81330893 (number)

81330893 is an odd 8-digits composite number following 81330892 and preceding 81330894. In scientific notation, it is written as 8.1330893 × 10^7. The sum of its digits is 35. It has a total of 3 prime factors and 8 positive divisors. There are 69647616 positive integers (up to 81330893) that are relatively prime to 81330893.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 8.1330893 × 10^7
Engineering notation 8.1330893 × 10^6

Prime Factorization of 81330893

Prime Factorization 7 × 1217 × 9547

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 81330893
Product of the distinct prime numbers

The prime factorization of 81330893 is 7 × 1217 × 9547. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81330893)

Multiplication

n×y
n×2 162661786
n×3 243992679
n×4 325323572
n×5 406654465

Division

n÷y
n÷2 40665446.5
n÷3 27110297.666667
n÷3 20332723.25
n÷5 16266178.6

Exponentiation

ny
n2 6614714156177449
n3 5.3798060926165E+23
n4 4.3754443367934E+31
n5 3.558587951832E+39

Nth Root

y√n
2√n 9018.3642086578
3√n 433.26324382506
4√n 94.965068360202
5√n 38.198922102722

Divisors of 81330893

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 -81330892
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 81330893 can be divided by 8 positive divisors. The sum of these divisors (counting 81330893) is 1, the average is 0.125.

Base conversion 81330893

Base System Value
2 Binary 100110110010000001011001101
3 Ternary 12200001001000022
4 Quaternary 10312100023031
5 Quinary 131310042033
6 Senary 12023111525
8 Octal 466201315
10 Decimal 81330893
12 Duodecimal 232a25a5
16 Hexadecimal 4d902cd
20 Vigesimal 158674d
36 Base36 1cf7bh

Cryptographic Hash Functions

md5 328ccca4f501fad6f266916cba4a29f2
sha1 b19b889fcd24f6e3e936cd0b739efb178d6a6ffc
sha256 88b788dbb86bd9e3e687e9c54c4b91147f8ab63afe051d4e60fbea8f9cde2c89
sha512 7edf508c8ea82a9a4ef393457e7043b0287f72527641cfb9f00154d7ea5a152545753115c50eb2d115cd1fa6bceeecfc0980d1ca322f0a899b8e3472a49f418e
ripemd-160 f265efc6455980da34aee2923d04d9bfb89da506

81330893 as geometric shapes

Circle

Radius = n
Diameter 162661786
Circumference 511017071.9174
Area 2.0780737398643E+16

Sphere

Radius = n
Volume 2.2534879064402E+24
Surface area 8.3122949594574E+16
Circumference 511017071.9174

Square

Length = n
Perimeter 325323572
Area 6614714156177449
Diagonal 115019251.92052

Cube

Length = n
Surface area 39688284937064694
Volume 5.3798060926165E+23
Space diagonal 140869238.90095

Equilateral Triangle

Length = n
Perimeter 243992679
Area 2.8642552490111E+15
Altitude 70434619.450474

Triangular Pyramid

Length = n
Surface area 2.8642552490111E+15
Volume 6.3401622825964E+22
Height 38339750.640172