20081243 is an odd 8-digits composite number following 20081242
and preceding 20081244 . In scientific notation, it is written as 2.0081243 × 10^7.
The sum of its digits is 20. It has a total of 3 prime factors and 8 positive divisors.
There are 15888384 positive integers (up to 20081243) that are relatively prime to 20081243.
20081243 has 8 divisors, whose sum is 24715488
The reverse of 20081243 is 34218002
Previous prime number is 13
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 20
Digital Root 2
Name
twenty million eighty-one thousand two hundred forty-three
Scientific notation
2.0081243 × 10^7
Engineering notation
2.0081243 × 10^6
Prime Factorization
7 × 13 × 220673
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20081243
Product of the distinct prime numbers
The prime factorization of 20081243 is 7 × 13 × 220673.
Since it has a total of 3 prime factors.
7 , 4 , 20 , 62 , 601 , 388 , 6725 , 3997 , 12791 , 39855 , 778623 , 380009 , 2440780 , 5964905 , 65076153 , 40298300 , 331570097 , 845716353 , 7972310853 , 6539655390
n×2
40162486
n×3
60243729
n×4
80324972
n×5
100406215
n÷2
10040621.5
n÷3
6693747.6666667
n÷3
5020310.75
n÷5
4016248.6
n2
403256320425049
n3
8.0978881617413E+21
n4
1.6261565996275E+29
n5
3.2655245833173E+36
2 √n
4481.2099928479
3 √n
271.80881082168
4 √n
66.941840375418
5 √n
28.877401974678
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
-20081242
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 20081243 can be divided by 8 positive divisors.
The sum of these divisors (counting 20081243) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100100110101001011011
3
Ternary
1101210020021202
4
Quaternary
1030212221123
5
Quinary
20120044433
6
Senary
1554224415
8
Octal
114465133
10
Decimal
20081243
12
Duodecimal
688510b
16
Hexadecimal
1326a5b
20
Vigesimal
65a323
36
Base36
byesb
md5
2b332506a7c6ec5f2e12a09be0bf2abb
sha1
a70c63f47ef5fde063b665482c1d912d87f11a99
sha256
0774c4e78dad3dd3acb2f31ca2c9959a97056792fe640115150a521b1a4967f4
sha512
5b78e46d903fbb791ab94d267ae656ba6869e71e12c63cdd13560ab7cd302b679b679e478274cc63952fcd43432b5df4e5f33383f62e6438c2babe85e7ad97b4
ripemd-160
9ab0482777fd343fd95b0b93ca73b3f025b65ae4
Diameter
40162486
Circumference
126174170.9675
Area
1.266867093761E+15
Volume
3.3920354611358E+22
Surface area
5.0674683750439E+15
Circumference
126174170.9675
Perimeter
80324972
Area
403256320425049
Diagonal
28399166.19991
Surface area
2419537922550294
Volume
8.0978881617413E+21
Space diagonal
34781733.155137
Perimeter
60243729
Area
1.7461510886236E+14
Altitude
17390866.577568
Surface area
1.7461510886236E+14
Volume
9.5434527207625E+20
Height
9466388.7333033