21082013 is an odd 8-digits prime number following 21082012
and preceding 21082014 . In scientific notation, it is written as 2.1082013 × 10^7.
The sum of its digits is 17. It has a total of 1 prime factors and 2 positive divisors.
There are 21082012 positive integers (up to 21082013) that are relatively prime to 21082013.
21082013 has 2 divisors, whose sum is 21082014
The reverse of 21082013 is 31028012
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 eighty-two thousand thirteen
Scientific notation
2.1082013 × 10^7
Engineering notation
2.1082013 × 10^6
Prime Factorization
21082013
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
21082013
Product of the distinct prime numbers
The prime factorization of 21082013 is 21082013.
Since it has a total of 1 prime factors.
3 , 3 , 100 , 49 , 873 , 222 , 213 , 141 , 49749 , 80699 , 936764 , 277210 , 4155993 , 9565426 , 89002060 , 58989077 , 24871523 , 444945970 , 5722352413 , 4470297046
n×2
42164026
n×3
63246039
n×4
84328052
n×5
105410065
n÷2
10541006.5
n÷3
7027337.6666667
n÷3
5270503.25
n÷5
4216402.6
n2
444451272132169
n3
9.3699274969569E+21
n4
1.975369332999E+29
n5
4.1644761958087E+36
2 √n
4591.5153272095
3 √n
276.25110610178
4 √n
67.760721123742
5 √n
29.159657282986
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
21082014
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
10541007
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
4591.515436106
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999051324
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21082013 can be divided by 2 positive divisors.
The sum of these divisors (counting 21082013) is 21082014, the average is 10541007.
Base
System
Value
2
Binary
1010000011010111110011101
3
Ternary
1110200002002022
4
Quaternary
1100122332131
5
Quinary
20344111023
6
Senary
2031505525
8
Octal
120327635
10
Decimal
21082013
12
Duodecimal
70882a5
16
Hexadecimal
141af9d
20
Vigesimal
6bf50d
36
Base36
cjuzh
md5
55adc98dc6bd313863b57daa08a1c9b6
sha1
b1299a518f1ecc4d33541a1f8287e883b8393755
sha256
80f9f0a8f0180e249f2822e87a4a72e56e26c19fad6501edc947f934d1e922e4
sha512
e77e021cc410beeef1d3809323079f6d5b96a26b894a275f5f10706860f5cf00c4874f638744a158b600757f97952b0867127c426d32f356330019bfacb98176
ripemd-160
ef9b9f9809846a87316dc9ee15eb59483d3a443f
Diameter
42164026
Circumference
132462194.32737
Area
1.3962848514091E+15
Volume
3.9248660518812E+22
Surface area
5.5851394056362E+15
Circumference
132462194.32737
Perimeter
84328052
Area
444451272132169
Diagonal
29814468.706726
Surface area
2666707632793014
Volume
9.3699274969569E+21
Space diagonal
36515117.641828
Perimeter
63246039
Area
1.9245304620538E+14
Altitude
18257558.820914
Surface area
1.9245304620538E+14
Volume
1.1042565453874E+21
Height
9938156.2355753