21305061 is an odd 8-digits composite number following 21305060
and preceding 21305062 . In scientific notation, it is written as 2.1305061 × 10^7.
The sum of its digits is 18. It has a total of 3 prime factors and 8 positive divisors.
There are 12868416 positive integers (up to 21305061) that are relatively prime to 21305061.
21305061 has 8 divisors, whose sum is 22538880
The reverse of 21305061 is 16050312
Previous prime number is 19
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 18
Digital Root 9
Name
twenty-one million three hundred five thousand sixty-one
Scientific notation
2.1305061 × 10^7
Engineering notation
2.1305061 × 10^6
Prime Factorization
207 × 19 × 5417
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21305061
Product of the distinct prime numbers
The prime factorization of 21305061 is 207 × 19 × 5417.
Since it has a total of 3 prime factors.
4 , 7 , 6 , 90 , 285 , 549 , 3137 , 5729 , 41571 , 68196 , 289541 , 500335 , 6755485 , 7030597 , 66765231 , 49095430 , 632506997 , 877280992 , 6362629388 , 4348658225
n×2
42610122
n×3
63915183
n×4
85220244
n×5
106525305
n÷2
10652530.5
n÷3
7101687
n÷3
5326265.25
n÷5
4261012.2
n2
453905624213721
n3
9.6704870121164E+21
n4
2.0603031569285E+29
n5
4.3894884436854E+36
2 √n
4615.7405689662
3 √n
277.22193719556
4 √n
67.939241745593
5 √n
29.221099724025
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
-21305060
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 21305061 can be divided by 8 positive divisors.
The sum of these divisors (counting 21305061) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010001010001011011100101
3
Ternary
1111002102001100
4
Quaternary
1101101123211
5
Quinary
20423230221
6
Senary
2040350313
8
Octal
121213345
10
Decimal
21305061
12
Duodecimal
7175399
16
Hexadecimal
14516e5
20
Vigesimal
6d32d1
36
Base36
con39
md5
4cfdd76defa23e0e5a3da9778a8a42f8
sha1
3163717a93e60371cc5107e806fc11bfd240ed67
sha256
a6dede8339cee431f3061ff8da4ae6ead0c1d88caf5a5332149125925700cbc4
sha512
288370633b3e86ec2c8e8f47f08b07c57ead9ace6f152d736815ec7a4481a308ece5946098894c85bf03993af17571b066011823cf93c27286f2a862e9b1ee3b
ripemd-160
079888e159e175813dcbc931a473736522bbf854
Diameter
42610122
Circumference
133863646.24376
Area
1.4259865744529E+15
Volume
4.0507641271867E+22
Surface area
5.7039462978117E+15
Circumference
133863646.24376
Perimeter
85220244
Area
453905624213721
Diagonal
30129906.213386
Surface area
2723433745282326
Volume
9.6704870121164E+21
Space diagonal
36901448.110354
Perimeter
63915183
Area
1.9654690074486E+14
Altitude
18450724.055177
Surface area
1.9654690074486E+14
Volume
1.1396778239407E+21
Height
10043302.071129