20853685 is an odd 8-digits composite number following 20853684
and preceding 20853686 . In scientific notation, it is written as 2.0853685 × 10^7.
The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors.
There are 16682944 positive integers (up to 20853685) that are relatively prime to 20853685.
20853685 has 4 divisors, whose sum is 25024428
The reverse of 20853685 is 58635802
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 37
Digital Root 1
Name
twenty million eight hundred fifty-three thousand six hundred eighty-five
Scientific notation
2.0853685 × 10^7
Engineering notation
2.0853685 × 10^6
Prime Factorization
5 × 4170737
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20853685
Product of the distinct prime numbers
The prime factorization of 20853685 is 5 × 4170737.
Since it has a total of 2 prime factors.
9 , 6 , 96 , 21 , 270 , 564 , 2374 , 780 , 91808 , 51629 , 867039 , 493206 , 7401908 , 2974594 , 37503825 , 2980512 , 968706998 , 919029792 , 5572462486 , 1657652024
n×2
41707370
n×3
62561055
n×4
83414740
n×5
104268425
n÷2
10426842.5
n÷3
6951228.3333333
n÷3
5213421.25
n÷5
4170737
n2
434876178079225
n3
9.0687708316681E+21
n4
1.8911729026079E+29
n5
3.9437923991522E+36
2 √n
4566.5835150581
3 √n
275.25017454465
4 √n
67.57650120462
5 √n
29.096219331004
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20853684
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20853685 can be divided by 4 positive divisors.
The sum of these divisors (counting 20853685) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001111100011001110110101
3
Ternary
1110020110212201
4
Quaternary
1033203032311
5
Quinary
20314304220
6
Senary
2022544501
8
Octal
117431665
10
Decimal
20853685
12
Duodecimal
6b98131
16
Hexadecimal
13e33b5
20
Vigesimal
6a6e45
36
Base36
ceyt1
md5
fbc67c48c3a5eedd75fe29af328a0653
sha1
8367a8a50058e1d92a26aa78fe03ff386c58d3db
sha256
f10d3b7ebaf1dff2b7576d5027db0e1664b26aba12b2a4230540b90e95ef79aa
sha512
9b41a5928c86cac7cbb7302e4145503a2d1a97ccbc9897b70b0dc4096fa02f0635e391a6c05a6292d8f45ceb90d20e3262882740a0efef8731ea5ae65c395b81
ripemd-160
11e5d0e17ed03c433c5b1f4ed5736149bcb8ebb3
Diameter
41707370
Circumference
131027567.19255
Area
1.3662038062749E+15
Volume
3.7987178429144E+22
Surface area
5.4648152250996E+15
Circumference
131027567.19255
Perimeter
83414740
Area
434876178079225
Diagonal
29491564.152456
Surface area
2609257068475350
Volume
9.0687708316681E+21
Space diagonal
36119641.945037
Perimeter
62561055
Area
1.8830690885865E+14
Altitude
18059820.972518
Surface area
1.8830690885865E+14
Volume
1.0687648920165E+21
Height
9830521.3841521