21392911 is an odd 8-digits composite number following 21392910
and preceding 21392912 . In scientific notation, it is written as 2.1392911 × 10^7.
The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors.
There are 21181000 positive integers (up to 21392911) that are relatively prime to 21392911.
21392911 has 4 divisors, whose sum is 21604824
The reverse of 21392911 is 11929312
Previous prime number is 101
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 28
Digital Root 1
Name
twenty-one million three hundred ninety-two thousand nine hundred eleven
Scientific notation
2.1392911 × 10^7
Engineering notation
2.1392911 × 10^6
Prime Factorization
101 × 211811
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21392911
Product of the distinct prime numbers
The prime factorization of 21392911 is 101 × 211811.
Since it has a total of 2 prime factors.
7 , 7 , 5 , 93 , 1000 , 313 , 6646 , 7751 , 37910 , 81402 , 179272 , 835849 , 9064094 , 8050697 , 80395026 , 90842159 , 599986975 , 582399797 , 4820177979 , 1902921636
n×2
42785822
n×3
64178733
n×4
85571644
n×5
106964555
n÷2
10696455.5
n÷3
7130970.3333333
n÷3
5348227.75
n÷5
4278582.2
n2
457656641053921
n3
9.7906077906255E+21
n4
2.0944960110076E+29
n5
4.480736675334E+36
2 √n
4625.2471285327
3 √n
277.60245006516
4 √n
68.009169444515
5 √n
29.24515832675
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
-21392910
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 21392911 can be divided by 4 positive divisors.
The sum of these divisors (counting 21392911) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010001100110111000001111
3
Ternary
1111020212120001
4
Quaternary
1101212320033
5
Quinary
20434033121
6
Senary
2042305131
8
Octal
121467017
10
Decimal
21392911
12
Duodecimal
71b81a7
16
Hexadecimal
1466e0f
20
Vigesimal
6de25b
36
Base36
cqivj
md5
5b59c606d2c7ef70f84b947877bd5528
sha1
cd4b44f4bb23b9ed607371a0ffefad407dfc60de
sha256
163316dd34d028a04f535f69e690a733cda31fddad0ad17468f1e9f3ca627fc8
sha512
c2d1f95c7097541e7625b0145e284c816814f5c87911095d251c03dac9fb787deb6fa891c4c928962d77a3d32906273ff8e8974805176c97ac89d558cae057a9
ripemd-160
764420218a6f06e6eb969b94ebf93ce69185b157
Diameter
42785822
Circumference
134415624.073
Area
1.4377707414016E+15
Volume
4.1010802012277E+22
Surface area
5.7510829656063E+15
Circumference
134415624.073
Perimeter
85571644
Area
457656641053921
Diagonal
30254144.874841
Surface area
2745939846323526
Volume
9.7906077906255E+21
Space diagonal
37053608.773799
Perimeter
64178733
Area
1.9817113868168E+14
Altitude
18526804.3869
Surface area
1.9817113868168E+14
Volume
1.1538341934482E+21
Height
10084714.95828