19990209 is an odd 8-digits composite number following 19990208
and preceding 19990210 . In scientific notation, it is written as 1.9990209 × 10^7.
The sum of its digits is 39. It has a total of 3 prime factors and 8 positive divisors.
There are 13313520 positive integers (up to 19990209) that are relatively prime to 19990209.
19990209 has 8 divisors, whose sum is 26680192
The reverse of 19990209 is 90209991
Previous prime number is 1231
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 39
Digital Root 3
Name
nineteen million nine hundred ninety thousand two hundred nine
Scientific notation
1.9990209 × 10^7
Engineering notation
1.9990209 × 10^6
Prime Factorization
3 × 1231 × 5413
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
19990209
Product of the distinct prime numbers
The prime factorization of 19990209 is 3 × 1231 × 5413.
Since it has a total of 3 prime factors.
8 , 6 , 56 , 40 , 283 , 176 , 8232 , 4686 , 85745 , 41105 , 187007 , 866466 , 9671203 , 4024806 , 6668154 , 13865401 , 640423840 , 553771885 , 5399473641 , 2276060193
n×2
39980418
n×3
59970627
n×4
79960836
n×5
99951045
n÷2
9995104.5
n÷3
6663403
n÷3
4997552.25
n÷5
3998041.8
n2
399608455863681
n3
7.9882565508823E+21
n4
1.5968691799776E+29
n5
3.192174865341E+36
2 √n
4471.0411539148
3 √n
271.39745965788
4 √n
66.865844449276
5 √n
28.851172469816
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
-19990208
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 19990209 can be divided by 8 positive divisors.
The sum of these divisors (counting 19990209) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100010000011011000001
3
Ternary
1101121121102010
4
Quaternary
1030100123001
5
Quinary
20104141314
6
Senary
1552243133
8
Octal
114203301
10
Decimal
19990209
12
Duodecimal
68404a9
16
Hexadecimal
13106c1
20
Vigesimal
64ifa9
36
Base36
bwgjl
md5
de3e4757fb702bb2ea660eb189418557
sha1
f39348c7aa965760ad0941fe167510b4efa1aaaf
sha256
17210779f8436a1d47b0e22f0656b543c1d490f9bf319d4319079c569f832596
sha512
6da2d6dd3e07237fae0b12bb665554b9a462ea8995cb6f25f8210015a8009df3e13f02f974d26d6278bcc9f267998edd78e43ed4d6891a5860e73a5e9817559e
ripemd-160
cc6a6a2ca36b945663e2c66140eceeb9d1ef9420
Diameter
39980418
Circumference
125602187.47625
Area
1.2554069892537E+15
Volume
3.3461130793656E+22
Surface area
5.0216279570148E+15
Circumference
125602187.47625
Perimeter
79960836
Area
399608455863681
Diagonal
28270424.682473
Surface area
2397650735182086
Volume
7.9882565508823E+21
Space diagonal
34624057.641921
Perimeter
59970627
Area
1.7303553717251E+14
Altitude
17312028.82096
Surface area
1.7303553717251E+14
Volume
9.4142506283112E+20
Height
9423474.8941576