21082912 is an even 8-digits composite number following 21082911
and preceding 21082913 . In scientific notation, it is written as 2.1082912 × 10^7.
The sum of its digits is 25. It has a total of 6 prime factors and 12 positive divisors.
There are 10541440 positive integers (up to 21082912) that are relatively prime to 21082912.
21082912 has 12 divisors, whose sum is 41507046
The reverse of 21082912 is 21928012
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 25
Digital Root 7
Name
twenty-one million eighty-two thousand nine hundred twelve
Scientific notation
2.1082912 × 10^7
Engineering notation
2.1082912 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 2 × 658841
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
1317682
Product of the distinct prime numbers
The prime factorization of 21082912 is 2 × 2 × 2 × 2 × 2 × 658841.
Since it has a total of 6 prime factors.
3 , 3 , 21 , 77 , 416 , 761 , 8018 , 3200 , 12011 , 42572 , 357513 , 705431 , 7727176 , 2061112 , 63908744 , 77721854 , 624269785 , 278063043 , 8738754204 , 812308351
n×2
42165824
n×3
63248736
n×4
84331648
n×5
105414560
n÷2
10541456
n÷3
7027637.3333333
n÷3
5270728
n÷5
4216582.4
n2
444489178399744
n3
9.3711262331541E+21
n4
1.9757062971448E+29
n5
4.165364200055E+36
2 √n
4591.6132241294
3 √n
276.25503277005
4 √n
67.761443492073
5 √n
29.15990596972
1 , 2 , 4 , 8 , 16 , 32 , 658841 , 1317682 , 2635364 , 5270728 , 10541456 , 21082912
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
-21082911
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 21082912 can be divided by 12 positive divisors.
The sum of these divisors (counting 21082912) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1010000011011001100100000
3
Ternary
1110200010022121
4
Quaternary
1100123030200
5
Quinary
20344123122
6
Senary
2031514024
8
Octal
120331440
10
Decimal
21082912
12
Duodecimal
7088914
16
Hexadecimal
141b320
20
Vigesimal
6bf75c
36
Base36
cjvog
md5
ae3373e690fa8c14d27931951d241c16
sha1
05b2b2957017e416b0238c748ee2699447b6cb8f
sha256
f49115d9c0a39a1a4dd32ee376388092f4dda6feac7245472816a474b92ce80d
sha512
3d434d1f9e81e0b32fd646f2b1b8ff0e9888832ec0d4e98eb8f6517fca1ae1d5e1e8790b1bbc38949c9bc7ea411b73258ec5bac82016d754d1325f558d906cd9
ripemd-160
63c75b5f178d14b581ba3626cbbae3dc8196e820
Diameter
42165824
Circumference
132467842.91096
Area
1.3964039374608E+15
Volume
3.9253681773253E+22
Surface area
5.5856157498432E+15
Circumference
132467842.91096
Perimeter
84331648
Area
444489178399744
Diagonal
29815740.084718
Surface area
2666935070398464
Volume
9.3711262331541E+21
Space diagonal
36516674.755504
Perimeter
63248736
Area
1.9246946010073E+14
Altitude
18258337.377752
Surface area
1.9246946010073E+14
Volume
1.1043978178031E+21
Height
9938580.0282395