21308306 is an even 8-digits composite number following 21308305
and preceding 21308307 . In scientific notation, it is written as 2.1308306 × 10^7.
The sum of its digits is 23. It has a total of 3 prime factors and 8 positive divisors.
There are 10406340 positive integers (up to 21308306) that are relatively prime to 21308306.
21308306 has 8 divisors, whose sum is 32705904
The reverse of 21308306 is 60380312
Previous prime number is 43
Is Prime? no
Number parity even
Number length 8
Sum of Digits 23
Digital Root 5
Name
twenty-one million three hundred eight thousand three hundred six
Scientific notation
2.1308306 × 10^7
Engineering notation
2.1308306 × 10^6
Prime Factorization
2 × 43 × 247771
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21308306
Product of the distinct prime numbers
The prime factorization of 21308306 is 2 × 43 × 247771.
Since it has a total of 3 prime factors.
5 , 10 , 84 , 44 , 284 , 873 , 2027 , 6966 , 59257 , 14831 , 2106 , 762290 , 7017336 , 6947646 , 17605652 , 61524725 , 954343450 , 375535274 , 3639545888 , 3801413846
n×2
42616612
n×3
63924918
n×4
85233224
n×5
106541530
n÷2
10654153
n÷3
7102768.6666667
n÷3
5327076.5
n÷5
4261661.2
n2
454043904589636
n3
9.6749064564308E+21
n4
2.06155867295E+29
n5
4.3928323040173E+36
2 √n
4616.092070139
3 √n
277.23601115225
4 √n
67.941828575179
5 √n
29.221989810114
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
-21308305
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 21308306 can be divided by 8 positive divisors.
The sum of these divisors (counting 21308306) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010001010010001110010010
3
Ternary
1111002120111112
4
Quaternary
1101102032102
5
Quinary
20423331211
6
Senary
2040413322
8
Octal
121221622
10
Decimal
21308306
12
Duodecimal
7177242
16
Hexadecimal
1452392
20
Vigesimal
6d3af6
36
Base36
cople
md5
8c39ae0fac91b4c2f22ddc677d7b3141
sha1
0a2517ff9a8dbda3bdc8a53c9fdc6ec1e6805881
sha256
c3133a1f42ca031a468a5b65caf5194e242314f4cbf83c0fe75036b96f9132ef
sha512
97927c33424568fd78ae8d39618c8bfeb89acedda18b6116481e11efa56401dd64548b019368ac6aadfaa20060d69e639616bbbc26f92a1899a74d310cbe00a2
ripemd-160
936c6ee73ed506c4bf2822a4d1a1bedc83cdd03f
Diameter
42616612
Circumference
133884035.18009
Area
1.426420995066E+15
Volume
4.0526153396922E+22
Surface area
5.7056839802641E+15
Circumference
133884035.18009
Perimeter
85233224
Area
454043904589636
Diagonal
30134495.336396
Surface area
2724263427537816
Volume
9.6749064564308E+21
Space diagonal
36907068.615225
Perimeter
63924918
Area
1.9660677790405E+14
Altitude
18453534.307612
Surface area
1.9660677790405E+14
Volume
1.140198660448E+21
Height
10044831.778799