21084211 is an odd 8-digits composite number following 21084210
and preceding 21084212 . In scientific notation, it is written as 2.1084211 × 10^7.
The sum of its digits is 19. It has a total of 2 prime factors and 4 positive divisors.
There are 20866752 positive integers (up to 21084211) that are relatively prime to 21084211.
21084211 has 4 divisors, whose sum is 21301672
The reverse of 21084211 is 11248012
Previous prime number is 97
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 19
Digital Root 1
Name
twenty-one million eighty-four thousand two hundred eleven
Scientific notation
2.1084211 × 10^7
Engineering notation
2.1084211 × 10^6
Prime Factorization
97 × 217363
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21084211
Product of the distinct prime numbers
The prime factorization of 21084211 is 97 × 217363.
Since it has a total of 2 prime factors.
9 , 5 , 82 , 22 , 648 , 19 , 6348 , 5631 , 49095 , 35197 , 686403 , 798259 , 6838927 , 5363882 , 94186996 , 41220708 , 417749946 , 962681557 , 6937575190 , 6062710602
n×2
42168422
n×3
63252633
n×4
84336844
n×5
105421055
n÷2
10542105.5
n÷3
7028070.3333333
n÷3
5271052.75
n÷5
4216842.2
n2
444543953492521
n3
9.3728585142105E+21
n4
1.9761932658676E+29
n5
4.1666475794332E+36
2 √n
4591.7546755026
3 √n
276.26070636829
4 √n
67.762487229311
5 √n
29.160265291851
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
-21084210
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 21084211 can be divided by 4 positive divisors.
The sum of these divisors (counting 21084211) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010000011011100000110011
3
Ternary
1110200012002201
4
Quaternary
1100123200303
5
Quinary
20344143321
6
Senary
2031524031
8
Octal
120334063
10
Decimal
21084211
12
Duodecimal
7089617
16
Hexadecimal
141b833
20
Vigesimal
6bfaab
36
Base36
cjwoj
md5
063380dfefac8d06282157badcd0124a
sha1
d6768e542a609c85d9bc18d6939bc2a7ae16cea4
sha256
07938fc18a5efa1c693a460fc4e660655ff14187ed49107d15eceeb97580b7ee
sha512
d092966b8b808bb6785f3ce2ba735a2bb1ad39535d3e34ace69aa9b02dbbc1061a920cc2c1d0887a94756bd21f66d7846b23030608ec1fb7675d6eb60e46f5ad
ripemd-160
47a59bd3257a2784fadf9bf46c3ae6d46306607e
Diameter
42168422
Circumference
132476004.76867
Area
1.3965760184899E+15
Volume
3.9260937935174E+22
Surface area
5.5863040739595E+15
Circumference
132476004.76867
Perimeter
84336844
Area
444543953492521
Diagonal
29817577.148136
Surface area
2667263720955126
Volume
9.3728585142105E+21
Space diagonal
36518924.689503
Perimeter
63252633
Area
1.9249317841165E+14
Altitude
18259462.344751
Surface area
1.9249317841165E+14
Volume
1.1046019690834E+21
Height
9939192.382712