20309621 is an odd 8-digits composite number following 20309620
and preceding 20309622 . In scientific notation, it is written as 2.0309621 × 10^7.
The sum of its digits is 23. It has a total of 3 prime factors and 8 positive divisors.
There are 19151440 positive integers (up to 20309621) that are relatively prime to 20309621.
20309621 has 8 divisors, whose sum is 21492864
The reverse of 20309621 is 12690302
Previous prime number is 71
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 23
Digital Root 5
Name
twenty million three hundred nine thousand six hundred twenty-one
Scientific notation
2.0309621 × 10^7
Engineering notation
2.0309621 × 10^6
Prime Factorization
23 × 71 × 12437
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20309621
Product of the distinct prime numbers
The prime factorization of 20309621 is 23 × 71 × 12437.
Since it has a total of 3 prime factors.
9 , 6 , 41 , 11 , 674 , 361 , 6189 , 8222 , 26798 , 54561 , 645416 , 508896 , 1171473 , 6334659 , 76556036 , 12557658 , 347932369 , 490944306 , 8695600553 , 5168220359
n×2
40619242
n×3
60928863
n×4
81238484
n×5
101548105
n÷2
10154810.5
n÷3
6769873.6666667
n÷3
5077405.25
n÷5
4061924.2
n2
412480705163641
n3
8.3773267916863E+21
n4
1.7014033213229E+29
n5
3.455485662421E+36
2 √n
4506.6196866388
3 √n
272.83532940703
4 √n
67.131361423993
5 √n
28.942788020612
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
-20309620
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 20309621 can be divided by 8 positive divisors.
The sum of these divisors (counting 20309621) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001101011110011001110101
3
Ternary
1102012211120012
4
Quaternary
1031132121311
5
Quinary
20144401441
6
Senary
2003150005
8
Octal
115363165
10
Decimal
20309621
12
Duodecimal
6975305
16
Hexadecimal
135e675
20
Vigesimal
66ie11
36
Base36
c3b05
md5
f8d911ba4784a2c84fb8373c7c51d2fa
sha1
aa9fdbdd84142af2a9598248b3b808e6bd82bd7a
sha256
06c02ed133fb1138cd0f5ce66e831b38ac67a1a659dfbe3d1f5c4b8718111a26
sha512
3ef4dfb8f5566cd2428d98360a31293dfebab1211adbdc34b0ff123122e1307cf0404854bd958b7c3ce89641b4ca9a5897dbe622b60d47242829c4f4d9e3b10b
ripemd-160
f9ee8a2703c72b9096895211b8ba4a8e763708e2
Diameter
40619242
Circumference
127609112.26159
Area
1.2958463530896E+15
Volume
3.509086440731E+22
Surface area
5.1833854123585E+15
Circumference
127609112.26159
Perimeter
81238484
Area
412480705163641
Diagonal
28722141.464857
Surface area
2474884230981846
Volume
8.3773267916863E+21
Space diagonal
35177295.454468
Perimeter
60928863
Area
1.7860938462132E+14
Altitude
17588647.727234
Surface area
1.7860938462132E+14
Volume
9.8727743043619E+20
Height
9574047.1549525