19998209 is an odd 8-digits composite number following 19998208
and preceding 19998210 . In scientific notation, it is written as 1.9998209 × 10^7.
The sum of its digits is 47. It has a total of 3 prime factors and 8 positive divisors.
There are 15582960 positive integers (up to 19998209) that are relatively prime to 19998209.
19998209 has 8 divisors, whose sum is 24932928
The reverse of 19998209 is 90289991
Previous prime number is 11
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 47
Digital Root 2
Name
nineteen million nine hundred ninety-eight thousand two hundred nine
Scientific notation
1.9998209 × 10^7
Engineering notation
1.9998209 × 10^6
Prime Factorization
7 × 11 × 259717
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
19998209
Product of the distinct prime numbers
The prime factorization of 19998209 is 7 × 11 × 259717.
Since it has a total of 3 prime factors.
6 , 3 , 28 , 98 , 772 , 531 , 4457 , 7466 , 71743 , 27812 , 907139 , 503956 , 3266379 , 6672212 , 72642049 , 22741113 , 260646559 , 721960566 , 5321887369 , 7720024660
n×2
39996418
n×3
59994627
n×4
79992836
n×5
99991045
n÷2
9999104.5
n÷3
6666069.6666667
n÷3
4999552.25
n÷5
3999641.8
n2
399928363207681
n3
7.9978509924551E+21
n4
1.5994269569797E+29
n5
3.1985674565915E+36
2 √n
4471.9357106291
3 √n
271.43365888103
4 √n
66.872533305006
5 √n
28.853481324526
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-19998208
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 19998209 can be divided by 8 positive divisors.
The sum of these divisors (counting 19998209) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100010010011000000001
3
Ternary
1101122000101102
4
Quaternary
1030102120001
5
Quinary
20104420314
6
Senary
1552344145
8
Octal
114223001
10
Decimal
19998209
12
Duodecimal
6845055
16
Hexadecimal
1312601
20
Vigesimal
64jfa9
36
Base36
bwmpt
md5
c800721099ef8664c508dd2032c55d7f
sha1
c7a473b677d2efc81b6ce0c1abc361606e7bcc47
sha256
219d83fa7f759fa884c3f4e5b948773943601c5845c234260fd5b75b8cbacbc0
sha512
183606dcc60cc1985011ee60648d381f47583bd18eb8d53313dc6a9ce1afc18b6ef721291369a5f301e7946aa7eed7e9fd0e2a4777bbad814366950fd94bfb39
ripemd-160
79d9b15199b36e40e2b79fc1a6a23d394380c325
Diameter
39996418
Circumference
125652452.95871
Area
1.2564120078154E+15
Volume
3.3501319896537E+22
Surface area
5.0256480312618E+15
Circumference
125652452.95871
Perimeter
79992836
Area
399928363207681
Diagonal
28281738.390972
Surface area
2399570179246086
Volume
7.9978509924551E+21
Space diagonal
34637914.048381
Perimeter
59994627
Area
1.7317406111589E+14
Altitude
17318957.024191
Surface area
1.7317406111589E+14
Volume
9.425557786141E+20
Height
9427246.1303239