21122009 is an odd 8-digits prime number following 21122008
and preceding 21122010 . In scientific notation, it is written as 2.1122009 × 10^7.
The sum of its digits is 17. It has a total of 1 prime factors and 2 positive divisors.
There are 21122008 positive integers (up to 21122009) that are relatively prime to 21122009.
21122009 has 2 divisors, whose sum is 21122010
The reverse of 21122009 is 90022112
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 17
Digital Root 8
Name
twenty-one million one hundred twenty-two thousand nine
Scientific notation
2.1122009 × 10^7
Engineering notation
2.1122009 × 10^6
Prime Factorization
21122009
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
21122009
Product of the distinct prime numbers
The prime factorization of 21122009 is 21122009.
Since it has a total of 1 prime factors.
9 , 2 , 9 , 88 , 96 , 286 , 2241 , 271 , 92916 , 94343 , 204950 , 381139 , 6199032 , 9912946 , 18548114 , 64326869 , 701439672 , 754317193 , 8783167952 , 8444885657
n×2
42244018
n×3
63366027
n×4
84488036
n×5
105610045
n÷2
10561004.5
n÷3
7040669.6666667
n÷3
5280502.25
n÷5
4224401.8
n2
446139264196081
n3
9.423357553603E+21
n4
1.9904024305742E+29
n5
4.204129805221E+36
2 √n
4595.8686882895
3 √n
276.42569346818
4 √n
67.79283655586
5 √n
29.170713016778
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
21122010
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
10561005
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
4595.8687970829
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.999999905312
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21122009 can be divided by 2 positive divisors.
The sum of these divisors (counting 21122009) is 21122010, the average is 10561005.
Base
System
Value
2
Binary
1010000100100101111011001
3
Ternary
1110202002221122
4
Quaternary
1100210233121
5
Quinary
20401401014
6
Senary
2032415025
8
Octal
120445731
10
Decimal
21122009
12
Duodecimal
70a7475
16
Hexadecimal
1424bd9
20
Vigesimal
6c0509
36
Base36
ckpuh
md5
30d51ec0404be10da78395fd2edfe527
sha1
41cea9502b7c39d4780f1f48544e7158f105a401
sha256
d389b663e2e4e43a4f0c35356df8b5833e06d4f73353012b27142d9e2556b0ba
sha512
7a024ce734421fd7e405c2f6a3fd8fd65ae1a7c47d3524e1fbe088a664b14388cce75a10530dbf0a3b3b46cb12d9ba16666aec64b0b05fbc3c99ad2b7ae34b59
ripemd-160
f246aee9b40b5ec20b7ce4a485645f283d88c8e7
Diameter
42244018
Circumference
132713496.60691
Area
1.4015878348764E+15
Volume
3.9472467816732E+22
Surface area
5.6063513395055E+15
Circumference
132713496.60691
Perimeter
84488036
Area
446139264196081
Diagonal
29871031.592367
Surface area
2676835585176486
Volume
9.423357553603E+21
Space diagonal
36584392.745927
Perimeter
63366027
Area
1.9318396820975E+14
Altitude
18292196.372964
Surface area
1.9318396820975E+14
Volume
1.1105533379497E+21
Height
9957010.5307889