91991146 is an even 8-digits composite number following 91991145
and preceding 91991147 . In scientific notation, it is written as 9.1991146 × 10^7.
The sum of its digits is 40. It has a total of 4 prime factors and 16 positive divisors.
There are 41333760 positive integers (up to 91991146) that are relatively prime to 91991146.
91991146 has 16 divisors, whose sum is 139261320
The reverse of 91991146 is 64119919
Previous prime number is 277
Is Prime? no
Number parity even
Number length 8
Sum of Digits 40
Digital Root 4
Name
ninety-one million nine hundred ninety-one thousand one hundred forty-six
Scientific notation
9.1991146 × 10^7
Engineering notation
9.1991146 × 10^6
Prime Factorization
2 × 689 × 277 × 241
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
91991146
Product of the distinct prime numbers
The prime factorization of 91991146 is 2 × 689 × 277 × 241.
Since it has a total of 4 prime factors.
3 , 5 , 7 , 57 , 246 , 740 , 7895 , 2078 , 36941 , 55461 , 548162 , 68195 , 2222783 , 3419133 , 41875916 , 52123532 , 282348181 , 519189848 , 1492538341 , 4417523338
n×2
183982292
n×3
275973438
n×4
367964584
n×5
459955730
n÷2
45995573
n÷3
30663715.333333
n÷3
22997786.5
n÷5
18398229.2
n2
8462370942393316
n3
7.7846320086786E+23
n4
7.1611721966663E+31
n5
6.5876443707467E+39
2 √n
9591.2014888647
3 √n
451.421261155
4 √n
97.934679704713
5 √n
39.151572131664
1 , 2 , 241 , 277 , 482 , 554 , 689 , 1378 , 66757 , 133514 , 166049 , 190853 , 332098 , 381706 , 45995573 , 91991146
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
-91991145
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 91991146 can be divided by 16 positive divisors.
The sum of these divisors (counting 91991146) is 1, the average is 0.0625.
Base
System
Value
2
Binary
101011110111010110001101010
3
Ternary
20102002122010111
4
Quaternary
11132322301222
5
Quinary
142022204041
6
Senary
13043404534
8
Octal
536726152
10
Decimal
91991146
12
Duodecimal
2698374a
16
Hexadecimal
57bac6a
20
Vigesimal
18eihh6
36
Base36
1irotm
md5
24c5a477e82144c8ee41f4ae9ed501fd
sha1
8201a737e7676bd85fd75e38e425e5752bd109b6
sha256
1b1495a3e3cca063c8a2ce79aed8dc336dbf3acef1a332720f91d57c1b77e464
sha512
3ab2c274adf827a37690fe18b54418e81e6e2037288e41fbcb13110c29a5b0a38ae6cf4db103746dbdac40c3bf89822f3cd2373d093e9bb15b55b4bd0215aaf5
ripemd-160
0024955a86156e950077898b62533da31769c213
Diameter
183982292
Circumference
577997416.93781
Area
2.6585322384575E+16
Volume
3.260819030582E+24
Surface area
1.063412895383E+17
Circumference
577997416.93781
Perimeter
367964584
Area
8462370942393316
Diagonal
130095126.29144
Surface area
50774225654359896
Volume
7.7846320086786E+23
Space diagonal
159333338.71849
Perimeter
275973438
Area
3.6643141061799E+15
Altitude
79666669.359243
Surface area
3.6643141061799E+15
Volume
9.1742768039642E+22
Height
43365042.097148