20787028 is an even 8-digits composite number following 20787027
and preceding 20787029 . In scientific notation, it is written as 2.0787028 × 10^7.
The sum of its digits is 34. It has a total of 4 prime factors and 12 positive divisors.
There are 10301312 positive integers (up to 20787028) that are relatively prime to 20787028.
20787028 has 12 divisors, whose sum is 36700020
The reverse of 20787028 is 82078702
Previous prime number is 113
Is Prime? no
Number parity even
Number length 8
Sum of Digits 34
Digital Root 7
Name
twenty million seven hundred eighty-seven thousand twenty-eight
Scientific notation
2.0787028 × 10^7
Engineering notation
2.0787028 × 10^6
Prime Factorization
2 × 2 × 113 × 45989
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
10393514
Product of the distinct prime numbers
The prime factorization of 20787028 is 2 × 2 × 113 × 45989.
Since it has a total of 4 prime factors.
9 , 1 , 89 , 90 , 816 , 712 , 5860 , 1356 , 30653 , 88153 , 895950 , 416621 , 5693853 , 6210215 , 69271022 , 62535478 , 976586535 , 780039246 , 9380521226 , 4376277680
n×2
41574056
n×3
62361084
n×4
83148112
n×5
103935140
n÷2
10393514
n÷3
6929009.3333333
n÷3
5196757
n÷5
4157405.6
n2
432100533072784
n3
8.9820858797989E+21
n4
1.8671087068178E+29
n5
3.8811640967666E+36
2 √n
4559.2793290168
3 √n
274.9565903932
4 √n
67.522435745586
5 √n
29.077594793486
1 , 2 , 4 , 113 , 226 , 452 , 45989 , 91978 , 183956 , 5196757 , 10393514 , 20787028
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
-20787027
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 20787028 can be divided by 12 positive divisors.
The sum of these divisors (counting 20787028) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001111010010111101010100
3
Ternary
1110010002102221
4
Quaternary
1033102331110
5
Quinary
20310141103
6
Senary
2021312124
8
Octal
117227524
10
Decimal
20787028
12
Duodecimal
6b65644
16
Hexadecimal
13d2f54
20
Vigesimal
69i7b8
36
Base36
cdjdg
md5
424d1e86bf4cf98c1914ed6c99cbb7d6
sha1
eb1559e90d7bee5a061bd2f1af7d8e96451c0f1b
sha256
b0eaafd678c3e529cdcf82d87da9d098da6ddaa7dd68554224e5ff316907aaa6
sha512
3d8d1c540c8177107a352bd8bdd7947eef71155dc51c5c2acc83cfb1c31da8401ec9f8627789063ce7302e66a6ffbd4ec5fc9248aa447a5d0c71bf3ae7c2c6d5
ripemd-160
d957d2d48b625da5379ec7f56a98af467fb78567
Diameter
41574056
Circumference
130608748.90953
Area
1.3574838603137E+15
Volume
3.7624073351852E+22
Surface area
5.4299354412548E+15
Circumference
130608748.90953
Perimeter
83148112
Area
432100533072784
Diagonal
29397296.919029
Surface area
2592603198436704
Volume
8.9820858797989E+21
Space diagonal
36004188.634357
Perimeter
62361084
Area
1.8710501931491E+14
Altitude
18002094.317178
Surface area
1.8710501931491E+14
Volume
1.0585489724676E+21
Height
9799098.9730098