. The sum of these divisors (counting 21542018) is 1, the average is 0.25.

Base conversion 21542018

Base	System	Value
2	Binary	1010010001011010010000010
3	Ternary	1111112110002112
4	Quaternary	1102023102002
5	Quinary	21003321033
6	Senary	2045415322
8	Octal	122132202
10	Decimal	21542018
12	Duodecimal	726a542
16	Hexadecimal	148b482
20	Vigesimal	6ecf0i
36	Base36	ctpxe

Cryptographic Hash Functions

md5	f8776f915689ffaec498a9996f467140
sha1	532036656ad0791f6d499b3c249acfb0b8a51790
sha256	9af34687604d285c290c8d259cdf69a109ea5f5f3703a14a058a6255b0b5d13e
sha512	cb729fca08d7ce9147f9a87486ad79b09e3cbba4d170846954e51fe737d27b92a04422e3a29447a8777889c2337d169110883ffcb0cfdc910db1d33e0dd98b90
ripemd-160	e626201e0f8d8696ac9bd10e31ec42d3bdc3e4b7

21542018 as geometric shapes

Circle

Radius = n

Diameter	43084036
Circumference	135352490.9846
Area	1.4578828985675E+15

Sphere

Radius = n

Volume	4.1874319523778E+22
Surface area	5.8315315942701E+15
Circumference	135352490.9846

Square

Length = n

Perimeter	86168072
Area	464058539512324
Diagonal	30465014.016485

Cube

Length = n

Surface area	2784351237073944
Volume	9.9967574112282E+21
Space diagonal	37311869.673563

Equilateral Triangle

Length = n

Perimeter	64626054
Area	2.0094324203039E+14
Altitude	18655934.836782

Triangular Pyramid

Length = n

Surface area	2.0094324203039E+14
Volume	1.1781291592261E+21
Height	10155004.672162