21072513 is an odd 8-digits composite number following 21072512
and preceding 21072514 . In scientific notation, it is written as 2.1072513 × 10^7.
The sum of its digits is 21. It has a total of 3 prime factors and 8 positive divisors.
There are 10945440 positive integers (up to 21072513) that are relatively prime to 21072513.
21072513 has 8 divisors, whose sum is 21995688
The reverse of 21072513 is 31527012
Previous prime number is 77
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 21
Digital Root 3
Name
twenty-one million seventy-two thousand five hundred thirteen
Scientific notation
2.1072513 × 10^7
Engineering notation
2.1072513 × 10^6
Prime Factorization
33 × 77 × 8293
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21072513
Product of the distinct prime numbers
The prime factorization of 21072513 is 33 × 77 × 8293.
Since it has a total of 3 prime factors.
2 , 3 , 78 , 96 , 882 , 988 , 7029 , 6112 , 67172 , 66051 , 427530 , 968522 , 607620 , 8680332 , 92979326 , 19272992 , 588706900 , 160732880 , 1870059099 , 9117119737
n×2
42145026
n×3
63217539
n×4
84290052
n×5
105362565
n÷2
10536256.5
n÷3
7024171
n÷3
5268128.25
n÷5
4214502.6
n2
444050804135169
n3
9.3572663427988E+21
n4
1.9718111665309E+29
n5
4.1551016440268E+36
2 √n
4590.4806937836
3 √n
276.20960500781
4 √n
67.753086230692
5 √n
29.157028817768
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21072512
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21072513 can be divided by 8 positive divisors.
The sum of these divisors (counting 21072513) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010000011000101010000001
3
Ternary
1110122121001110
4
Quaternary
1100120222001
5
Quinary
20343310023
6
Senary
2031353533
8
Octal
120305201
10
Decimal
21072513
12
Duodecimal
70828a9
16
Hexadecimal
1418a81
20
Vigesimal
6be15d
36
Base36
cjnnl
md5
9b7703673296053a989545249ca8ffca
sha1
f114870442e3a868c37b2e07a9bcda550af509f5
sha256
9c12053a3144c0d5e5e3e22d464fd7702594b2d0b8388e0676a025ca92eda27e
sha512
3f929b7666e757dbaf1108ab67a1945cf3b5f7049e66223c7196a8ec7fb71f7661ec029273ca8f4cfed20af023f4e61ed2f96a39bd5a3e1172ba04fb186d778f
ripemd-160
2604333797f2e7e6e7d07f3114f6b7a488b36d7f
Diameter
42145026
Circumference
132402504.06695
Area
1.3950267440917E+15
Volume
3.9195625600293E+22
Surface area
5.5801069763667E+15
Circumference
132402504.06695
Perimeter
84290052
Area
444050804135169
Diagonal
29801033.677883
Surface area
2664304824811014
Volume
9.3572663427988E+21
Space diagonal
36498663.159156
Perimeter
63217539
Area
1.9227963847598E+14
Altitude
18249331.579578
Surface area
1.9227963847598E+14
Volume
1.1027644140603E+21
Height
9933677.8926278