20697931 is an odd 8-digits composite number following 20697930
and preceding 20697932 . In scientific notation, it is written as 2.0697931 × 10^7.
The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors.
There are 20307352 positive integers (up to 20697931) that are relatively prime to 20697931.
20697931 has 4 divisors, whose sum is 21088512
The reverse of 20697931 is 13979602
Previous prime number is 53
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 37
Digital Root 1
Name
twenty million six hundred ninety-seven thousand nine hundred thirty-one
Scientific notation
2.0697931 × 10^7
Engineering notation
2.0697931 × 10^6
Prime Factorization
53 × 390527
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20697931
Product of the distinct prime numbers
The prime factorization of 20697931 is 53 × 390527.
Since it has a total of 2 prime factors.
9 , 8 , 36 , 51 , 729 , 64 , 3949 , 5859 , 7242 , 63675 , 998786 , 842334 , 5680361 , 8078889 , 80939378 , 18873198 , 647333808 , 209265151 , 5338906306 , 1390276124
n×2
41395862
n×3
62093793
n×4
82791724
n×5
103489655
n÷2
10348965.5
n÷3
6899310.3333333
n÷3
5174482.75
n÷5
4139586.2
n2
428404347680761
n3
8.8670836283964E+21
n4
1.8353028511178E+29
n5
3.7986971776539E+36
2 √n
4549.4978843824
3 √n
274.5631897331
4 √n
67.449965784887
5 √n
29.052625570841
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20697930
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20697931 can be divided by 4 positive divisors.
The sum of these divisors (counting 20697931) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001110111101001101001011
3
Ternary
1102221120020001
4
Quaternary
1032331031023
5
Quinary
20244313211
6
Senary
2015343431
8
Octal
116751513
10
Decimal
20697931
12
Duodecimal
6b21b77
16
Hexadecimal
13bd34b
20
Vigesimal
6974gb
36
Base36
cbmmj
md5
b7a4b0e5b01689000ee9161c77eb742c
sha1
30998161e804c6dc271782164a6820784311456c
sha256
ba339c0889fe47fc435b6ac4c6d2d7f496b33d2070b0a32c7390c50c1a50e952
sha512
49458cf3de6752ea63a11b98e20298eed32f6a6d795f1b3174d93a48791689a5db65c44c693431beab79388f35228d76ce9e4dde054799e220f7db891be158f6
ripemd-160
8fe6bd5746955c8e4d2cc1d1676a3ea2e6a7ee78
Diameter
41395862
Circumference
130048935.94822
Area
1.3458719514398E+15
Volume
3.7142353047649E+22
Surface area
5.3834878057592E+15
Circumference
130048935.94822
Perimeter
82791724
Area
428404347680761
Diagonal
29271294.733263
Surface area
2570426086084566
Volume
8.8670836283964E+21
Space diagonal
35849868.103555
Perimeter
62093793
Area
1.8550452409162E+14
Altitude
17924934.051777
Surface area
1.8550452409162E+14
Volume
1.0449958271646E+21
Height
9757098.2444208