20803986 is an even 8-digits composite number following 20803985
and preceding 20803987 . In scientific notation, it is written as 2.0803986 × 10^7.
The sum of its digits is 36. It has a total of 4 prime factors and 16 positive divisors.
There are 5812560 positive integers (up to 20803986) that are relatively prime to 20803986.
20803986 has 16 divisors, whose sum is 32065920
The reverse of 20803986 is 68930802
Previous prime number is 47
Is Prime? no
Number parity even
Number length 8
Sum of Digits 36
Digital Root 9
Name
twenty million eight hundred three thousand nine hundred eighty-six
Scientific notation
2.0803986 × 10^7
Engineering notation
2.0803986 × 10^6
Prime Factorization
2 × 189 × 47 × 1171
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20803986
Product of the distinct prime numbers
The prime factorization of 20803986 is 2 × 189 × 47 × 1171.
Since it has a total of 4 prime factors.
7 , 2 , 7 , 19 , 842 , 716 , 3468 , 7615 , 42672 , 36648 , 289136 , 912792 , 4432337 , 7808198 , 89089150 , 16438808 , 510291254 , 36608531 , 1822068246 , 2709502099
n×2
41607972
n×3
62411958
n×4
83215944
n×5
104019930
n÷2
10401993
n÷3
6934662
n÷3
5200996.5
n÷5
4160797.2
n2
432805833488196
n3
9.0040865006068E+21
n4
1.8732088950141E+29
n5
3.8970211626949E+36
2 √n
4561.1386736209
3 √n
275.03133967901
4 √n
67.536202688787
5 √n
29.08233753039
1 , 2 , 47 , 94 , 189 , 378 , 1171 , 2342 , 8883 , 17766 , 55037 , 110074 , 221319 , 442638 , 10401993 , 20803986
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
-20803985
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 20803986 can be divided by 16 positive divisors.
The sum of these divisors (counting 20803986) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001111010111000110010010
3
Ternary
1110010221201000
4
Quaternary
1033113012102
5
Quinary
20311211421
6
Senary
2021522430
8
Octal
117270622
10
Decimal
20803986
12
Duodecimal
6b73416
16
Hexadecimal
13d7192
20
Vigesimal
6a09j6
36
Base36
cdwgi
md5
9c11eba402adbea2ad723bf8616932ab
sha1
6582651ac6b7889ab5e33bc70c06a5986a00046c
sha256
fc5f23f06c5a82d410e3e3025cd8cd9e3e6fc87e9f54a313f0ddb2ca1c772372
sha512
f3de4ca5fd3285d1b9589a291bfa5bfb3dabd2a386c267361776c26323a80441a76ee8722e58d71b6be9e24809d39fa85e09f48b5d4b97d28ea96939ac211248
ripemd-160
f0ca346394c28b783f4960b60a8fefffc027667e
Diameter
41607972
Circumference
130715299.16597
Area
1.3596996269173E+15
Volume
3.7716229336791E+22
Surface area
5.4387985076693E+15
Circumference
130715299.16597
Perimeter
83215944
Area
432805833488196
Diagonal
29421279.15262
Surface area
2596835000929176
Volume
9.0040865006068E+21
Space diagonal
36033560.751952
Perimeter
62411958
Area
1.8741042335344E+14
Altitude
18016780.375976
Surface area
1.8741042335344E+14
Volume
1.0611417704949E+21
Height
9807093.0508733