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

21000221 (number)

21000221 is an odd 8-digits composite number following 21000220 and preceding 21000222. In scientific notation, it is written as 2.1000221 × 10^7. The sum of its digits is 8. It has a total of 2 prime factors and 4 positive divisors. There are 19091100 positive integers (up to 21000221) that are relatively prime to 21000221.

Interesting facts

21000221 has 4 divisors, whose sum is 22909344
The reverse of 21000221 is 12200012
Previous prime number is 11

Basic properties

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

Name

Name	twenty-one million two hundred twenty-one

Notation

Scientific notation	2.1000221 × 10^7
Engineering notation	2.1000221 × 10^6

Prime Factorization of 21000221

Prime Factorization 11 × 1909111

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	21000221	Product of the distinct prime numbers

The prime factorization of 21000221 is 11 × 1909111. Since it has a total of 2 prime factors.

Most popular turbo-numbers

8, 9, 64, 90, 370, 339, 9722, 5265, 32329, 12825, 992838, 313556, 5251542, 2599001, 73395437, 20329708, 729721278, 386526861, 9868124162, 2377541458

Basic calculations (n = 21000221)

Multiplication

n×y

n×2	42000442
n×3	63000663
n×4	84000884
n×5	105001105

Division

n÷y

n÷2	10500110.5
n÷3	7000073.6666667
n÷3	5250055.25
n÷5	4200044.2

Exponentiation

n^y

n²	441009282048841
n³	9.261292386077E+21
n⁴	1.9448918685323E+29
n⁵	4.0843159060282E+36

Nth Root

^y√n

²√n	4582.5998079693
³√n	275.8933854478
⁴√n	67.694902378017
⁵√n	29.136995911814

Divisors of 21000221

1, 11, 1909111, 21000221

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	-21000220	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 21000221 can be divided by 4 positive divisors. The sum of these divisors (counting 21000221) is 1, the average is 0.25.

Base conversion 21000221

Base	System	Value
2	Binary	1010000000111000000011101
3	Ternary	1110111220212222
4	Quaternary	1100013000131
5	Quinary	20334001341
6	Senary	2030035125
8	Octal	120070035
10	Decimal	21000221
12	Duodecimal	7048aa5
16	Hexadecimal	140701d
20	Vigesimal	6b50b1
36	Base36	ci3vh

Cryptographic Hash Functions

md5	9ca41bbe4bd4bb3503f660698ca74020
sha1	abffacc61f96424ead0706b6dc8d1882dc6e9bef
sha256	ca17005a6a874dacc5cf9067116361d78746419b58953fb168c9d278a296c6be
sha512	3060be4fc03cd06158c7f91aec01ee80c80bd62d158f6ecd50758e788c54e19be858f3ccb871aa07bd5f02f5ecffa652067c7ab8671409639278be9a9f76c054
ripemd-160	f6e9821992115dfb9a3dc4baf7abad91756ca68c

21000221 as geometric shapes

Circle

Radius = n

Diameter	42000442
Circumference	131948280.03472
Area	1.3854715206495E+15

Sphere

Radius = n

Volume	3.8793610830462E+22
Surface area	5.5418860825982E+15
Circumference	131948280.03472

Square

Length = n

Perimeter	84000884
Area	441009282048841
Diagonal	29698797.351032

Cube

Length = n

Surface area	2646055692293046
Volume	9.261292386077E+21
Space diagonal	36373449.742175

Equilateral Triangle

Length = n

Perimeter	63000663
Area	1.9096262077952E+14
Altitude	18186724.871087

Triangular Pyramid

Length = n

Surface area	1.9096262077952E+14
Volume	1.0914537747911E+21
Height	9899599.1170108