20685513 is an odd 8-digits composite number following 20685512
and preceding 20685514 . In scientific notation, it is written as 2.0685513 × 10^7.
The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors.
There are 13584384 positive integers (up to 20685513) that are relatively prime to 20685513.
20685513 has 8 divisors, whose sum is 27992608
The reverse of 20685513 is 31558602
Previous prime number is 67
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty million six hundred eighty-five thousand five hundred thirteen
Scientific notation
2.0685513 × 10^7
Engineering notation
2.0685513 × 10^6
Prime Factorization
3 × 67 × 102913
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20685513
Product of the distinct prime numbers
The prime factorization of 20685513 is 3 × 67 × 102913.
Since it has a total of 3 prime factors.
1 , 2 , 88 , 45 , 574 , 926 , 7260 , 7201 , 30568 , 81319 , 874776 , 853264 , 2111296 , 3397476 , 65321265 , 47571969 , 454641976 , 916047565 , 642352012 , 3305533893
n×2
41371026
n×3
62056539
n×4
82742052
n×5
103427565
n÷2
10342756.5
n÷3
6895171
n÷3
5171378.25
n÷5
4137102.6
n2
427890448073169
n3
8.8511334261934E+21
n4
1.8309023555226E+29
n5
3.7873154476893E+36
2 √n
4548.1329136251
3 √n
274.50826946465
4 √n
67.439846631091
5 √n
29.049138631819
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
-20685512
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 20685513 can be divided by 8 positive divisors.
The sum of these divisors (counting 20685513) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001110111010001011001001
3
Ternary
1102220221012010
4
Quaternary
1032322023021
5
Quinary
20243414023
6
Senary
2015210133
8
Octal
116721311
10
Decimal
20685513
12
Duodecimal
6b16949
16
Hexadecimal
13ba2c9
20
Vigesimal
695dfd
36
Base36
cbd1l
md5
7f24cf44b8640ae27b6edcd50f5a7f53
sha1
636de801842b7277e3b88adf6b695e4b3b99a16b
sha256
74e92b0ea611b9ee7c883f91601bacde59f7eb43d5bc38d6a8841a340084014d
sha512
297c39970f43654cfec5b71ffddc759116b12d4d18cdf6fd217c0542d1299a93490b75cb000294f5e537986007934b11e985ffd44906a7595e6bc3015f5201aa
ripemd-160
3315c710d51cc0a40ca678269b05044d54e58300
Diameter
41371026
Circumference
129970911.35307
Area
1.3442574882079E+15
Volume
3.7075540996896E+22
Surface area
5.3770299528316E+15
Circumference
129970911.35307
Perimeter
82742052
Area
427890448073169
Diagonal
29253733.029245
Surface area
2567342688439014
Volume
8.8511334261934E+21
Space diagonal
35828359.496627
Perimeter
62056539
Area
1.8528199903404E+14
Altitude
17914179.748313
Surface area
1.8528199903404E+14
Volume
1.043116077808E+21
Height
9751244.3430817