20197839 is an odd 8-digits composite number following 20197838
and preceding 20197840 . In scientific notation, it is written as 2.0197839 × 10^7.
The sum of its digits is 39. It has a total of 2 prime factors and 4 positive divisors.
There are 13465224 positive integers (up to 20197839) that are relatively prime to 20197839.
20197839 has 4 divisors, whose sum is 26930456
The reverse of 20197839 is 93879102
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 39
Digital Root 3
Name
twenty million one hundred ninety-seven thousand eight hundred thirty-nine
Scientific notation
2.0197839 × 10^7
Engineering notation
2.0197839 × 10^6
Prime Factorization
3 × 6732613
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20197839
Product of the distinct prime numbers
The prime factorization of 20197839 is 3 × 6732613.
Since it has a total of 2 prime factors.
3 , 3 , 47 , 100 , 798 , 349 , 5120 , 9832 , 60919 , 59941 , 335657 , 482473 , 4268647 , 3386714 , 53014888 , 66984031 , 143224207 , 4745360 , 1467324251 , 3955230400
n×2
40395678
n×3
60593517
n×4
80791356
n×5
100989195
n÷2
10098919.5
n÷3
6732613
n÷3
5049459.75
n÷5
4039567.8
n2
407952700269921
n3
8.2397629596671E+21
n4
1.6642540565752E+29
n5
3.3614335489803E+36
2 √n
4494.2005963241
3 √n
272.33385602093
4 √n
67.038799186174
5 √n
28.910858040194
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
-20197838
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 20197839 can be divided by 4 positive divisors.
The sum of these divisors (counting 20197839) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001101000011000111001111
3
Ternary
1102000011020010
4
Quaternary
1031003013033
5
Quinary
20132312324
6
Senary
2000524303
8
Octal
115030717
10
Decimal
20197839
12
Duodecimal
6920693
16
Hexadecimal
13431cf
20
Vigesimal
664ebj
36
Base36
c0wr3
md5
21687ebd447a1a7dd8774b811ffa6855
sha1
91371ddd2124fe8d5b192a9ab2f78263dd2d0b0c
sha256
42375f652f93ff349bf08cbae93f5a742cb02b6beeddd30713fcf92ce09eb3af
sha512
28214783f5d8179f1f3fd28dda26e830311839df8eec679c6d7c4e3e4204eb45f852f93e32b39d006337b7b44a69e849e8106c6e24565a52a4fc3eb6a3f60f52
ripemd-160
763cc50fb09a73a40c72bc8b6a73c6e2ac7ca6d4
Diameter
40395678
Circumference
126906765.24158
Area
1.2816212061801E+15
Volume
3.4514638375215E+22
Surface area
5.1264848247204E+15
Circumference
126906765.24158
Perimeter
80791356
Area
407952700269921
Diagonal
28564057.844428
Surface area
2447716201619526
Volume
8.2397629596671E+21
Space diagonal
34983683.351096
Perimeter
60593517
Area
1.7664870098811E+14
Altitude
17491841.675548
Surface area
1.7664870098811E+14
Volume
9.7106537735839E+20
Height
9521352.6148094