20197917 is an odd 8-digits composite number following 20197916
and preceding 20197918 . In scientific notation, it is written as 2.0197917 × 10^7.
The sum of its digits is 36. It has a total of 7 prime factors and 24 positive divisors.
There are 13145328 positive integers (up to 20197917) that are relatively prime to 20197917.
20197917 has 24 divisors, whose sum is 30974944
The reverse of 20197917 is 71979102
Previous prime number is 43
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 36
Digital Root 9
Name
twenty million one hundred ninety-seven thousand nine hundred seventeen
Scientific notation
2.0197917 × 10^7
Engineering notation
2.0197917 × 10^6
Prime Factorization
3 × 3 × 3 × 3 × 3 × 43 × 1933
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
7
Total number of prime factors
rad
Radical
249357
Product of the distinct prime numbers
The prime factorization of 20197917 is 3 × 3 × 3 × 3 × 3 × 43 × 1933.
Since it has a total of 7 prime factors.
2 , 6 , 22 , 5 , 620 , 233 , 4484 , 3935 , 18753 , 55291 , 319078 , 524799 , 308436 , 7500561 , 38582868 , 63706303 , 789851620 , 927272172 , 502114813 , 4083505226
n×2
40395834
n×3
60593751
n×4
80791668
n×5
100989585
n÷2
10098958.5
n÷3
6732639
n÷3
5049479.25
n÷5
4039583.4
n2
407955851138889
n3
8.2398584209676E+21
n4
1.6642797647846E+29
n5
3.3614984553898E+36
2 √n
4494.209274166
3 √n
272.3342065867
4 √n
67.038863908676
5 √n
28.910880369745
1 , 3 , 9 , 27 , 43 , 81 , 129 , 243 , 387 , 1161 , 1933 , 3483 , 5799 , 10449 , 17397 , 52191 , 83119 , 156573 , 249357 , 469719 , 748071 , 2244213 , 6732639 , 20197917
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
-20197916
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 20197917 can be divided by 24 positive divisors.
The sum of these divisors (counting 20197917) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1001101000011001000011101
3
Ternary
1102000011100000
4
Quaternary
1031003020131
5
Quinary
20132313132
6
Senary
2000524513
8
Octal
115031035
10
Decimal
20197917
12
Duodecimal
6920739
16
Hexadecimal
134321d
20
Vigesimal
664efh
36
Base36
c0wt9
md5
e4d9d03ab2a75713e08f32d7ee8e5f4b
sha1
25ee48523f4fa7a538f64bf0401e7ce97c4b1cc3
sha256
30534faa6e6bb2cebadc334079fdb984ac8767eb1aa99b44f569ccd712690f56
sha512
c4f4dfbe58ef83c2f34d463eb4b97e7b2f25e0e75e3ceca5cfb4cf368742f31c171becbeb8b071b6b1b7da1fe8d90e30cb519aa86ac7027b34be38f2bd6ff868
ripemd-160
96bde0fc9d95ef5bcc5c11baef3a22d88dc50a05
Diameter
40395834
Circumference
126907255.33003
Area
1.2816311049269E+15
Volume
3.4515038242576E+22
Surface area
5.1265244197076E+15
Circumference
126907255.33003
Perimeter
80791668
Area
407955851138889
Diagonal
28564168.153086
Surface area
2447735106833334
Volume
8.2398584209676E+21
Space diagonal
34983818.451059
Perimeter
60593751
Area
1.7665006535439E+14
Altitude
17491909.22553
Surface area
1.7665006535439E+14
Volume
9.7107662758055E+20
Height
9521389.384362