21052013 is an odd 8-digits composite number following 21052012
and preceding 21052014 . In scientific notation, it is written as 2.1052013 × 10^7.
The sum of its digits is 14. It has a total of 2 prime factors and 4 positive divisors.
There are 20865600 positive integers (up to 21052013) that are relatively prime to 21052013.
21052013 has 4 divisors, whose sum is 21238428
The reverse of 21052013 is 31025012
Previous prime number is 113
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 14
Digital Root 5
Name
twenty-one million fifty-two thousand thirteen
Scientific notation
2.1052013 × 10^7
Engineering notation
2.1052013 × 10^6
Prime Factorization
113 × 186301
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21052013
Product of the distinct prime numbers
The prime factorization of 21052013 is 113 × 186301.
Since it has a total of 2 prime factors.
10 , 5 , 58 , 28 , 179 , 27 , 430 , 5487 , 20784 , 4774 , 452693 , 639722 , 8167344 , 5560698 , 49645538 , 20337602 , 243193984 , 333802801 , 8302374367 , 8195783389
n×2
42104026
n×3
63156039
n×4
84208052
n×5
105260065
n÷2
10526006.5
n÷3
7017337.6666667
n÷3
5263003.25
n÷5
4210402.6
n2
443187251352169
n3
9.3299837769001E+21
n4
1.9641493976109E+29
n5
4.1349298652447E+36
2 √n
4588.2472688381
3 √n
276.12000749834
4 √n
67.736602135316
5 √n
29.15135363495
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
-21052012
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 21052013 can be divided by 4 positive divisors.
The sum of these divisors (counting 21052013) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010000010011101001101101
3
Ternary
1110121112221012
4
Quaternary
1100103221231
5
Quinary
20342131023
6
Senary
2031115005
8
Octal
120235155
10
Decimal
21052013
12
Duodecimal
7072a65
16
Hexadecimal
1413a6d
20
Vigesimal
6bba0d
36
Base36
cj7u5
md5
59c4116d4f1ce5b26758019b599d3fd9
sha1
17cdb3932c81e3724ed7b53b03c4c5f450575ffc
sha256
0a2343b4d375bff79bb75b3082b7a2d0ec8471369a940971a6dc7f335216ee77
sha512
d27ccaba5449c5bdcc2712b0197eb0978239c6ab9a0c54b5213ed1162c757622dd2b932ae5e4a215229475ec10adbc3db641d5500cb976bfedd2e296191053a2
ripemd-160
3cf2a6ac960b34ff2f4eff1809b6867bc224c41e
Diameter
42104026
Circumference
132273698.76815
Area
1.3923138130126E+15
Volume
3.9081344655495E+22
Surface area
5.5692552520505E+15
Circumference
132273698.76815
Perimeter
84208052
Area
443187251352169
Diagonal
29772042.299855
Surface area
2659123508113014
Volume
9.3299837769001E+21
Space diagonal
36463156.117601
Perimeter
63156039
Area
1.9190570915219E+14
Altitude
18231578.0588
Surface area
1.9190570915219E+14
Volume
1.0995491328344E+21
Height
9924014.0999516