20685854 is an even 8-digits composite number following 20685853
and preceding 20685855 . In scientific notation, it is written as 2.0685854 × 10^7.
The sum of its digits is 38. It has a total of 4 prime factors and 16 positive divisors.
There are 8835000 positive integers (up to 20685854) that are relatively prime to 20685854.
20685854 has 16 divisors, whose sum is 35582976
The reverse of 20685854 is 45858602
Previous prime number is 311
Is Prime? no
Number parity even
Number length 8
Sum of Digits 38
Digital Root 2
Name
twenty million six hundred eighty-five thousand eight hundred fifty-four
Scientific notation
2.0685854 × 10^7
Engineering notation
2.0685854 × 10^6
Prime Factorization
2 × 7 × 311 × 4751
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20685854
Product of the distinct prime numbers
The prime factorization of 20685854 is 2 × 7 × 311 × 4751.
Since it has a total of 4 prime factors.
9 , 3 , 18 , 39 , 317 , 724 , 7208 , 2414 , 94781 , 50887 , 395498 , 993127 , 5510018 , 331402 , 11251427 , 9859561 , 520293827 , 137199363 , 5764990125 , 2033820628
n×2
41371708
n×3
62057562
n×4
82743416
n×5
103429270
n÷2
10342927
n÷3
6895284.6666667
n÷3
5171463.5
n÷5
4137170.8
n2
427904555709316
n3
8.8515711653378E+21
n4
1.8310230879679E+29
n5
3.7876276268333E+36
2 √n
4548.1704013812
3 √n
274.50977787628
4 √n
67.440124565285
5 √n
29.049234406006
1 , 2 , 7 , 14 , 311 , 622 , 2177 , 4354 , 4751 , 9502 , 33257 , 66514 , 1477561 , 2955122 , 10342927 , 20685854
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
-20685853
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 20685854 can be divided by 16 positive divisors.
The sum of these divisors (counting 20685854) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001110111010010000011110
3
Ternary
1102220221122202
4
Quaternary
1032322100132
5
Quinary
20243421404
6
Senary
2015211502
8
Octal
116722036
10
Decimal
20685854
12
Duodecimal
6b16b92
16
Hexadecimal
13ba41e
20
Vigesimal
695ece
36
Base36
cbdb2
md5
997f8d2655bc69a005e252e63218996b
sha1
b569f26fc251d7884fbdd067774e7fca79a3346e
sha256
e22304468a735434f5cf0b0d02f2111d39df79f8900502450159b599e616e4da
sha512
c04289a7e2a05a242cd665dcb72e3cb0657a76777da802eb90b77365eec48cc32ec67d07519a615731823dfc84e193de2fb36b951485d2cf104bf2087dd9c496
ripemd-160
f7d4ab979a9ec88a4c90e7c5a2bf2a2f54ebe42f
Diameter
41371708
Circumference
129973053.91926
Area
1.344301808654E+15
Volume
3.7077374594337E+22
Surface area
5.377207234616E+15
Circumference
129973053.91926
Perimeter
82743416
Area
427904555709316
Diagonal
29254215.27607
Surface area
2567427334255896
Volume
8.8515711653378E+21
Space diagonal
35828950.125952
Perimeter
62057562
Area
1.8528810781968E+14
Altitude
17914475.062976
Surface area
1.8528810781968E+14
Volume
1.0431676658609E+21
Height
9751405.0920232