20685873 is an odd 8-digits composite number following 20685872
and preceding 20685874 . In scientific notation, it is written as 2.0685873 × 10^7.
The sum of its digits is 39. It has a total of 3 prime factors and 8 positive divisors.
There are 12658560 positive integers (up to 20685873) that are relatively prime to 20685873.
20685873 has 8 divisors, whose sum is 21335040
The reverse of 20685873 is 37858602
Previous prime number is 191
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 39
Digital Root 3
Name
twenty million six hundred eighty-five thousand eight hundred seventy-three
Scientific notation
2.0685873 × 10^7
Engineering notation
2.0685873 × 10^6
Prime Factorization
39 × 191 × 2777
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20685873
Product of the distinct prime numbers
The prime factorization of 20685873 is 39 × 191 × 2777.
Since it has a total of 3 prime factors.
3 , 5 , 25 , 55 , 322 , 706 , 3075 , 4336 , 91431 , 11076 , 526412 , 881413 , 3303948 , 1362288 , 95260589 , 96652349 , 385848885 , 205478986 , 3558119683 , 8693571085
n×2
41371746
n×3
62057619
n×4
82743492
n×5
103429365
n÷2
10342936.5
n÷3
6895291
n÷3
5171468.25
n÷5
4137174.6
n2
427905341772129
n3
8.8515955559199E+21
n4
1.8310298151712E+29
n5
3.7876450215845E+36
2 √n
4548.1724901327
3 √n
274.50986192219
4 √n
67.440140051254
5 √n
29.04923974236
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
-20685872
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 20685873 can be divided by 8 positive divisors.
The sum of these divisors (counting 20685873) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001110111010010000110001
3
Ternary
1102220221200110
4
Quaternary
1032322100301
5
Quinary
20243421443
6
Senary
2015211533
8
Octal
116722061
10
Decimal
20685873
12
Duodecimal
6b16ba9
16
Hexadecimal
13ba431
20
Vigesimal
695edd
36
Base36
cbdbl
md5
4250cf99bae4fe866e0aded0fea8b454
sha1
c982aa6f46fc65f57eced36d9a7276c31dcb1699
sha256
106a4bec8e472dee89df918b50d17d0e3c30c7b15afd87eab80dd40ed262f91e
sha512
444a03c8ac193f304e71d507f427dcd51019afc20d29b5482e139d07b8572f9894478728f04b5d44e552f98015352cd9e88f1ce81be0e191443688269fd3067c
ripemd-160
e84a85f7f6362f9c3cf7497bb9d1684aa7f0e29d
Diameter
41371746
Circumference
129973173.29978
Area
1.3443042781432E+15
Volume
3.7077476761368E+22
Surface area
5.3772171125726E+15
Circumference
129973173.29978
Perimeter
82743492
Area
427905341772129
Diagonal
29254242.146127
Surface area
2567432050632774
Volume
8.8515955559199E+21
Space diagonal
35828983.034917
Perimeter
62057619
Area
1.8528844819486E+14
Altitude
17914491.517459
Surface area
1.8528844819486E+14
Volume
1.0431705403186E+21
Height
9751414.0487091