20685512 is an even 8-digits composite number following 20685511
and preceding 20685513 . In scientific notation, it is written as 2.0685512 × 10^7.
The sum of its digits is 29. It has a total of 5 prime factors and 16 positive divisors.
There are 10298880 positive integers (up to 20685512) that are relatively prime to 20685512.
20685512 has 16 divisors, whose sum is 38949900
The reverse of 20685512 is 21558602
Previous prime number is 241
Is Prime? no
Number parity even
Number length 8
Sum of Digits 29
Digital Root 2
Name
twenty million six hundred eighty-five thousand five hundred twelve
Scientific notation
2.0685512 × 10^7
Engineering notation
2.0685512 × 10^6
Prime Factorization
2 × 2 × 2 × 241 × 10729
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
5171378
Product of the distinct prime numbers
The prime factorization of 20685512 is 2 × 2 × 2 × 241 × 10729.
Since it has a total of 5 prime factors.
5 , 7 , 81 , 55 , 775 , 115 , 4026 , 9155 , 58810 , 33612 , 846673 , 469570 , 4177358 , 7094559 , 30320363 , 74475129 , 884006571 , 374807391 , 1851893451 , 6154842860
n×2
41371024
n×3
62056536
n×4
82742048
n×5
103427560
n÷2
10342756
n÷3
6895170.6666667
n÷3
5171378
n÷5
4137102.4
n2
427890406702144
n3
8.8511321425221E+21
n4
1.8309020014773E+29
n5
3.7873145322382E+36
2 √n
4548.1328036899
3 √n
274.50826504113
4 √n
67.43984581603
5 √n
29.049138350954
1 , 2 , 4 , 8 , 241 , 482 , 964 , 1928 , 10729 , 21458 , 42916 , 85832 , 2585689 , 5171378 , 10342756 , 20685512
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
-20685511
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 20685512 can be divided by 16 positive divisors.
The sum of these divisors (counting 20685512) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001110111010001011001000
3
Ternary
1102220221012002
4
Quaternary
1032322023020
5
Quinary
20243414022
6
Senary
2015210132
8
Octal
116721310
10
Decimal
20685512
12
Duodecimal
6b16948
16
Hexadecimal
13ba2c8
20
Vigesimal
695dfc
36
Base36
cbd1k
md5
f987b63cb21228c041d99df7214e3cce
sha1
09f41733b908fca165f95288b8827631ab91198d
sha256
551054a10fc2c8e99fb6d1b0794c7203983d08e4daef35b6c241043647c964a2
sha512
c26b26bfeb9079264e552ea212a0ad4705eb03ffd92cb21285a266224150bc03e5d8afd48014ad2453e03857770ba3cd6e16eb566f90fbe6085e2f5d5d8278a1
ripemd-160
71ab8b2bc6e586336176d509006324ead3495e01
Diameter
41371024
Circumference
129970905.06989
Area
1.344257358237E+15
Volume
3.7075535619866E+22
Surface area
5.377029432948E+15
Circumference
129970905.06989
Perimeter
82742048
Area
427890406702144
Diagonal
29253731.615031
Surface area
2567342440212864
Volume
8.8511321425221E+21
Space diagonal
35828357.764576
Perimeter
62056536
Area
1.8528198111986E+14
Altitude
17914178.882288
Surface area
1.8528198111986E+14
Volume
1.0431159265259E+21
Height
9751243.8716771