20685771 is an odd 8-digits composite number following 20685770
and preceding 20685772 . In scientific notation, it is written as 2.0685771 × 10^7.
The sum of its digits is 36. It has a total of 4 prime factors and 16 positive divisors.
There are 13219200 positive integers (up to 20685771) that are relatively prime to 20685771.
20685771 has 16 divisors, whose sum is 23956800
The reverse of 20685771 is 17758602
Previous prime number is 41
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 36
Digital Root 9
Name
twenty million six hundred eighty-five thousand seven hundred seventy-one
Scientific notation
2.0685771 × 10^7
Engineering notation
2.0685771 × 10^6
Prime Factorization
9 × 61 × 41 × 919
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20685771
Product of the distinct prime numbers
The prime factorization of 20685771 is 9 × 61 × 41 × 919.
Since it has a total of 4 prime factors.
4 , 9 , 55 , 89 , 650 , 846 , 379 , 812 , 93036 , 40437 , 292325 , 989169 , 2412516 , 6518803 , 26805326 , 79585457 , 159055496 , 810282813 , 8323708154 , 9071507754
n×2
41371542
n×3
62057313
n×4
82743084
n×5
103428855
n÷2
10342885.5
n÷3
6895257
n÷3
5171442.75
n÷5
4137154.2
n2
427901121864441
n3
8.8514646175309E+21
n4
1.8309937009285E+29
n5
3.7875516399849E+36
2 √n
4548.1612768239
3 √n
274.50941072776
4 √n
67.44005691593
5 √n
29.049211094517
1 , 9 , 41 , 61 , 369 , 549 , 919 , 2501 , 8271 , 22509 , 37679 , 56059 , 339111 , 504531 , 2298419 , 20685771
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
-20685770
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 20685771 can be divided by 16 positive divisors.
The sum of these divisors (counting 20685771) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001110111010001111001011
3
Ternary
1102220221112200
4
Quaternary
1032322033023
5
Quinary
20243421041
6
Senary
2015211243
8
Octal
116721713
10
Decimal
20685771
12
Duodecimal
6b16b23
16
Hexadecimal
13ba3cb
20
Vigesimal
695e8b
36
Base36
cbd8r
md5
9b5370a55bdb61eed35e18a4bfd61ba6
sha1
df383ee34e935bfbf18fcaa84af4408df93f047d
sha256
a7ab03a02c9b75a3ce6339084947af5ca4e04b6456e16d65c76efadda3e5fcff
sha512
a5bd6c0812b87e6528e45c0848b9b82e75fa6e1d3afe20ff65cd4e4e1501422527a226243b3648ae4818dbbf49238159a49683293b153a887a0c1b4876b4a9db
ripemd-160
be2a031fcb986d6b3592c21e6a82f7982066db99
Diameter
41371542
Circumference
129972532.41488
Area
1.3442910209122E+15
Volume
3.7076928287927E+22
Surface area
5.3771640836486E+15
Circumference
129972532.41488
Perimeter
82743084
Area
427901121864441
Diagonal
29254097.896344
Surface area
2567406731186646
Volume
8.8514646175309E+21
Space diagonal
35828806.365735
Perimeter
62057313
Area
1.8528662092123E+14
Altitude
17914403.182867
Surface area
1.8528662092123E+14
Volume
1.0431551090815E+21
Height
9751365.965448