91991382 is an even 8-digits composite number following 91991381
and preceding 91991383 . In scientific notation, it is written as 9.1991382 × 10^7.
The sum of its digits is 42. It has a total of 3 prime factors and 8 positive divisors.
There are 26283240 positive integers (up to 91991382) that are relatively prime to 91991382.
91991382 has 8 divisors, whose sum is 144557952
The reverse of 91991382 is 28319919
Previous prime number is 21
Is Prime? no
Number parity even
Number length 8
Sum of Digits 42
Digital Root 6
Name
ninety-one million nine hundred ninety-one thousand three hundred eighty-two
Scientific notation
9.1991382 × 10^7
Engineering notation
9.1991382 × 10^6
Prime Factorization
2 × 21 × 2190271
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
91991382
Product of the distinct prime numbers
The prime factorization of 91991382 is 2 × 21 × 2190271.
Since it has a total of 3 prime factors.
7 , 7 , 7 , 70 , 373 , 902 , 3688 , 4459 , 6942 , 69120 , 188089 , 995205 , 9288107 , 3917604 , 49238642 , 46470174 , 539604989 , 784867475 , 303310423 , 741105096
n×2
183982764
n×3
275974146
n×4
367965528
n×5
459956910
n÷2
45995691
n÷3
30663794
n÷3
22997845.5
n÷5
18398276.4
n2
8462414362269924
n3
7.7846919224186E+23
n4
7.1612456838752E+31
n5
6.5877288730122E+39
2 √n
9591.2137917992
3 √n
451.42164718971
4 √n
97.934742516633
5 √n
39.151592220035
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
-91991381
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 91991382 can be divided by 8 positive divisors.
The sum of these divisors (counting 91991382) is 1, the average is 0.125.
Base
System
Value
2
Binary
101011110111010110101010110
3
Ternary
20102002122110020
4
Quaternary
11132322311112
5
Quinary
142022211012
6
Senary
13043410010
8
Octal
536726526
10
Decimal
91991382
12
Duodecimal
26983906
16
Hexadecimal
57bad56
20
Vigesimal
18eii92
36
Base36
1irp06
md5
fe69ccef79257789c670d48bc2ec1ac5
sha1
e77ba9c8dee9d5cdb1830a849b25d8852b4c6301
sha256
9b45718c13d3f7233bb9bfeb7ac29d547e1194146435b1eb7aadd80ecea778b2
sha512
c0923ebfabc6f8be47c8502a68f4530b58751610e45ce66ca5e04c929c777cf0ab241aaee2336d5fd00e8b1a396c1bb9be01db425593f77216679b5690c94e31
ripemd-160
426ef7bf212447190e4e26de962e585bf62910bb
Diameter
183982764
Circumference
577998899.76954
Area
2.658545879214E+16
Volume
3.2608441271907E+24
Surface area
1.0634183516856E+17
Circumference
577998899.76954
Perimeter
367965528
Area
8462414362269924
Diagonal
130095460.04584
Surface area
50774486173619544
Volume
7.7846919224186E+23
Space diagonal
159333747.48248
Perimeter
275974146
Area
3.664332907538E+15
Altitude
79666873.741239
Surface area
3.664332907538E+15
Volume
9.1743474129839E+22
Height
43365153.348615