20409986 is an even 8-digits composite number following 20409985
and preceding 20409987 . In scientific notation, it is written as 2.0409986 × 10^7.
The sum of its digits is 38. It has a total of 3 prime factors and 8 positive divisors.
There are 10130368 positive integers (up to 20409986) that are relatively prime to 20409986.
20409986 has 8 divisors, whose sum is 30838860
The reverse of 20409986 is 68990402
Previous prime number is 137
Is Prime? no
Number parity even
Number length 8
Sum of Digits 38
Digital Root 2
Name
twenty million four hundred nine thousand nine hundred eighty-six
Scientific notation
2.0409986 × 10^7
Engineering notation
2.0409986 × 10^6
Prime Factorization
2 × 137 × 74489
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20409986
Product of the distinct prime numbers
The prime factorization of 20409986 is 2 × 137 × 74489.
Since it has a total of 3 prime factors.
9 , 4 , 1 , 17 , 764 , 390 , 3173 , 1151 , 28698 , 36155 , 654397 , 899549 , 7536712 , 5706138 , 75371219 , 60405295 , 403955871 , 144312728 , 6247138245 , 7302996701
n×2
40819972
n×3
61229958
n×4
81639944
n×5
102049930
n÷2
10204993
n÷3
6803328.6666667
n÷3
5102496.5
n÷5
4081997.2
n2
416567528520196
n3
8.5021374251518E+21
n4
1.7352850581742E+29
n5
3.5417143743345E+36
2 √n
4517.741249784
3 √n
273.28401879841
4 √n
67.214144715112
5 √n
28.971337227781
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
-20409985
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 20409986 can be divided by 8 positive divisors.
The sum of these divisors (counting 20409986) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001101110110111010000010
3
Ternary
1102101221020102
4
Quaternary
1031312322002
5
Quinary
20211104421
6
Senary
2005242402
8
Octal
115667202
10
Decimal
20409986
12
Duodecimal
6a03402
16
Hexadecimal
1376e82
20
Vigesimal
67b4j6
36
Base36
c5gg2
md5
8d58bda2e5e8a9e85c1cb6bca9d06d50
sha1
e11040a53da8a7490e7dea2350b4b03538ff3fce
sha256
f765b16dc4e160c935eee264b377328bf04b6d7b1c1d0f35d0b56827414d1dc2
sha512
876046ec69e1d757f0fdceb4b99105c45610e65d3f91313d5a80dac5f23698c3c394385529d122c77c9f25840e8f4138b9867099a9dc8327efbc38bd8e40d1f8
ripemd-160
7e05a2e408148f4dda4393ae921527553fcf10b0
Diameter
40819972
Circumference
128239724.15494
Area
1.3086854873231E+15
Volume
3.5613669966224E+22
Surface area
5.2347419492924E+15
Circumference
128239724.15494
Perimeter
81639944
Area
416567528520196
Diagonal
28864079.009045
Surface area
2499405171121176
Volume
8.5021374251518E+21
Space diagonal
35351132.733769
Perimeter
61229958
Area
1.8037903104509E+14
Altitude
17675566.366885
Surface area
1.8037903104509E+14
Volume
1.0019865046508E+21
Height
9621359.6696817