81093071 (number)

81093071 is an odd 8-digits composite number following 81093070 and preceding 81093072. In scientific notation, it is written as 8.1093071 × 10^7. The sum of its digits is 29. It has a total of 2 prime factors and 4 positive divisors. There are 81066192 positive integers (up to 81093071) that are relatively prime to 81093071.

Interesting facts

Basic properties

Name

Name eighty-one million ninety-three thousand seventy-one

Notation

Scientific notation 8.1093071 × 10^7
Engineering notation 8.1093071 × 10^6

Prime Factorization of 81093071

Prime Factorization 3463 × 23417

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 81093071
Product of the distinct prime numbers

The prime factorization of 81093071 is 3463 × 23417. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81093071)

Multiplication

n×y
n×2 162186142
n×3 243279213
n×4 324372284
n×5 405465355

Division

n÷y
n÷2 40546535.5
n÷3 27031023.666667
n÷3 20273267.75
n÷5 16218614.2

Exponentiation

ny
n2 6576086164211041
n3 5.3327502221648E+23
n4 4.3244909239128E+31
n5 3.5068624953172E+39

Nth Root

y√n
2√n 9005.1691266739
3√n 432.84052569807
4√n 94.895569584011
5√n 38.17655621407

Divisors of 81093071

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81093070
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81093071 can be divided by 4 positive divisors. The sum of these divisors (counting 81093071) is 1, the average is 0.25.

Base conversion 81093071

Base System Value
2 Binary 100110101010110000111001111
3 Ternary 12122120221210002
4 Quaternary 10311112013033
5 Quinary 131224434241
6 Senary 12014034515
8 Octal 465260717
10 Decimal 81093071
12 Duodecimal 231a8a3b
16 Hexadecimal 4d561cf
20 Vigesimal 156gcdb
36 Base36 1ca3tb

Cryptographic Hash Functions

md5 e6650e6025ee2e15694d07eae418f314
sha1 642cf77e2d7f038c5ba1f6dd8c21f6a91819df83
sha256 ce93cacd84937f62f066725b216645e44947bb8ed491b1104fdf80f0aae6be7c
sha512 1fa7e5818f8cea129e254d9cfdd5c5586d9b4f95a7db5c222f4089c3901b8733da09239467f6146c05ed56488d8ecfc96544bd72f3b5fe3c4c0ae8bf8f316488
ripemd-160 34593335c23f0c75a3ec439a9921451190108281

81093071 as geometric shapes

Circle

Radius = n
Diameter 162186142
Circumference 509522792.22127
Area 2.0659383982859E+16

Sphere

Radius = n
Volume 2.2337771895177E+24
Surface area 8.2637535931436E+16
Circumference 509522792.22127

Square

Length = n
Perimeter 324372284
Area 6576086164211041
Diagonal 114682920.82268

Cube

Length = n
Surface area 39456516985266246
Volume 5.3327502221648E+23
Space diagonal 140457319.11379

Equilateral Triangle

Length = n
Perimeter 243279213
Area 2.8475288378411E+15
Altitude 70228659.556895

Triangular Pyramid

Length = n
Surface area 2.8475288378411E+15
Volume 6.2847064074447E+22
Height 38227640.274228