19990904 is an even 8-digits composite number following 19990903
and preceding 19990905 . In scientific notation, it is written as 1.9990904 × 10^7.
The sum of its digits is 41. It has a total of 5 prime factors and 16 positive divisors.
There are 9858240 positive integers (up to 19990904) that are relatively prime to 19990904.
19990904 has 16 divisors, whose sum is 37997520
The reverse of 19990904 is 40909991
Previous prime number is 73
Is Prime? no
Number parity even
Number length 8
Sum of Digits 41
Digital Root 5
Name
nineteen million nine hundred ninety thousand nine hundred four
Scientific notation
1.9990904 × 10^7
Engineering notation
1.9990904 × 10^6
Prime Factorization
2 × 2 × 2 × 73 × 34231
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
4997726
Product of the distinct prime numbers
The prime factorization of 19990904 is 2 × 2 × 2 × 73 × 34231.
Since it has a total of 5 prime factors.
9 , 1 , 2 , 59 , 447 , 806 , 8127 , 878 , 88718 , 31563 , 261382 , 106705 , 3943156 , 7898374 , 91100108 , 72319039 , 573223313 , 133450427 , 4370566830 , 9620113442
n×2
39981808
n×3
59972712
n×4
79963616
n×5
99954520
n÷2
9995452
n÷3
6663634.6666667
n÷3
4997726
n÷5
3998180.8
n2
399636242737216
n3
7.9890897634804E+21
n4
1.5970912650912E+29
n5
3.1927298159677E+36
2 √n
4471.1188756283
3 √n
271.40060484842
4 √n
66.86642562324
5 √n
28.851373080885
1 , 2 , 4 , 8 , 73 , 146 , 292 , 584 , 34231 , 68462 , 136924 , 273848 , 2498863 , 4997726 , 9995452 , 19990904
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-19990903
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 19990904 can be divided by 16 positive divisors.
The sum of these divisors (counting 19990904) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100010000100101111000
3
Ternary
1101121122100212
4
Quaternary
1030100211320
5
Quinary
20104202104
6
Senary
1552250252
8
Octal
114204570
10
Decimal
19990904
12
Duodecimal
6840988
16
Hexadecimal
1310978
20
Vigesimal
64ih54
36
Base36
bwh2w
md5
9859be876a411c234267f705345659f0
sha1
407582feb4ded06b84e057df6fcc5f72d558b6c4
sha256
e3e40d55d26b0cad11b188b9d2f69c0665da4d0d054dfcdca5aef79ad51f9fef
sha512
9fb2589f1de4a5bd54af3e59363ac3fcc63a72982fed8443388272d486577c422abe0249ba7fb8b3451bef0feeb31c080f60721ce93aa659bfe50acf09555891
ripemd-160
6081a6e29f4301a41410984a5680d46b70a72dc1
Diameter
39981808
Circumference
125606554.29004
Area
1.2554942842915E+15
Volume
3.3464620946426E+22
Surface area
5.0219771371659E+15
Circumference
125606554.29004
Perimeter
79963616
Area
399636242737216
Diagonal
28271407.560899
Surface area
2397817456423296
Volume
7.9890897634804E+21
Space diagonal
34625261.417232
Perimeter
59972712
Area
1.730475692417E+14
Altitude
17312630.708616
Surface area
1.730475692417E+14
Volume
9.415232578775E+20
Height
9423802.5202995