91661540 is an even 8-digits composite number following 91661539
and preceding 91661541 . In scientific notation, it is written as 9.1661540 × 10^7.
The sum of its digits is 32. It has a total of 4 prime factors and 12 positive divisors.
There are 36300800 positive integers (up to 91661540) that are relatively prime to 91661540.
91661540 has 12 divisors, whose sum is 160728876
The reverse of 91661540 is 04516619
Previous prime number is 505
Is Prime? no
Number parity even
Number length 8
Sum of Digits 32
Digital Root 5
Name
ninety-one million six hundred sixty-one thousand five hundred forty
Scientific notation
9.1661540 × 10^7
Engineering notation
9.1661540 × 10^6
Prime Factorization
2 × 2 × 505 × 45377
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
45830770
Product of the distinct prime numbers
The prime factorization of 91661540 is 2 × 2 × 505 × 45377.
Since it has a total of 4 prime factors.
6 , 6 , 56 , 54 , 714 , 48 , 775 , 2362 , 12000 , 34401 , 166659 , 478998 , 8419076 , 5660992 , 90050991 , 42006053 , 44175340 , 481442765 , 4468709089 , 6463582823
n×2
183323080
n×3
274984620
n×4
366646160
n×5
458307700
n÷2
45830770
n÷3
30553846.666667
n÷3
22915385
n÷5
18332308
n2
8401837915171600
n3
7.7012540213502E+23
n4
7.0590880352815E+31
n5
6.4704688030948E+39
2 √n
9574.003342385
3 √n
450.88146566223
4 √n
97.846836138861
5 √n
39.123475671371
1 , 2 , 4 , 505 , 1010 , 2020 , 45377 , 90754 , 181508 , 22915385 , 45830770 , 91661540
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-91661539
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 91661540 can be divided by 12 positive divisors.
The sum of these divisors (counting 91661540) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
101011101101010010011100100
3
Ternary
20101110212222212
4
Quaternary
11131222103210
5
Quinary
141431132130
6
Senary
13032342552
8
Octal
535522344
10
Decimal
91661540
12
Duodecimal
26844a58
16
Hexadecimal
576a4e4
20
Vigesimal
18chdh0
36
Base36
1ikmhw
md5
c070669fa977a897d42a29d5d9d95d17
sha1
b2ee5478b0c30928ec3f1e47cde22ca9e7a1f57a
sha256
35e1ac9d204eb394f63fb849aa97811f24bbeadf0172cf66781b3efc993ce7c7
sha512
503fa637a69915729b5b8718fe1a99f2292a1488d438a83431aadec32ab531f165f14ec0d7d991b45a518a732fe1582e112b6553ff9db5c77547ccf958544636
ripemd-160
8db6aed9699004a8768626384a180c4c27d4e3de
Diameter
183323080
Circumference
575926441.36145
Area
2.6395152270955E+16
Volume
3.2258937409203E+24
Surface area
1.0558060908382E+17
Circumference
575926441.36145
Perimeter
366646160
Area
8401837915171600
Diagonal
129628993.016
Surface area
50411027491029600
Volume
7.7012540213502E+23
Space diagonal
158762444.38001
Perimeter
274984620
Area
3.6381025365089E+15
Altitude
79381222.190003
Surface area
3.6381025365089E+15
Volume
9.0760149035615E+22
Height
43209664.338668