20786872 is an even 8-digits composite number following 20786871
and preceding 20786873 . In scientific notation, it is written as 2.0786872 × 10^7.
The sum of its digits is 40. It has a total of 5 prime factors and 16 positive divisors.
There are 10338816 positive integers (up to 20786872) that are relatively prime to 20786872.
20786872 has 16 divisors, whose sum is 39180240
The reverse of 20786872 is 27868702
Previous prime number is 193
Is Prime? no
Number parity even
Number length 8
Sum of Digits 40
Digital Root 4
Name
twenty million seven hundred eighty-six thousand eight hundred seventy-two
Scientific notation
2.0786872 × 10^7
Engineering notation
2.0786872 × 10^6
Prime Factorization
2 × 2 × 2 × 193 × 13463
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
5196718
Product of the distinct prime numbers
The prime factorization of 20786872 is 2 × 2 × 2 × 193 × 13463.
Since it has a total of 5 prime factors.
3 , 8 , 8 , 58 , 247 , 821 , 5734 , 91 , 7793 , 22163 , 619776 , 523616 , 8294827 , 4758479 , 85971099 , 83331053 , 74537270 , 375021083 , 3466377256 , 1730345402
n×2
41573744
n×3
62360616
n×4
83147488
n×5
103934360
n÷2
10393436
n÷3
6928957.3333333
n÷3
5196718
n÷5
4157374.4
n2
432094047544384
n3
8.981883658267E+21
n4
1.8670526592329E+29
n5
3.8810184644734E+36
2 √n
4559.2622210178
3 √n
274.95590257104
4 √n
67.522309061656
5 √n
29.077551149744
1 , 2 , 4 , 8 , 193 , 386 , 772 , 1544 , 13463 , 26926 , 53852 , 107704 , 2598359 , 5196718 , 10393436 , 20786872
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
-20786871
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 20786872 can be divided by 16 positive divisors.
The sum of these divisors (counting 20786872) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001111010010111010111000
3
Ternary
1110010002020011
4
Quaternary
1033102322320
5
Quinary
20310134442
6
Senary
2021311304
8
Octal
117227270
10
Decimal
20786872
12
Duodecimal
6b65534
16
Hexadecimal
13d2eb8
20
Vigesimal
69i73c
36
Base36
cdj94
md5
5e42782287bbd42673175622025784b3
sha1
a639a0239f5f451e5af83f06aac5d9c90648b2ca
sha256
eafbba0066949c47120e5f1c7365b99d2965e5040d55f87b6dbe4c077dc1067f
sha512
9a7e5b18d495dd801e8465e85e50347c576a8807c76d8bcb7e6f0dafc96121a836995c37f13a7fe38d6addb2bf199cd4829d59e66459dd207bf511ec75794bda
ripemd-160
9647686f799eb3188360f29374aa5e264244a031
Diameter
41573744
Circumference
130607768.73262
Area
1.3574634854253E+15
Volume
3.762322628828E+22
Surface area
5.4298539417013E+15
Circumference
130607768.73262
Perimeter
83147488
Area
432094047544384
Diagonal
29397076.301714
Surface area
2592564285266304
Volume
8.981883658267E+21
Space diagonal
36003918.434431
Perimeter
62360616
Area
1.8710221099874E+14
Altitude
18001959.217215
Surface area
1.8710221099874E+14
Volume
1.0585251404315E+21
Height
9799025.4339045