21084471 is an odd 8-digits composite number following 21084470
and preceding 21084472 . In scientific notation, it is written as 2.1084471 × 10^7.
The sum of its digits is 27. It has a total of 4 prime factors and 16 positive divisors.
There are 12531456 positive integers (up to 21084471) that are relatively prime to 21084471.
21084471 has 16 divisors, whose sum is 26114400
The reverse of 21084471 is 17448012
Previous prime number is 19
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 27
Digital Root 9
Name
twenty-one million eighty-four thousand four hundred seventy-one
Scientific notation
2.1084471 × 10^7
Engineering notation
2.1084471 × 10^6
Prime Factorization
9 × 17 × 19 × 7253
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21084471
Product of the distinct prime numbers
The prime factorization of 21084471 is 9 × 17 × 19 × 7253.
Since it has a total of 4 prime factors.
1 , 5 , 77 , 4 , 996 , 695 , 4801 , 5939 , 42385 , 53337 , 458545 , 407856 , 6411393 , 9011221 , 71570791 , 11947256 , 274925168 , 421461711 , 2089571547 , 3953193934
n×2
42168942
n×3
63253413
n×4
84337884
n×5
105422355
n÷2
10542235.5
n÷3
7028157
n÷3
5271117.75
n÷5
4216894.2
n2
444554917349841
n3
9.3732052627701E+21
n4
1.9762907453992E+29
n5
4.1669044908939E+36
2 √n
4591.7829870324
3 √n
276.26184193349
4 √n
67.762696131665
5 √n
29.160337209473
1 , 9 , 17 , 19 , 153 , 171 , 323 , 2907 , 7253 , 65277 , 123301 , 137807 , 1109709 , 1240263 , 2342719 , 21084471
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21084470
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21084471 can be divided by 16 positive divisors.
The sum of these divisors (counting 21084471) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010000011011100100110111
3
Ternary
1110200012110100
4
Quaternary
1100123210313
5
Quinary
20344200341
6
Senary
2031525143
8
Octal
120334467
10
Decimal
21084471
12
Duodecimal
70897b3
16
Hexadecimal
141b937
20
Vigesimal
6bfb3b
36
Base36
cjwvr
md5
cb4a78ae3b54baa5350ce5818f5dff79
sha1
18065e892edaf70eec2a97847b3fb6ac1ea571f9
sha256
d761a9e5b642c5f6172ba58650d3f1e8fda387930cc9dfa7f229c3ab2c36546d
sha512
915f042840d4987b927081c9bf7201eae75f37a86396b85292435c1778ff7e9047512171793c853b1e1e45ddeecd62a723b63b4293eba9f61191daa63b0b540e
ripemd-160
6842dd90538d5540865886f024c2899bbf09339d
Diameter
42168942
Circumference
132477638.39685
Area
1.3966104624635E+15
Volume
3.9262390392144E+22
Surface area
5.5864418498539E+15
Circumference
132477638.39685
Perimeter
84337884
Area
444554917349841
Diagonal
29817944.843662
Surface area
2667329504099046
Volume
9.3732052627701E+21
Space diagonal
36519375.022713
Perimeter
63253413
Area
1.9249792590113E+14
Altitude
18259687.511356
Surface area
1.9249792590113E+14
Volume
1.104642833793E+21
Height
9939314.9478874