199891391 is an odd 9-digits composite number following 199891390
and preceding 199891392 . In scientific notation, it is written as 1.99891391 × 10^8.
The sum of its digits is 50. It has a total of 3 prime factors and 8 positive divisors.
There are 167350680 positive integers (up to 199891391) that are relatively prime to 199891391.
199891391 has 8 divisors, whose sum is 233760384
The reverse of 199891391 is 193198991
Previous prime number is 43
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 50
Digital Root 5
Name
one hundred ninety-nine million eight hundred ninety-one thousand three hundred ninety-one
Scientific notation
1.99891391 × 10^8
Engineering notation
1.99891391 × 10^6
Prime Factorization
7 × 43 × 664091
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
199891391
Product of the distinct prime numbers
The prime factorization of 199891391 is 7 × 43 × 664091.
Since it has a total of 3 prime factors.
6 , 8 , 31 , 38 , 840 , 144 , 4596 , 8602 , 41822 , 64438 , 300969 , 856840 , 1777046 , 8764844 , 79569213 , 10243745 , 555158968 , 128141222 , 7734723913 , 2707598413
n×2
399782782
n×3
599674173
n×4
799565564
n×5
999456955
n÷2
99945695.5
n÷3
66630463.666667
n÷3
49972847.75
n÷5
39978278.2
n2
39956568195914881
n3
7.9869739962678E+24
n4
1.5965273419948E+33
n5
3.1913207116087E+41
2 √n
14138.295194259
3 √n
584.69767026069
4 √n
118.90456338702
5 √n
45.725537369076
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
-199891390
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 199891391 can be divided by 8 positive divisors.
The sum of these divisors (counting 199891391) is 1, the average is 0.125.
Base
System
Value
2
Binary
1011111010100001100110111111
3
Ternary
111221010112102212
4
Quaternary
23322201212333
5
Quinary
402133011031
6
Senary
31500211035
8
Octal
1372414677
10
Decimal
199891391
12
Duodecimal
56b39a7b
16
Hexadecimal
bea19bf
20
Vigesimal
329689b
36
Base36
3b0d6n
md5
6b57a6923c29a3869fe17940239bf27c
sha1
1d1f43a5b1f7f9deb0b097da4c150d1e9529e74e
sha256
371420f279c68299cf4ad5ab154dd30f81859f56c8058120d351eacb85600445
sha512
7014dd3f9c41ef5bb1cbfaaeec678836f2b0c89b747c571ce1758491f943697c994b099a7fe9030bd8280e4a7741bc3d57e86b0278ca03906681b2d11ef30612
ripemd-160
c7cf502186bb319e47e882d942f911c8398a4d5b
Diameter
399782782
Circumference
1255954650.9629
Area
1.2552726110695E+17
Volume
3.345575844145E+25
Surface area
5.0210904442778E+17
Circumference
1255954650.9629
Perimeter
799565564
Area
39956568195914881
Diagonal
282689116.15382
Surface area
239739409175489286
Volume
7.9869739962678E+24
Space diagonal
346222045.20762
Perimeter
599674173
Area
1.7301701552854E+16
Altitude
173111022.60381
Surface area
1.7301701552854E+16
Volume
9.4127391232026E+23
Height
94229705.384608