21083211 is an odd 8-digits composite number following 21083210
and preceding 21083212 . In scientific notation, it is written as 2.1083211 × 10^7.
The sum of its digits is 18. It has a total of 4 prime factors and 12 positive divisors.
There are 14034240 positive integers (up to 21083211) that are relatively prime to 21083211.
21083211 has 12 divisors, whose sum is 30499560
The reverse of 21083211 is 11238012
Previous prime number is 2659
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 18
Digital Root 9
Name
twenty-one million eighty-three thousand two hundred eleven
Scientific notation
2.1083211 × 10^7
Engineering notation
2.1083211 × 10^6
Prime Factorization
3 × 3 × 2659 × 881
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
7027737
Product of the distinct prime numbers
The prime factorization of 21083211 is 3 × 3 × 2659 × 881.
Since it has a total of 4 prime factors.
6 , 3 , 11 , 51 , 48 , 483 , 9076 , 3699 , 49374 , 13846 , 991366 , 440631 , 7393320 , 7131740 , 64086921 , 68531356 , 167940568 , 811580287 , 427504433 , 4388004068
n×2
42166422
n×3
63249633
n×4
84332844
n×5
105416055
n÷2
10541605.5
n÷3
7027737
n÷3
5270802.75
n÷5
4216642.2
n2
444501786070521
n3
9.3715249456017E+21
n4
1.9758183781988E+29
n5
4.1656595765244E+36
2 √n
4591.6457833766
3 √n
276.25633872285
4 √n
67.761683740714
5 √n
29.159988679
1 , 3 , 9 , 881 , 2643 , 2659 , 7929 , 7977 , 23931 , 2342579 , 7027737 , 21083211
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21083210
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21083211 can be divided by 12 positive divisors.
The sum of these divisors (counting 21083211) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1010000011011010001001011
3
Ternary
1110200010201200
4
Quaternary
1100123101023
5
Quinary
20344130321
6
Senary
2031515243
8
Octal
120332113
10
Decimal
21083211
12
Duodecimal
7088b23
16
Hexadecimal
141b44b
20
Vigesimal
6bf80b
36
Base36
cjvwr
md5
144bddd511b321f1acd8e2ebbe6f8cea
sha1
7597f2c716cdc8d2bb4737c330a0c469799f7d71
sha256
8f6dbc672a7a21ca9d03c015f1e19056a9d3d65e37f9418ff4853f4bb2668733
sha512
afd677bf5f03e82572f920c9fc7ea17320af4ce0d9a82d40d515c42419db87f946077c562243bcb5d741d5813b351aab45a4b5d4c38cfdc995775bdf6a9f1830
ripemd-160
dfa47ba2fa3ce3a61f478595f153d02206a58612
Diameter
42166422
Circumference
132469721.58337
Area
1.3964435456267E+15
Volume
3.9255351896048E+22
Surface area
5.5857741825068E+15
Circumference
132469721.58337
Perimeter
84332844
Area
444501786070521
Diagonal
29816162.934574
Surface area
2667010716423126
Volume
9.3715249456017E+21
Space diagonal
36517192.638695
Perimeter
63249633
Area
1.9247491938231E+14
Altitude
18258596.319348
Surface area
1.9247491938231E+14
Volume
1.1044448065156E+21
Height
9938720.9781912