20198731 is an odd 8-digits composite number following 20198730
and preceding 20198732 . In scientific notation, it is written as 2.0198731 × 10^7.
The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors.
There are 17313156 positive integers (up to 20198731) that are relatively prime to 20198731.
20198731 has 4 divisors, whose sum is 20611000
The reverse of 20198731 is 13789102
Previous prime number is 49
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty million one hundred ninety-eight thousand seven hundred thirty-one
Scientific notation
2.0198731 × 10^7
Engineering notation
2.0198731 × 10^6
Prime Factorization
49 × 412219
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20198731
Product of the distinct prime numbers
The prime factorization of 20198731 is 49 × 412219.
Since it has a total of 2 prime factors.
5 , 2 , 24 , 8 , 694 , 620 , 3129 , 6234 , 68089 , 70358 , 14284 , 986158 , 6930770 , 20460 , 76399467 , 34875330 , 927794999 , 445200724 , 9576474872 , 8735047932
n×2
40397462
n×3
60596193
n×4
80794924
n×5
100993655
n÷2
10099365.5
n÷3
6732910.3333333
n÷3
5049682.75
n÷5
4039746.2
n2
407988734010361
n3
8.2408546893058E+21
n4
1.6645480707938E+29
n5
3.3621758718532E+36
2 √n
4494.2998342345
3 √n
272.33786500135
4 √n
67.039539334892
5 √n
28.911113394539
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
-20198730
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 20198731 can be divided by 4 positive divisors.
The sum of these divisors (counting 20198731) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001101000011010101001011
3
Ternary
1102000012110011
4
Quaternary
1031003111023
5
Quinary
20132324411
6
Senary
2000532351
8
Octal
115032513
10
Decimal
20198731
12
Duodecimal
69210b7
16
Hexadecimal
134354b
20
Vigesimal
664ggb
36
Base36
c0xfv
md5
1739191c16453fe876255b32cceaab6f
sha1
f35f0a26bb5e730cb7c32025e6776b3a88fb78ab
sha256
e8d7e975bb6af15f1a1711f0fb01d43134dc08ae94285da862e043291308fdcb
sha512
da27f6b8a019de87875812f3b26e678ea9742d7f89bfd73d2f617963f25f413c44ba91b08204391517487dccca01c24b8dd7387259319dda270d0541400eaaed
ripemd-160
35c9ef5d5c379bb5adbcf57fc398a248f6875431
Diameter
40397462
Circumference
126912369.84287
Area
1.2817344095144E+15
Volume
3.4519211401632E+22
Surface area
5.1269376380574E+15
Circumference
126912369.84287
Perimeter
80794924
Area
407988734010361
Diagonal
28565319.322926
Surface area
2447932404062166
Volume
8.2408546893058E+21
Space diagonal
34985228.340417
Perimeter
60596193
Area
1.7666430405541E+14
Altitude
17492614.170208
Surface area
1.7666430405541E+14
Volume
9.7119403893019E+20
Height
9521773.107642