191189904 is an even 9-digits composite number following 191189903
and preceding 191189905 . In scientific notation, it is written as 1.91189904 × 10^8.
The sum of its digits is 42. It has a total of 6 prime factors and 20 positive divisors.
There are 63729952 positive integers (up to 191189904) that are relatively prime to 191189904.
191189904 has 20 divisors, whose sum is 493907376
The reverse of 191189904 is 409981191
Previous prime number is 3
Is Prime? no
Number parity even
Number length 9
Sum of Digits 42
Digital Root 6
Name
one hundred ninety-one million one hundred eighty-nine thousand nine hundred four
Scientific notation
1.91189904 × 10^8
Engineering notation
1.91189904 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 3 × 3983123
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
23898738
Product of the distinct prime numbers
The prime factorization of 191189904 is 2 × 2 × 2 × 2 × 3 × 3983123.
Since it has a total of 6 prime factors.
7 , 10 , 44 , 97 , 237 , 233 , 6513 , 4095 , 53778 , 74081 , 705998 , 172716 , 2184463 , 1064780 , 65132718 , 39860763 , 946928604 , 188609496 , 3596161135 , 4361121179
n×2
382379808
n×3
573569712
n×4
764759616
n×5
955949520
n÷2
95594952
n÷3
63729968
n÷3
47797476
n÷5
38237980.8
n2
36553579391529216
n3
6.9886753347228E+24
n4
1.3361641663328E+33
n5
2.5546109868941E+41
2 √n
13827.143739761
3 √n
576.08732279496
4 √n
117.58887591843
5 √n
45.320322435192
1 , 2 , 3 , 4 , 6 , 8 , 12 , 16 , 24 , 48 , 3983123 , 7966246 , 11949369 , 15932492 , 23898738 , 31864984 , 47797476 , 63729968 , 95594952 , 191189904
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-191189903
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 191189904 can be divided by 20 positive divisors.
The sum of these divisors (counting 191189904) is 1, the average is 0.05.
Base
System
Value
2
Binary
1011011001010101001110010000
3
Ternary
111022202110020120
4
Quaternary
23121111032100
5
Quinary
342421034104
6
Senary
30545510240
8
Octal
1331251620
10
Decimal
191189904
12
Duodecimal
54042380
16
Hexadecimal
b655390
20
Vigesimal
2jeief4
36
Base36
35tv2o
md5
a18ca0edaf60f6522342d3a41c3b8e51
sha1
6eb289c6da69403012c8c347ac0cbefd80c0fd92
sha256
eb838301c619f9d86f571b4cdc659517d86291d3a1d1133d22dbc3daf9fe20e4
sha512
1a3ff2bbd618026452cc289bf2351d6cf32f5766fdb5526a2ccbd35c50506b750331af37f5730020c8754a7c5881e240ca9f8fb21287ddd51f99a857c14bb4aa
ripemd-160
3afa6b49f1af7f44ac5983689bef5f60a5d66cb0
Diameter
382379808
Circumference
1201281595.6939
Area
1.1483645647884E+17
Volume
2.9274094786519E+25
Surface area
4.5934582591536E+17
Circumference
1201281595.6939
Perimeter
764759616
Area
36553579391529216
Diagonal
270383355.22561
Surface area
219321476349175296
Volume
6.9886753347228E+24
Space diagonal
331150627.62222
Perimeter
573569712
Area
1.5828164176158E+16
Altitude
165575313.81111
Surface area
1.5828164176158E+16
Volume
8.2362328678228E+23
Height
90127785.075203