20685711 is an odd 8-digits composite number following 20685710
and preceding 20685712 . In scientific notation, it is written as 2.0685711 × 10^7.
The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors.
There are 13286400 positive integers (up to 20685711) that are relatively prime to 20685711.
20685711 has 16 divisors, whose sum is 28597248
The reverse of 20685711 is 11758602
Previous prime number is 347
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty million six hundred eighty-five thousand seven hundred eleven
Scientific notation
2.0685711 × 10^7
Engineering notation
2.0685711 × 10^6
Prime Factorization
3 × 31 × 347 × 641
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20685711
Product of the distinct prime numbers
The prime factorization of 20685711 is 3 × 31 × 347 × 641.
Since it has a total of 4 prime factors.
10 , 9 , 84 , 12 , 939 , 761 , 8646 , 3753 , 41257 , 47018 , 96794 , 571342 , 8234007 , 7339153 , 84981932 , 43636656 , 91593591 , 96440525 , 2489273239 , 8168426078
n×2
41371422
n×3
62057133
n×4
82742844
n×5
103428555
n÷2
10342855.5
n÷3
6895237
n÷3
5171427.75
n÷5
4137142.2
n2
427898639575521
n3
8.8513875955524E+21
n4
1.8309724575058E+29
n5
3.7874967104925E+36
2 √n
4548.1546807469
3 √n
274.50914531858
4 √n
67.440008012655
5 √n
29.049194242791
1 , 3 , 31 , 93 , 347 , 641 , 1041 , 1923 , 10757 , 19871 , 32271 , 59613 , 222427 , 667281 , 6895237 , 20685711
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
-20685710
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 20685711 can be divided by 16 positive divisors.
The sum of these divisors (counting 20685711) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001110111010001110001111
3
Ternary
1102220221110110
4
Quaternary
1032322032033
5
Quinary
20243420321
6
Senary
2015211103
8
Octal
116721617
10
Decimal
20685711
12
Duodecimal
6b16a93
16
Hexadecimal
13ba38f
20
Vigesimal
695e5b
36
Base36
cbd73
md5
3ac64145b4561847b51d2b8e6bb4ce3b
sha1
7ee77c910d99e6a48bd5749e574b7d6703e84094
sha256
db1c5efa83b15531514b3a0cc3ea9cf5a4abf377d63556df834fca01006f098b
sha512
e0316462bca0ea6c1c06e44d59cc7deb230bc4f2b57cab820b391596324207e84619601c2e888056b19b8a70d8667c187a619a8f64cfb92ae1580f380cd95110
ripemd-160
c0e78e2d33281c86c0c02af9ba20107cc9fdb5db
Diameter
41371422
Circumference
129972155.42376
Area
1.3442832225715E+15
Volume
3.7076605659018E+22
Surface area
5.3771328902861E+15
Circumference
129972155.42376
Perimeter
82742844
Area
427898639575521
Diagonal
29254013.04353
Surface area
2567391837453126
Volume
8.8513875955524E+21
Space diagonal
35828702.442686
Perimeter
62057133
Area
1.852855460586E+14
Altitude
17914351.221343
Surface area
1.852855460586E+14
Volume
1.0431460319543E+21
Height
9751337.6811768