20697957 is an odd 8-digits composite number following 20697956
and preceding 20697958 . In scientific notation, it is written as 2.0697957 × 10^7.
The sum of its digits is 45. It has a total of 5 prime factors and 32 positive divisors.
There are 11695104 positive integers (up to 20697957) that are relatively prime to 20697957.
20697957 has 32 divisors, whose sum is 35436800
The reverse of 20697957 is 75979602
Previous prime number is 97
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 45
Digital Root 9
Name
twenty million six hundred ninety-seven thousand nine hundred fifty-seven
Scientific notation
2.0697957 × 10^7
Engineering notation
2.0697957 × 10^6
Prime Factorization
7 × 3 × 9 × 97 × 1129
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
20697957
Product of the distinct prime numbers
The prime factorization of 20697957 is 7 × 3 × 9 × 97 × 1129.
Since it has a total of 5 prime factors.
3 , 2 , 100 , 56 , 966 , 708 , 7600 , 1471 , 52404 , 28334 , 823197 , 421992 , 3526514 , 5827389 , 51335340 , 91339589 , 670409451 , 987630292 , 5492459841 , 3860564402
n×2
41395914
n×3
62093871
n×4
82791828
n×5
103489785
n÷2
10348978.5
n÷3
6899319
n÷3
5174489.25
n÷5
4139591.4
n2
428405423973849
n3
8.8671170439775E+21
n4
1.8353120729021E+29
n5
3.7987210366509E+36
2 √n
4549.5007418397
3 √n
274.56330469854
4 √n
67.449986966935
5 √n
29.052632869811
1 , 3 , 7 , 9 , 21 , 27 , 63 , 97 , 189 , 291 , 679 , 873 , 1129 , 2037 , 2619 , 3387 , 6111 , 7903 , 10161 , 18333 , 23709 , 30483 , 71127 , 109513 , 213381 , 328539 , 766591 , 985617 , 2299773 , 2956851 , 6899319 , 20697957
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20697956
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20697957 can be divided by 32 positive divisors.
The sum of these divisors (counting 20697957) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1001110111101001101100101
3
Ternary
1102221120021000
4
Quaternary
1032331031211
5
Quinary
20244313312
6
Senary
2015343513
8
Octal
116751545
10
Decimal
20697957
12
Duodecimal
6b21b99
16
Hexadecimal
13bd365
20
Vigesimal
6974hh
36
Base36
cbmn9
md5
a5532c97e465f4bd332647072191f480
sha1
4fdf510a71dc7ff8c0b069c4db5329f1e58544ee
sha256
69c5b5ac093daeef37f377813dd230c4c1bf6bd6bc673883b5fea85771aba47d
sha512
49fc8666c84fff7325b50c4a6ee0eb59e278f7b4883b6590bff0f424c121ab7f352b1f331d6a2a855d5a5120abd58df402f7c292e1037946a5629aa3f7e0e58e
ripemd-160
b689d9d491f051c2c7674b37cb29cc1a98601fc5
Diameter
41395914
Circumference
130049099.31103
Area
1.3458753327143E+15
Volume
3.7142493018507E+22
Surface area
5.3835013308571E+15
Circumference
130049099.31103
Perimeter
82791828
Area
428405423973849
Diagonal
29271331.502815
Surface area
2570432543843094
Volume
8.8671170439775E+21
Space diagonal
35849913.136876
Perimeter
62093871
Area
1.855049901402E+14
Altitude
17924956.568438
Surface area
1.855049901402E+14
Volume
1.0449997652286E+21
Height
9757110.5009384