20304813 is an odd 8-digits composite number following 20304812
and preceding 20304814 . In scientific notation, it is written as 2.0304813 × 10^7.
The sum of its digits is 21. It has a total of 2 prime factors and 4 positive divisors.
There are 13536540 positive integers (up to 20304813) that are relatively prime to 20304813.
20304813 has 4 divisors, whose sum is 27073088
The reverse of 20304813 is 31840302
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 21
Digital Root 3
Name
twenty million three hundred four thousand eight hundred thirteen
Scientific notation
2.0304813 × 10^7
Engineering notation
2.0304813 × 10^6
Prime Factorization
3 × 6768271
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20304813
Product of the distinct prime numbers
The prime factorization of 20304813 is 3 × 6768271.
Since it has a total of 2 prime factors.
8 , 7 , 56 , 14 , 317 , 445 , 5870 , 2536 , 50155 , 67813 , 800904 , 636781 , 7169993 , 3123156 , 68931993 , 82843033 , 237647175 , 80789653 , 6972103128 , 7009961915
n×2
40609626
n×3
60914439
n×4
81219252
n×5
101524065
n÷2
10152406.5
n÷3
6768271
n÷3
5076203.25
n÷5
4060962.6
n2
412285430964969
n3
8.3713785783681E+21
n4
1.6997927658597E+29
n5
3.4513974249534E+36
2 √n
4506.0862175507
3 √n
272.81379780889
4 √n
67.127387983972
5 √n
28.941417536111
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20304812
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20304813 can be divided by 4 positive divisors.
The sum of these divisors (counting 20304813) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001101011101001110101101
3
Ternary
1102012120222010
4
Quaternary
1031131032231
5
Quinary
20144223223
6
Senary
2003111433
8
Octal
115351655
10
Decimal
20304813
12
Duodecimal
6972579
16
Hexadecimal
135d3ad
20
Vigesimal
66i20d
36
Base36
c37al
md5
8274ebdd46bac1aaf5ff3a5c8dd439e1
sha1
c05aeb70cfd226fca6ce00878e532574bd7e0988
sha256
3ddacb4d8951a4284990025bea43cdd4597d7d93113072ed85fb9a25f53da06d
sha512
a65d0f5b95c90a548033914b317db7721c81b5e3e8f65d3a7f27b2490c73d4c0ef34346a3970fa026227dc3967b0c2dd7e2468b8ce742dffad8631bbdbe78949
ripemd-160
d2e6b4834aedb01e1501b7e79acaac099f22b54b
Diameter
40609626
Circumference
127578902.70663
Area
1.2952328811016E+15
Volume
3.5065948589627E+22
Surface area
5.1809315244066E+15
Circumference
127578902.70663
Perimeter
81219252
Area
412285430964969
Diagonal
28715341.92605
Surface area
2473712585789814
Volume
8.3713785783681E+21
Space diagonal
35168967.754185
Perimeter
60914439
Area
1.7852482841294E+14
Altitude
17584483.877093
Surface area
1.7852482841294E+14
Volume
9.8657642677398E+20
Height
9571780.6420165