20787020 is an even 8-digits composite number following 20787019
and preceding 20787021 . In scientific notation, it is written as 2.0787020 × 10^7.
The sum of its digits is 26. It has a total of 4 prime factors and 12 positive divisors.
There are 8314800 positive integers (up to 20787020) that are relatively prime to 20787020.
20787020 has 12 divisors, whose sum is 43652784
The reverse of 20787020 is 02078702
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 26
Digital Root 8
Name
twenty million seven hundred eighty-seven thousand twenty
Scientific notation
2.0787020 × 10^7
Engineering notation
2.0787020 × 10^6
Prime Factorization
2 × 2 × 5 × 1039351
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
10393510
Product of the distinct prime numbers
The prime factorization of 20787020 is 2 × 2 × 5 × 1039351.
Since it has a total of 4 prime factors.
5 , 7 , 74 , 91 , 679 , 7 , 9552 , 5081 , 81175 , 6059 , 591790 , 811940 , 6326628 , 9850771 , 52066255 , 51747203 , 589587792 , 134209319 , 7421027269 , 7514074199
n×2
41574040
n×3
62361060
n×4
83148080
n×5
103935100
n÷2
10393510
n÷3
6929006.6666667
n÷3
5196755
n÷5
4157404
n2
432100200480400
n3
8.9820755093901E+21
n4
1.867105832552E+29
n5
3.8811566283375E+36
2 √n
4559.2784516851
3 √n
274.95655512035
4 √n
67.522429248992
5 √n
29.077592555352
1 , 2 , 4 , 5 , 10 , 20 , 1039351 , 2078702 , 4157404 , 5196755 , 10393510 , 20787020
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
-20787019
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 20787020 can be divided by 12 positive divisors.
The sum of these divisors (counting 20787020) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001111010010111101001100
3
Ternary
1110010002102122
4
Quaternary
1033102331030
5
Quinary
20310141040
6
Senary
2021312112
8
Octal
117227514
10
Decimal
20787020
12
Duodecimal
6b65638
16
Hexadecimal
13d2f4c
20
Vigesimal
69i7b0
36
Base36
cdjd8
md5
5730a82c084e4419ff7947395703c1b8
sha1
8693109465b523407b9d31265e64d285f4100831
sha256
66f66e4ef691b8fba999dd490c5b3ddb9b58c1c133437cfaa48086f616a877cb
sha512
dfb5dbd7eb4817f817dc4426918389d9d5d309734ee50a263631ce6cbac6c39c6cd419c05b2149fcc3718eb5876b211b0cc58787a53c6c4c77e5013c45504e7d
ripemd-160
7e68826be234dfc21dd5a8cecba8a26e78189bf1
Diameter
41574040
Circumference
130608698.64405
Area
1.3574828154439E+15
Volume
3.7624029912385E+22
Surface area
5.4299312617756E+15
Circumference
130608698.64405
Perimeter
83148080
Area
432100200480400
Diagonal
29397285.605321
Surface area
2592601202882400
Volume
8.9820755093901E+21
Space diagonal
36004174.77795
Perimeter
62361060
Area
1.8710487529819E+14
Altitude
18002087.388975
Surface area
1.8710487529819E+14
Volume
1.0585477503032E+21
Height
9799095.2017736