21032911 is an odd 8-digits composite number following 21032910
and preceding 21032912 . In scientific notation, it is written as 2.1032911 × 10^7.
The sum of its digits is 19. It has a total of 2 prime factors and 4 positive divisors.
There are 20354400 positive integers (up to 21032911) that are relatively prime to 21032911.
21032911 has 4 divisors, whose sum is 21711424
The reverse of 21032911 is 11923012
Previous prime number is 31
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 19
Digital Root 1
Name
twenty-one million thirty-two thousand nine hundred eleven
Scientific notation
2.1032911 × 10^7
Engineering notation
2.1032911 × 10^6
Prime Factorization
31 × 678481
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21032911
Product of the distinct prime numbers
The prime factorization of 21032911 is 31 × 678481.
Since it has a total of 2 prime factors.
1 , 5 , 7 , 14 , 728 , 460 , 1416 , 6038 , 26755 , 75783 , 856936 , 232210 , 3799525 , 6413543 , 46011444 , 54097939 , 230272101 , 457739413 , 9812163784 , 7935049527
n×2
42065822
n×3
63098733
n×4
84131644
n×5
105164555
n÷2
10516455.5
n÷3
7010970.3333333
n÷3
5258227.75
n÷5
4206582.2
n2
442383345133921
n3
9.304609526084E+21
n4
1.9570302405188E+29
n5
4.116204287314E+36
2 √n
4586.16517365
3 √n
276.03646773611
4 √n
67.721231335896
5 √n
29.146061491392
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
-21032910
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 21032911 can be divided by 4 positive divisors.
The sum of these divisors (counting 21032911) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010000001110111111001111
3
Ternary
1110120120201201
4
Quaternary
1100032333033
5
Quinary
20341023121
6
Senary
2030450331
8
Octal
120167717
10
Decimal
21032911
12
Duodecimal
70639a7
16
Hexadecimal
140efcf
20
Vigesimal
6b925b
36
Base36
cit3j
md5
bb62f96b8597d72739526bea4924f191
sha1
d0f74d0eb57cd66a0100529dfc6aa05d7c42dd1d
sha256
f2a8e4b641b8eba049163b3d069a245b1729ef2c95384dd5b5dacb40d60b68e1
sha512
e52838f8843024c923b1cb9ef53bafdd6c9ec448fc872c4b75428895703d45ec08546f81cbb760740db704d7a79178f4f6f6d032475ef7b01ea52a2d1137a9d3
ripemd-160
f9e647d4fb43382ab69ed353327fb417c371144d
Diameter
42065822
Circumference
132153677.36242
Area
1.3897882671432E+15
Volume
3.8975057242223E+22
Surface area
5.5591530685728E+15
Circumference
132153677.36242
Perimeter
84131644
Area
442383345133921
Diagonal
29745027.992386
Surface area
2654300070803526
Volume
9.304609526084E+21
Space diagonal
36430070.483074
Perimeter
63098733
Area
1.9155760754856E+14
Altitude
18215035.241537
Surface area
1.9155760754856E+14
Volume
1.0965587486978E+21
Height
9915009.3307954