20687086 is an even 8-digits composite number following 20687085
and preceding 20687087 . In scientific notation, it is written as 2.0687086 × 10^7.
The sum of its digits is 37. It has a total of 4 prime factors and 16 positive divisors.
There are 8289216 positive integers (up to 20687086) that are relatively prime to 20687086.
20687086 has 16 divisors, whose sum is 31674384
The reverse of 20687086 is 68078602
Previous prime number is 83
Is Prime? no
Number parity even
Number length 8
Sum of Digits 37
Digital Root 1
Name
twenty million six hundred eighty-seven thousand eighty-six
Scientific notation
2.0687086 × 10^7
Engineering notation
2.0687086 × 10^6
Prime Factorization
2 × 133 × 83 × 937
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20687086
Product of the distinct prime numbers
The prime factorization of 20687086 is 2 × 133 × 83 × 937.
Since it has a total of 4 prime factors.
9 , 3 , 65 , 72 , 378 , 590 , 2902 , 5882 , 14349 , 91043 , 583813 , 221070 , 203054 , 4708196 , 73467430 , 71220713 , 665977041 , 702327398 , 7211505953 , 8415248012
n×2
41374172
n×3
62061258
n×4
82748344
n×5
103435430
n÷2
10343543
n÷3
6895695.3333333
n÷3
5171771.5
n÷5
4137417.2
n2
427955527171396
n3
8.85315279477E+21
n4
1.8314593323655E+29
n5
3.7887556714147E+36
2 √n
4548.3058384414
3 √n
274.51522748341
4 √n
67.441128685998
5 √n
29.049580418351
1 , 2 , 83 , 133 , 166 , 266 , 937 , 1874 , 11039 , 22078 , 77771 , 124621 , 155542 , 249242 , 10343543 , 20687086
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
-20687085
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 20687086 can be divided by 16 positive divisors.
The sum of these divisors (counting 20687086) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001110111010100011101110
3
Ternary
1102221000100101
4
Quaternary
1032322203232
5
Quinary
20243441321
6
Senary
2015221314
8
Octal
116724356
10
Decimal
20687086
12
Duodecimal
6b1783a
16
Hexadecimal
13ba8ee
20
Vigesimal
695he6
36
Base36
cbe9a
md5
9cd26faf11dd24608f6f23dc6602c8b0
sha1
0d49e81b9182d9e45ff3a48a92a6c951528a0711
sha256
eef18ffe05885257aa219f436ea7898d84942fa04761396f8042ec56898d4af8
sha512
6d4be447715610887ba661065f3887c2d5c4b0e0720974185e4360eda1320c02f4dfd910ea0d46c7f1f6ad2ee430d3a2446e60d237ace24f1df2d1c75a74f6e6
ripemd-160
c72d7412ffef8e27cd7bebc75fdb58c7826dc99a
Diameter
41374172
Circumference
129980794.80356
Area
1.3444619402248E+15
Volume
3.708399970821E+22
Surface area
5.3778477608992E+15
Circumference
129980794.80356
Perimeter
82748344
Area
427955527171396
Diagonal
29255957.587179
Surface area
2567733163028376
Volume
8.85315279477E+21
Space diagonal
35831084.012547
Perimeter
62061258
Area
1.853101791102E+14
Altitude
17915542.006273
Surface area
1.853101791102E+14
Volume
1.0433540626771E+21
Height
9751985.8623929