21022906 is an even 8-digits composite number following 21022905
and preceding 21022907 . In scientific notation, it is written as 2.1022906 × 10^7.
The sum of its digits is 22. It has a total of 3 prime factors and 8 positive divisors.
There are 10485948 positive integers (up to 21022906) that are relatively prime to 21022906.
21022906 has 8 divisors, whose sum is 31610880
The reverse of 21022906 is 60922012
Previous prime number is 419
Is Prime? no
Number parity even
Number length 8
Sum of Digits 22
Digital Root 4
Name
twenty-one million twenty-two thousand nine hundred six
Scientific notation
2.1022906 × 10^7
Engineering notation
2.1022906 × 10^6
Prime Factorization
2 × 419 × 25087
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21022906
Product of the distinct prime numbers
The prime factorization of 21022906 is 2 × 419 × 25087.
Since it has a total of 3 prime factors.
4 , 9 , 19 , 54 , 636 , 834 , 8317 , 9107 , 85239 , 23814 , 38785 , 160490 , 2334811 , 6697779 , 62511110 , 42010636 , 468187805 , 16529848 , 7653740473 , 5130322217
n×2
42045812
n×3
63068718
n×4
84091624
n×5
105114530
n÷2
10511453
n÷3
7007635.3333333
n÷3
5255726.5
n÷5
4204581.2
n2
441962576684836
n3
9.2913377051631E+21
n4
1.953309191899E+29
n5
4.1064235530229E+36
2 √n
4585.0742633026
3 √n
275.99269216806
4 √n
67.713176437844
5 √n
29.143288105949
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21022905
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21022906 can be divided by 8 positive divisors.
The sum of these divisors (counting 21022906) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010000001100100010111010
3
Ternary
1110120002000011
4
Quaternary
1100030202322
5
Quinary
20340213111
6
Senary
2030332134
8
Octal
120144272
10
Decimal
21022906
12
Duodecimal
705a04a
16
Hexadecimal
140c8ba
20
Vigesimal
6b7h56
36
Base36
cildm
md5
3e9e59d1510dcecb7878a464420ceaca
sha1
44e6f8b023020223cc733eafdb9422278ee7210c
sha256
93a710b5d92710e1ae920af366269d8e473d29dec1f85ee927bab64eaf8684b9
sha512
6e9615bb0d4c045bd02b61ae36b81e2c9b28a740cdc6530657549f4f0c369f7ac4feca3293e7559a3f8dc95b99271cf3fe509aeb2288e7207dfe5ee893b11ae7
ripemd-160
5bb8602575e2c2a58c31b31d5073a738b1910910
Diameter
42045812
Circumference
132090814.09342
Area
1.3884663840747E+15
Volume
3.891946436875E+22
Surface area
5.5538655362988E+15
Circumference
132090814.09342
Perimeter
84091624
Area
441962576684836
Diagonal
29730878.785695
Surface area
2651775460109016
Volume
9.2913377051631E+21
Space diagonal
36412741.314745
Perimeter
63068718
Area
1.9137540946555E+14
Altitude
18206370.657372
Surface area
1.9137540946555E+14
Volume
1.0949946496025E+21
Height
9910292.9285649