20786972 is an even 8-digits composite number following 20786971
and preceding 20786973 . In scientific notation, it is written as 2.0786972 × 10^7.
The sum of its digits is 41. It has a total of 4 prime factors and 12 positive divisors.
There are 10172256 positive integers (up to 20786972) that are relatively prime to 20786972.
20786972 has 12 divisors, whose sum is 37151520
The reverse of 20786972 is 27968702
Previous prime number is 47
Is Prime? no
Number parity even
Number length 8
Sum of Digits 41
Digital Root 5
Name
twenty million seven hundred eighty-six thousand nine hundred seventy-two
Scientific notation
2.0786972 × 10^7
Engineering notation
2.0786972 × 10^6
Prime Factorization
2 × 2 × 47 × 110569
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
10393486
Product of the distinct prime numbers
The prime factorization of 20786972 is 2 × 2 × 47 × 110569.
Since it has a total of 4 prime factors.
8 , 4 , 33 , 99 , 871 , 311 , 3960 , 5612 , 23463 , 84517 , 821632 , 423742 , 8404310 , 9602714 , 77571788 , 17459945 , 130949715 , 965613250 , 3999549916 , 8392512943
n×2
41573944
n×3
62360916
n×4
83147888
n×5
103934860
n÷2
10393486
n÷3
6928990.6666667
n÷3
5196743
n÷5
4157394.4
n2
432098204928784
n3
8.9820132871049E+21
n4
1.8670885870268E+29
n5
3.8811118180045E+36
2 √n
4559.2731876912
3 √n
274.95634348308
4 √n
67.522390269386
5 √n
29.077579126532
1 , 2 , 4 , 47 , 94 , 188 , 110569 , 221138 , 442276 , 5196743 , 10393486 , 20786972
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20786971
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20786972 can be divided by 12 positive divisors.
The sum of these divisors (counting 20786972) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001111010010111100011100
3
Ternary
1110010002100212
4
Quaternary
1033102330130
5
Quinary
20310140342
6
Senary
2021311552
8
Octal
117227434
10
Decimal
20786972
12
Duodecimal
6b655b8
16
Hexadecimal
13d2f1c
20
Vigesimal
69i78c
36
Base36
cdjbw
md5
b4c9f64b5725bead49eae07fba4a44a0
sha1
79f67ee9374408af31429cb022108519d2963196
sha256
581cb01e50cd42500136bfedefd4a3a5deefb9c97ab5a920876fa81078ade6ad
sha512
b51e5d4a995177485008394bbc27251e6c16328a25f5f2a6495fb3682c58fc49b23152d2879915c1f380c63ff55ec9dbf8a95fe201a744edda05d0b8cd6ffd7c
ripemd-160
6b63838428591f4c46e182f3558fa5b4001b7215
Diameter
41573944
Circumference
130608397.05115
Area
1.3574765462336E+15
Volume
3.7623769276286E+22
Surface area
5.4299061849344E+15
Circumference
130608397.05115
Perimeter
83147888
Area
432098204928784
Diagonal
29397217.72307
Surface area
2592589229572704
Volume
8.9820132871049E+21
Space diagonal
36004091.639512
Perimeter
62360916
Area
1.8710401119899E+14
Altitude
18002045.819756
Surface area
1.8710401119899E+14
Volume
1.0585404173366E+21
Height
9799072.5743566