91438081 is an odd 8-digits composite number following 91438080
and preceding 91438082 . In scientific notation, it is written as 9.1438081 × 10^7.
The sum of its digits is 34. It has a total of 3 prime factors and 8 positive divisors.
There are 76552560 positive integers (up to 91438081) that are relatively prime to 91438081.
91438081 has 8 divisors, whose sum is 106931264
The reverse of 91438081 is 18083419
Previous prime number is 43
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 34
Digital Root 7
Name
ninety-one million four hundred thirty-eight thousand eighty-one
Scientific notation
9.1438081 × 10^7
Engineering notation
9.1438081 × 10^6
Prime Factorization
7 × 43 × 303781
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
91438081
Product of the distinct prime numbers
The prime factorization of 91438081 is 7 × 43 × 303781.
Since it has a total of 3 prime factors.
7 , 2 , 7 , 16 , 692 , 127 , 4044 , 7883 , 98528 , 32441 , 946393 , 50644 , 1384247 , 9553519 , 88404283 , 5053467 , 192966427 , 552296356 , 3763157645 , 5898940367
n×2
182876162
n×3
274314243
n×4
365752324
n×5
457190405
n÷2
45719040.5
n÷3
30479360.333333
n÷3
22859520.25
n÷5
18287616.2
n2
8360922656962561
n3
7.6450672314208E+23
n4
6.990502767571E+31
n5
6.3919815829188E+39
2 √n
9562.3261291382
3 √n
450.51477058235
4 √n
97.787147054908
5 √n
39.104381446097
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
-91438080
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 91438081 can be divided by 8 positive divisors.
The sum of these divisors (counting 91438081) is 1, the average is 0.125.
Base
System
Value
2
Binary
101011100110011110000000001
3
Ternary
20101001112110121
4
Quaternary
11130303300001
5
Quinary
141402004311
6
Senary
13023500241
8
Octal
534636001
10
Decimal
91438081
12
Duodecimal
26757681
16
Hexadecimal
5733c01
20
Vigesimal
18b9f41
36
Base36
1ifu2p
md5
9ff65841e616745aabf79921fa768c13
sha1
317a86fc9a7c0f4a688317803437789a31df3014
sha256
3aaa8a08c509fde5cad702515c88f72e7108f45434b5ce02870ddde8a273418b
sha512
15866a310c2f8685602ae307bda6d210d1ee48ab2f9381e32618ad5f5eb9562fb763ba95dd15c60258a08121a6def3b0a6840aed4f838095aede3f35a58beac3
ripemd-160
6d2a4662ecb02aee3aab2f3b786acefbb260c2d7
Diameter
182876162
Circumference
574522407.0559
Area
2.6266613196346E+16
Volume
3.2023582733909E+24
Surface area
1.0506645278538E+17
Circumference
574522407.0559
Perimeter
365752324
Area
8360922656962561
Diagonal
129312974.26757
Surface area
50165535941775366
Volume
7.6450672314208E+23
Space diagonal
158375402.0386
Perimeter
274314243
Area
3.6203857100032E+15
Altitude
79187701.019299
Surface area
3.6203857100032E+15
Volume
9.0097981366078E+22
Height
43104324.755857