91438081 (number)

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.

Interesting facts

Basic properties

Name

Name ninety-one million four hundred thirty-eight thousand eighty-one

Notation

Scientific notation 9.1438081 × 10^7
Engineering notation 9.1438081 × 10^6

Prime Factorization of 91438081

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.

Most popular turbo-numbers

Basic calculations (n = 91438081)

Multiplication

n×y
n×2 182876162
n×3 274314243
n×4 365752324
n×5 457190405

Division

n÷y
n÷2 45719040.5
n÷3 30479360.333333
n÷3 22859520.25
n÷5 18287616.2

Exponentiation

ny
n2 8360922656962561
n3 7.6450672314208E+23
n4 6.990502767571E+31
n5 6.3919815829188E+39

Nth Root

y√n
2√n 9562.3261291382
3√n 450.51477058235
4√n 97.787147054908
5√n 39.104381446097

Divisors of 91438081

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 conversion 91438081

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

Cryptographic Hash Functions

md5 9ff65841e616745aabf79921fa768c13
sha1 317a86fc9a7c0f4a688317803437789a31df3014
sha256 3aaa8a08c509fde5cad702515c88f72e7108f45434b5ce02870ddde8a273418b
sha512 15866a310c2f8685602ae307bda6d210d1ee48ab2f9381e32618ad5f5eb9562fb763ba95dd15c60258a08121a6def3b0a6840aed4f838095aede3f35a58beac3
ripemd-160 6d2a4662ecb02aee3aab2f3b786acefbb260c2d7

91438081 as geometric shapes

Circle

Radius = n
Diameter 182876162
Circumference 574522407.0559
Area 2.6266613196346E+16

Sphere

Radius = n
Volume 3.2023582733909E+24
Surface area 1.0506645278538E+17
Circumference 574522407.0559

Square

Length = n
Perimeter 365752324
Area 8360922656962561
Diagonal 129312974.26757

Cube

Length = n
Surface area 50165535941775366
Volume 7.6450672314208E+23
Space diagonal 158375402.0386

Equilateral Triangle

Length = n
Perimeter 274314243
Area 3.6203857100032E+15
Altitude 79187701.019299

Triangular Pyramid

Length = n
Surface area 3.6203857100032E+15
Volume 9.0097981366078E+22
Height 43104324.755857