21000306 is an even 8-digits composite number following 21000305
and preceding 21000307 . In scientific notation, it is written as 2.1000306 × 10^7.
The sum of its digits is 12. It has a total of 4 prime factors and 16 positive divisors.
There are 6927744 positive integers (up to 21000306) that are relatively prime to 21000306.
21000306 has 16 divisors, whose sum is 42434784
The reverse of 21000306 is 60300012
Previous prime number is 97
Is Prime? no
Number parity even
Number length 8
Sum of Digits 12
Digital Root 3
Name
twenty-one million three hundred six
Scientific notation
2.1000306 × 10^7
Engineering notation
2.1000306 × 10^6
Prime Factorization
2 × 3 × 97 × 36083
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21000306
Product of the distinct prime numbers
The prime factorization of 21000306 is 2 × 3 × 97 × 36083.
Since it has a total of 4 prime factors.
3 , 1 , 92 , 55 , 802 , 456 , 9084 , 8719 , 48457 , 34031 , 950481 , 982190 , 5461661 , 155187 , 98532387 , 65779522 , 602241700 , 74055836 , 9078841704 , 9142097221
n×2
42000612
n×3
63000918
n×4
84001224
n×5
105001530
n÷2
10500153
n÷3
7000102
n÷3
5250076.5
n÷5
4200061.2
n2
441012852093636
n3
9.2614048438991E+21
n4
1.9449233571176E+29
n5
4.0843985646018E+36
2 √n
4582.6090821714
3 √n
275.89375768049
4 √n
67.694970877986
5 √n
29.137019498619
1 , 2 , 3 , 6 , 97 , 194 , 291 , 582 , 36083 , 72166 , 108249 , 216498 , 3500051 , 7000102 , 10500153 , 21000306
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
-21000305
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 21000306 can be divided by 16 positive divisors.
The sum of these divisors (counting 21000306) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010000000111000001110010
3
Ternary
1110111221000010
4
Quaternary
1100013001302
5
Quinary
20334002211
6
Senary
2030035350
8
Octal
120070162
10
Decimal
21000306
12
Duodecimal
7048b56
16
Hexadecimal
1407072
20
Vigesimal
6b50f6
36
Base36
ci3xu
md5
fc9cfafbecb8170f4828c6b29180082e
sha1
67fe52928c867c2a41a427cb20839f9ec78ad000
sha256
86ff29d9b2270fe83ae3e514bba063de3a9d958ba467674d18ab7051b390db3c
sha512
5730185ee95b44c0dd0c7627595dcb046a30c494114511aec145c5a7960cb37470e9fffff2b91b06eb89aceb718bc9021853ec5e3937e49c9c4f49a4a16fe939
ripemd-160
600ff9bc821ffa8d673d711cac0849ba3f75e4a2
Diameter
42000612
Circumference
131948814.10548
Area
1.385482736276E+15
Volume
3.8794081892686E+22
Surface area
5.5419309451042E+15
Circumference
131948814.10548
Perimeter
84001224
Area
441012852093636
Diagonal
29698917.559185
Surface area
2646077112561816
Volume
9.2614048438991E+21
Space diagonal
36373596.966494
Perimeter
63000918
Area
1.9096416665426E+14
Altitude
18186798.483247
Surface area
1.9096416665426E+14
Volume
1.0914670280725E+21
Height
9899639.186395