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

21568221 (number)

21568221 is an odd 8-digits composite number following 21568220 and preceding 21568222. In scientific notation, it is written as 2.1568221 × 10^7. The sum of its digits is 27. It has a total of 3 prime factors and 8 positive divisors. There are 14378796 positive integers (up to 21568221) that are relatively prime to 21568221.

Interesting facts

21568221 has 8 divisors, whose sum is 31952960
The reverse of 21568221 is 12286512
Previous prime number is 9

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 27
Digital Root 9

Name

Name	twenty-one million five hundred sixty-eight thousand two hundred twenty-one

Notation

Scientific notation	2.1568221 × 10^7
Engineering notation	2.1568221 × 10^6

Prime Factorization of 21568221

Prime Factorization 3 × 9 × 798823

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	21568221	Product of the distinct prime numbers

The prime factorization of 21568221 is 3 × 9 × 798823. Since it has a total of 3 prime factors.

Most popular turbo-numbers

4, 5, 99, 27, 348, 260, 1187, 5007, 58935, 83358, 182539, 393214, 8286886, 4160650, 6176756, 5921191, 590763290, 934305266, 652891007, 9831053103

Basic calculations (n = 21568221)

Multiplication

n×y

n×2	43136442
n×3	64704663
n×4	86272884
n×5	107841105

Division

n÷y

n÷2	10784110.5
n÷3	7189407
n÷3	5392055.25
n÷5	4313644.2

Exponentiation

n^y

n²	465188157104841
n³	1.003328097902E+22
n⁴	2.164000215106E+29
n⁵	4.6673634883453E+36

Nth Root

^y√n

²√n	4644.1598809688
³√n	278.35868423004
⁴√n	68.148073200706
⁵√n	29.292933453132

Divisors of 21568221

1, 3, 9, 27, 798823, 2396469, 7189407, 21568221

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	-21568220	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 21568221 can be divided by 8 positive divisors. The sum of these divisors (counting 21568221) is 1, the average is 0.125.

Base conversion 21568221

Base	System	Value
2	Binary	1010010010001101011011101
3	Ternary	1111120210001000
4	Quaternary	1102101223131
5	Quinary	21010140341
6	Senary	2050140513
8	Octal	122215335
10	Decimal	21568221
12	Duodecimal	7281739
16	Hexadecimal	1491add
20	Vigesimal	6eg0b1
36	Base36	cua59

Cryptographic Hash Functions

md5	7c180aaae1be1e73c2249343e8e3aeb9
sha1	2933ac5dd1b9b08ad5e827d70c7cc86530acce13
sha256	2155c8ad79dc53e82b8191e74c812d7ba922e01f6e012a88aec3f8b463933a84
sha512	a8d48b6561e5f09c49604708cb609d4c633dd650c6f3a44fb25245fc69819a9a54a4fdb878abd3cc5f6852c84a203ace587a2762307d2dd9a446830cd9465296
ripemd-160	8cd38f88262285c29da7f53b3d35c7a331b3ef9a

21568221 as geometric shapes

Circle

Radius = n

Diameter	43136442
Circumference	135517129.2892
Area	1.4614316968975E+15

Sphere

Radius = n

Volume	4.2027309086788E+22
Surface area	5.8457267875902E+15
Circumference	135517129.2892

Square

Length = n

Perimeter	86272884
Area	465188157104841
Diagonal	30502070.65446

Cube

Length = n

Surface area	2791128942629046
Volume	1.003328097902E+22
Space diagonal	37357254.600874

Equilateral Triangle

Length = n

Perimeter	64704663
Area	2.0143238079623E+14
Altitude	18678627.300437

Triangular Pyramid

Length = n

Surface area	2.0143238079623E+14
Volume	1.1824335029692E+21
Height	10167356.88482