20681129 is an odd 8-digits composite number following 20681128
and preceding 20681130 . In scientific notation, it is written as 2.0681129 × 10^7.
The sum of its digits is 29. It has a total of 3 prime factors and 8 positive divisors.
There are 16682304 positive integers (up to 20681129) that are relatively prime to 20681129.
20681129 has 8 divisors, whose sum is 22083840
The reverse of 20681129 is 92118602
Previous prime number is 17
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 29
Digital Root 2
Name
twenty million six hundred eighty-one thousand one hundred twenty-nine
Scientific notation
2.0681129 × 10^7
Engineering notation
2.0681129 × 10^6
Prime Factorization
119 × 17 × 10223
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20681129
Product of the distinct prime numbers
The prime factorization of 20681129 is 119 × 17 × 10223.
Since it has a total of 3 prime factors.
6 , 4 , 88 , 73 , 756 , 545 , 8034 , 1916 , 99757 , 21818 , 224626 , 193563 , 2930923 , 3990485 , 75414972 , 47270928 , 761447878 , 556065075 , 4866886566 , 7239972423
n×2
41362258
n×3
62043387
n×4
82724516
n×5
103405645
n÷2
10340564.5
n÷3
6893709.6666667
n÷3
5170282.25
n÷5
4136225.8
n2
427709096714641
n3
8.845507003629E+21
n4
1.8293507141245E+29
n5
3.7833038105052E+36
2 √n
4547.6509320747
3 √n
274.48887538788
4 √n
67.436273118217
5 √n
29.047907217145
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20681128
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20681129 can be divided by 8 positive divisors.
The sum of these divisors (counting 20681129) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001110111001000110101001
3
Ternary
1102220201011202
4
Quaternary
1032321012221
5
Quinary
20243244004
6
Senary
2015133545
8
Octal
116710651
10
Decimal
20681129
12
Duodecimal
6b142b5
16
Hexadecimal
13b91a9
20
Vigesimal
6952g9
36
Base36
cb9nt
md5
b5bfdfb5fdaeac69ef1c02b465f3cd30
sha1
a2f82121115e92c5b77e270cc5b99b3c34d87945
sha256
43c676be50364017094ff35de45c0a1645654c04b7dd297c1ec31697a2a43efd
sha512
e025c43362ab86cc341244c217d3f5c0067cb3eb19a4cdd83932d17fffc40c265d6fb2c07c8f42ab833ee52cde7c6dbabb59bdef5113b624b8b56a962ecde5e3
ripemd-160
23e22c5ad445df1bcc9e39c37766511ef1a12c10
Diameter
41362258
Circumference
129943365.86869
Area
1.3436877561122E+15
Volume
3.705197309317E+22
Surface area
5.374751024449E+15
Circumference
129943365.86869
Perimeter
82724516
Area
427709096714641
Diagonal
29247533.116988
Surface area
2566254580287846
Volume
8.845507003629E+21
Space diagonal
35820766.185886
Perimeter
62043387
Area
1.8520347159229E+14
Altitude
17910383.092943
Surface area
1.8520347159229E+14
Volume
1.0424529975499E+21
Height
9749177.7056625