91081490 is an even 8-digits composite number following 91081489
and preceding 91081491 . In scientific notation, it is written as 9.1081490 × 10^7.
The sum of its digits is 32. It has a total of 4 prime factors and 16 positive divisors.
There are 36097920 positive integers (up to 91081490) that are relatively prime to 91081490.
91081490 has 16 divisors, whose sum is 165452760
The reverse of 91081490 is 09418019
Previous prime number is 109
Is Prime? no
Number parity even
Number length 8
Sum of Digits 32
Digital Root 5
Name
ninety-one million eighty-one thousand four hundred ninety
Scientific notation
9.1081490 × 10^7
Engineering notation
9.1081490 × 10^6
Prime Factorization
2 × 5 × 109 × 83561
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
91081490
Product of the distinct prime numbers
The prime factorization of 91081490 is 2 × 5 × 109 × 83561.
Since it has a total of 4 prime factors.
5 , 1 , 63 , 79 , 282 , 856 , 3428 , 8890 , 25373 , 54972 , 677428 , 476539 , 8470884 , 5976064 , 42049545 , 30633509 , 214947511 , 416270413 , 2286655662 , 2979888868
n×2
182162980
n×3
273244470
n×4
364325960
n×5
455407450
n÷2
45540745
n÷3
30360496.666667
n÷3
22770372.5
n÷5
18216298
n2
8295837820620100
n3
7.5559726950043E+23
n4
6.8820925146031E+31
n5
6.268312405479E+39
2 √n
9543.6622949474
3 √n
449.92836719863
4 √n
97.691669526871
5 √n
39.07383383757
1 , 2 , 5 , 10 , 109 , 218 , 545 , 1090 , 83561 , 167122 , 417805 , 835610 , 9108149 , 18216298 , 45540745 , 91081490
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
-91081489
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 91081490 can be divided by 16 positive divisors.
The sum of these divisors (counting 91081490) is 1, the average is 0.0625.
Base
System
Value
2
Binary
101011011011100101100010010
3
Ternary
20100101102022112
4
Quaternary
11123130230102
5
Quinary
141304101430
6
Senary
13012105322
8
Octal
533345422
10
Decimal
91081490
12
Duodecimal
26605242
16
Hexadecimal
56dcb12
20
Vigesimal
18953ea
36
Base36
1i86xe
md5
c68e5c893286bbba584ae8eda608a8fa
sha1
28e5f636075db74b9bb5c1a504f19de22cae6639
sha256
26743deee176879b5690270ad25fad8b171c4a23ac3cbcf4f5ff62f23d38132f
sha512
cd8e2d45dbc70ce8726a7fd108ca06ecc68d26d6dc6589e047458c38b895bcf94f122b98ee5f9349621ff9aadcc885ac5b223161e16cdff05eb8414c31df3b61
ripemd-160
1b8477cb0dd6ad01ec0fa8f3ac1b77da0401dec3
Diameter
182162980
Circumference
572281879.72402
Area
2.6062143152632E+16
Volume
3.1650384412467E+24
Surface area
1.0424857261053E+17
Circumference
572281879.72402
Perimeter
364325960
Area
8295837820620100
Diagonal
128808678.43915
Surface area
49775026923720600
Volume
7.5559726950043E+23
Space diagonal
157757768.30908
Perimeter
273244470
Area
3.5922031491664E+15
Altitude
78878884.154538
Surface area
3.5922031491664E+15
Volume
8.9047992184966E+22
Height
42936226.146383