20197947 is an odd 8-digits composite number following 20197946
and preceding 20197948 . In scientific notation, it is written as 2.0197947 × 10^7.
The sum of its digits is 39. It has a total of 5 prime factors and 24 positive divisors.
There are 10491600 positive integers (up to 20197947) that are relatively prime to 20197947.
20197947 has 24 divisors, whose sum is 34178112
The reverse of 20197947 is 74979102
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 39
Digital Root 3
Name
twenty million one hundred ninety-seven thousand nine hundred forty-seven
Scientific notation
2.0197947 × 10^7
Engineering notation
2.0197947 × 10^6
Prime Factorization
3 × 11 × 7 × 7 × 12491
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
2885421
Product of the distinct prime numbers
The prime factorization of 20197947 is 3 × 11 × 7 × 7 × 12491.
Since it has a total of 5 prime factors.
3 , 3 , 63 , 91 , 5 , 335 , 1514 , 8086 , 39177 , 60326 , 462420 , 768350 , 6934894 , 480585 , 95059788 , 12211473 , 817214805 , 573386469 , 7382348504 , 8869931951
n×2
40395894
n×3
60593841
n×4
80791788
n×5
100989735
n÷2
10098973.5
n÷3
6732649
n÷3
5049486.75
n÷5
4039589.4
n2
407957063014809
n3
8.2398951370488E+21
n4
1.6642896526367E+29
n5
3.3615234196604E+36
2 √n
4494.2126117931
3 √n
272.33434141946
4 √n
67.038888801897
5 √n
28.910888958016
1 , 3 , 7 , 11 , 21 , 33 , 49 , 77 , 147 , 231 , 539 , 1617 , 12491 , 37473 , 87437 , 137401 , 262311 , 412203 , 612059 , 961807 , 1836177 , 2885421 , 6732649 , 20197947
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20197946
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20197947 can be divided by 24 positive divisors.
The sum of these divisors (counting 20197947) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1001101000011001000111011
3
Ternary
1102000011101010
4
Quaternary
1031003020323
5
Quinary
20132313242
6
Senary
2000525003
8
Octal
115031073
10
Decimal
20197947
12
Duodecimal
6920763
16
Hexadecimal
134323b
20
Vigesimal
664eh7
36
Base36
c0wu3
md5
76d69c648780e984549b6bbcb38a7df0
sha1
63ead5dce28bd9aa7b6ca7e1fbfe3a02d75a0ff5
sha256
549f53ec9f952d5cdc809a2000789fc74ed6162bed53ecdd7c6221e2e0d70a2a
sha512
37fbe6edac0cf65de71e3424066186ad38fcc7cb7f9ec7398b0fecdb67dd8d89b20e899ebc7f600278174fa487fe791c294ce7550456130650fa42b384fd9c1e
ripemd-160
aa8c72acfe23b29d23e47206e46e4220e0327189
Diameter
40395894
Circumference
126907443.82559
Area
1.2816349121474E+15
Volume
3.4515192038537E+22
Surface area
5.1265396485896E+15
Circumference
126907443.82559
Perimeter
80791788
Area
407957063014809
Diagonal
28564210.579493
Surface area
2447742378088854
Volume
8.2398951370488E+21
Space diagonal
34983870.412583
Perimeter
60593841
Area
1.7665059011206E+14
Altitude
17491935.206292
Surface area
1.7665059011206E+14
Volume
9.7108095461221E+20
Height
9521403.5264977