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

21542221 (number)

21542221 is an odd 8-digits composite number following 21542220 and preceding 21542222. In scientific notation, it is written as 2.1542221 × 10^7. The sum of its digits is 19. It has a total of 3 prime factors and 6 positive divisors. There are 21133008 positive integers (up to 21542221) that are relatively prime to 21542221.

Interesting facts

21542221 has 6 divisors, whose sum is 21959210
The reverse of 21542221 is 12224512
Previous prime number is 53

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 19
Digital Root 1

Name

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

Notation

Scientific notation	2.1542221 × 10^7
Engineering notation	2.1542221 × 10^6

Prime Factorization of 21542221

Prime Factorization 53 × 53 × 7669

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	406457	Product of the distinct prime numbers

The prime factorization of 21542221 is 53 × 53 × 7669. Since it has a total of 3 prime factors.

Most popular turbo-numbers

6, 8, 80, 13, 610, 649, 3663, 4139, 96531, 6867, 921619, 499425, 946382, 5975399, 21961197, 97781178, 248543669, 108085713, 7419064831, 5914764657

Basic calculations (n = 21542221)

Multiplication

n×y

n×2	43084442
n×3	64626663
n×4	86168884
n×5	107711105

Division

n÷y

n÷2	10771110.5
n÷3	7180740.3333333
n÷3	5385555.25
n÷5	4308444.2

Exponentiation

n^y

n²	464067285612841
n³	9.9970400255419E+21
n⁴	2.1535844557607E+29
n⁵	4.6392992288162E+36

Nth Root

^y√n

²√n	4641.3598222935
³√n	278.24678756684
⁴√n	68.127526171831
⁵√n	29.285867652201

Divisors of 21542221

1, 53, 2809, 7669, 406457, 21542221

6 divisors

τ	Total Divisors	6	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-21542220	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.16666666666667	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	6	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21542221 can be divided by 6 positive divisors. The sum of these divisors (counting 21542221) is 1, the average is 0.16666666666667.

Base conversion 21542221

Base	System	Value
2	Binary	1010010001011010101001101
3	Ternary	1111112110101001
4	Quaternary	1102023111031
5	Quinary	21003322341
6	Senary	2045420301
8	Octal	122132515
10	Decimal	21542221
12	Duodecimal	726a691
16	Hexadecimal	148b54d
20	Vigesimal	6ecfb1
36	Base36	ctq31

Cryptographic Hash Functions

md5	f689ffe5686c5e2cd4989d13c0ef2c35
sha1	07201367cfde6b6399476a2c39542fb2dcace97b
sha256	cb7a084472d3cd393bec5416befe7a8b8cf6d6c2ddc3c4fb01bf2352425157e5
sha512	39df6b5b95b43dc99d728b2524611a11a779ff0a588603af84938730b3732ca66e28271345549f256ffe730025627b93baeeddfc9bee9ac96ba9109c1eb7e8a9
ripemd-160	df0cdcd2a8b072c1efef092ff8909cb3de6bd815

21542221 as geometric shapes

Circle

Radius = n

Diameter	43084442
Circumference	135353766.47122
Area	1.4579103752527E+15

Sphere

Radius = n

Volume	4.1875503335848E+22
Surface area	5.8316415010106E+15
Circumference	135353766.47122

Square

Length = n

Perimeter	86168884
Area	464067285612841
Diagonal	30465301.101838

Cube

Length = n

Surface area	2784403713677046
Volume	9.9970400255419E+21
Space diagonal	37312221.279877

Equilateral Triangle

Length = n

Perimeter	64626663
Area	2.00947029203E+14
Altitude	18656110.639939

Triangular Pyramid

Length = n

Surface area	2.00947029203E+14
Volume	1.1781624656423E+21
Height	10155100.367279