21006306 is an even 8-digits composite number following 21006305
and preceding 21006307 . In scientific notation, it is written as 2.1006306 × 10^7.
The sum of its digits is 18. It has a total of 4 prime factors and 16 positive divisors.
There are 6812640 positive integers (up to 21006306) that are relatively prime to 21006306.
21006306 has 16 divisors, whose sum is 35957880
The reverse of 21006306 is 60360012
Previous prime number is 37
Is Prime? no
Number parity even
Number length 8
Sum of Digits 18
Digital Root 9
Name
twenty-one million six thousand three hundred six
Scientific notation
2.1006306 × 10^7
Engineering notation
2.1006306 × 10^6
Prime Factorization
2 × 9 × 37 × 31541
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21006306
Product of the distinct prime numbers
The prime factorization of 21006306 is 2 × 9 × 37 × 31541.
Since it has a total of 4 prime factors.
7 , 2 , 92 , 22 , 579 , 415 , 8352 , 2644 , 73248 , 97984 , 857790 , 159232 , 5364527 , 5424253 , 8977154 , 56163611 , 230195304 , 438370659 , 8975208394 , 1725784395
n×2
42012612
n×3
63018918
n×4
84025224
n×5
105031530
n÷2
10503153
n÷3
7002102
n÷3
5251576.5
n÷5
4201261.2
n2
441264891765636
n3
9.2693453434858E+21
n4
1.9471470470494E+29
n5
4.0902366697316E+36
2 √n
4583.2636843193
3 √n
275.92003039162
4 √n
67.69980564462
5 √n
29.138684256657
1 , 2 , 9 , 18 , 37 , 74 , 333 , 666 , 31541 , 63082 , 283869 , 567738 , 1167017 , 2334034 , 10503153 , 21006306
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21006305
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21006306 can be divided by 16 positive divisors.
The sum of these divisors (counting 21006306) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010000001000011111100010
3
Ternary
1110112020020100
4
Quaternary
1100020133202
5
Quinary
20334200211
6
Senary
2030123230
8
Octal
120103742
10
Decimal
21006306
12
Duodecimal
7050516
16
Hexadecimal
14087e2
20
Vigesimal
6b5ff6
36
Base36
ci8ki
md5
4b0a5d7665b6dab3432457fca0b7a0ec
sha1
d64c0bc3c6ca868575cbe91299d473b2957c477f
sha256
a15ca79450159535ed0e173c1d0cdfb294a57c62373d06b5f41f9e76f2347a10
sha512
45a4c5e44dc49c84fb32a852a6a7ffdb1b94e25e6c624c1b26d90acfbcc67e105149f15ea6f4bda9137eb1cac80212e30cb18f0936f5ec6582b388313c3cb0ba
ripemd-160
580bb94233e88be663343c46e3eb39439d2220e3
Diameter
42012612
Circumference
131986513.21732
Area
1.386274542258E+15
Volume
3.8827342979576E+22
Surface area
5.5450981690321E+15
Circumference
131986513.21732
Perimeter
84025224
Area
441264891765636
Diagonal
29707402.840559
Surface area
2647589350593816
Volume
9.2693453434858E+21
Space diagonal
36383989.271339
Perimeter
63018918
Area
1.9107330303362E+14
Altitude
18191994.635669
Surface area
1.9107330303362E+14
Volume
1.0924028249231E+21
Height
9902467.6135198