20693491 is an odd 8-digits composite number following 20693490
and preceding 20693492 . In scientific notation, it is written as 2.0693491 × 10^7.
The sum of its digits is 34. It has a total of 4 prime factors and 16 positive divisors.
There are 15659424 positive integers (up to 20693491) that are relatively prime to 20693491.
20693491 has 16 divisors, whose sum is 26578944
The reverse of 20693491 is 19439602
Previous prime number is 13
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 34
Digital Root 7
Name
twenty million six hundred ninety-three thousand four hundred ninety-one
Scientific notation
2.0693491 × 10^7
Engineering notation
2.0693491 × 10^6
Prime Factorization
7 × 23 × 13 × 9887
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20693491
Product of the distinct prime numbers
The prime factorization of 20693491 is 7 × 23 × 13 × 9887.
Since it has a total of 4 prime factors.
7 , 7 , 33 , 49 , 123 , 54 , 3241 , 7913 , 66621 , 62505 , 771058 , 965092 , 7022693 , 3825727 , 23237718 , 37262328 , 730690966 , 313631931 , 1562061152 , 952535522
n×2
41386982
n×3
62080473
n×4
82773964
n×5
103467455
n÷2
10346745.5
n÷3
6897830.3333333
n÷3
5173372.75
n÷5
4138698.2
n2
428220569767081
n3
8.86137850649E+21
n4
1.8337285637164E+29
n5
3.7946245529709E+36
2 √n
4549.0098922733
3 √n
274.54355576193
4 √n
67.446348250096
5 √n
29.05137902376
1 , 7 , 13 , 23 , 91 , 161 , 299 , 2093 , 9887 , 69209 , 128531 , 227401 , 899717 , 1591807 , 2956213 , 20693491
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
-20693490
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 20693491 can be divided by 16 positive divisors.
The sum of these divisors (counting 20693491) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001110111100000111110011
3
Ternary
1102221100010121
4
Quaternary
1032330013303
5
Quinary
20244142431
6
Senary
2015311111
8
Octal
116740763
10
Decimal
20693491
12
Duodecimal
6b1b497
16
Hexadecimal
13bc1f3
20
Vigesimal
696deb
36
Base36
cbj77
md5
7e4d2c6d57ce51353340d18c3127e7c2
sha1
264af8d733f600436f039d1bbcb98ff0f9056504
sha256
ddb4fa2f69bc518ebe5b163909606bdec56d0ea6ca321c15c695aec3ccfbe82b
sha512
b08a8a50f3e5879bde752765b9625399ebd268ef4f047143b4e81d8308a3c9dedd5750a10e60e78419dd22bb100578a7ec57f1f9ebe6d9657c4468983d4eaaed
ripemd-160
a0cac20d0523399d79093d9069f49ac23eb51b82
Diameter
41386982
Circumference
130021038.60545
Area
1.3452945960963E+15
Volume
3.711845548889E+22
Surface area
5.3811783843852E+15
Circumference
130021038.60545
Perimeter
82773964
Area
428220569767081
Diagonal
29265015.625046
Surface area
2569323418602486
Volume
8.86137850649E+21
Space diagonal
35842177.797969
Perimeter
62080473
Area
1.8542494592067E+14
Altitude
17921088.898985
Surface area
1.8542494592067E+14
Volume
1.0443234721E+21
Height
9755005.2083485