81005093 (number)

81005093 is an odd 8-digits composite number following 81005092 and preceding 81005094. In scientific notation, it is written as 8.1005093 × 10^7. The sum of its digits is 26. It has a total of 3 prime factors and 8 positive divisors. There are 74649600 positive integers (up to 81005093) that are relatively prime to 81005093.

Interesting facts

Basic properties

Name

Name eighty-one million five thousand ninety-three

Notation

Scientific notation 8.1005093 × 10^7
Engineering notation 8.1005093 × 10^6

Prime Factorization of 81005093

Prime Factorization 13 × 641 × 9721

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 81005093
Product of the distinct prime numbers

The prime factorization of 81005093 is 13 × 641 × 9721. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81005093)

Multiplication

n×y
n×2 162010186
n×3 243015279
n×4 324020372
n×5 405025465

Division

n÷y
n÷2 40502546.5
n÷3 27001697.666667
n÷3 20251273.25
n÷5 16201018.6

Exponentiation

ny
n2 6561825091938649
n3 5.3154125182222E+23
n4 4.3057548537196E+31
n5 3.4878807236075E+39

Nth Root

y√n
2√n 9000.2829399969
3√n 432.68393926891
4√n 94.869821018051
5√n 38.168269055839

Divisors of 81005093

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 -81005092
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 81005093 can be divided by 8 positive divisors. The sum of these divisors (counting 81005093) is 1, the average is 0.125.

Base conversion 81005093

Base System Value
2 Binary 100110101000000101000100101
3 Ternary 12122102111002122
4 Quaternary 10311000220211
5 Quinary 131214130333
6 Senary 12012115325
8 Octal 465005045
10 Decimal 81005093
12 Duodecimal 23165b45
16 Hexadecimal 4d40a25
20 Vigesimal 1565ced
36 Base36 1c87xh

Cryptographic Hash Functions

md5 583b7c6eec90eafe91b2b41023bfe0dc
sha1 ad74d9191a144043afb19f35eafd18227f17915b
sha256 e6fa4bb694ea5b3db8ab1660fceec7b505ec52ffb6e1acf10066d280d3283f36
sha512 e423c18c365f1c3a4d9893efe0f0afecfb3cc85c5eb8f46bc0c97d0a54ac588ee7d82ce293e1ff077925cd91fbd3c84782d86f1d1ecec63be56f33b4cd066bce
ripemd-160 51c7d8c597dd7bbc74306cbeeb8817b2542263e7

81005093 as geometric shapes

Circle

Radius = n
Diameter 162010186
Circumference 508970010.14432
Area 2.0614581502976E+16

Sphere

Radius = n
Volume 2.2265147890728E+24
Surface area 8.2458326011903E+16
Circumference 508970010.14432

Square

Length = n
Perimeter 324020372
Area 6561825091938649
Diagonal 114558501.14189

Cube

Length = n
Surface area 39370950551631894
Volume 5.3154125182222E+23
Space diagonal 140304936.74784

Equilateral Triangle

Length = n
Perimeter 243015279
Area 2.8413536124045E+15
Altitude 70152468.373921

Triangular Pyramid

Length = n
Surface area 2.8413536124045E+15
Volume 6.264273727398E+22
Height 38186167.047298