21284911 is an odd 8-digits prime number following 21284910
and preceding 21284912 . In scientific notation, it is written as 2.1284911 × 10^7.
The sum of its digits is 28. It has a total of 1 prime factors and 2 positive divisors.
There are 21284910 positive integers (up to 21284911) that are relatively prime to 21284911.
21284911 has 2 divisors, whose sum is 21284912
The reverse of 21284911 is 11948212
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 28
Digital Root 1
Name
twenty-one million two hundred eighty-four thousand nine hundred eleven
Scientific notation
2.1284911 × 10^7
Engineering notation
2.1284911 × 10^6
Prime Factorization
21284911
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
21284911
Product of the distinct prime numbers
The prime factorization of 21284911 is 21284911.
Since it has a total of 1 prime factors.
1 , 3 , 11 , 79 , 672 , 589 , 9477 , 8629 , 51343 , 60071 , 863212 , 935909 , 5628507 , 5731623 , 89744833 , 67543206 , 138331804 , 336711387 , 3243897920 , 8997574971
n×2
42569822
n×3
63854733
n×4
85139644
n×5
106424555
n÷2
10642455.5
n÷3
7094970.3333333
n÷3
5321227.75
n÷5
4256982.2
n2
453047436277921
n3
9.6430743599537E+21
n4
2.05251979518E+29
n5
4.3687701166144E+36
2 √n
4613.5573042935
3 √n
277.13451220894
4 √n
67.923172071786
5 √n
29.215570258148
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
21284912
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
10642456
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
4613.5574126698
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999060367
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21284911 can be divided by 2 positive divisors.
The sum of these divisors (counting 21284911) is 21284912, the average is 10642456.
Base
System
Value
2
Binary
1010001001100100000101111
3
Ternary
1111001101102001
4
Quaternary
1101030200233
5
Quinary
20422104121
6
Senary
2040113131
8
Octal
121144057
10
Decimal
21284911
12
Duodecimal
71657a7
16
Hexadecimal
144c82f
20
Vigesimal
6d0c5b
36
Base36
co7jj
md5
19018ddf98c1c20c0336fe91c018a30c
sha1
dbfc14c9ab287138ed04a29089099c744d00d075
sha256
a09e9b5a4d56fb6d6d1f8399e5cca46c59c7fca23d643d44a313e0420ba03325
sha512
de558ba0c85651a559f220fed418acadd3ddc61a862e195e24c6b8521ee3b40aa5b713e7f5af2ab04cd664190a6af5a652c8c3113eb72817920828f26ccc844e
ripemd-160
afc6114fbbb83c396c885391297a8fe7592fe2af
Diameter
42569822
Circumference
133737040.05983
Area
1.4232904975384E+15
Volume
4.0392815423001E+22
Surface area
5.6931619901536E+15
Circumference
133737040.05983
Perimeter
85139644
Area
453047436277921
Diagonal
30101409.810104
Surface area
2718284617667526
Volume
9.6430743599537E+21
Space diagonal
36866547.286582
Perimeter
63854733
Area
1.9617529446805E+14
Altitude
18433273.643291
Surface area
1.9617529446805E+14
Volume
1.1364472119016E+21
Height
10033803.270035