81330284 (number)

81330284 is an even 8-digits composite number following 81330283 and preceding 81330285. In scientific notation, it is written as 8.1330284 × 10^7. The sum of its digits is 29. It has a total of 4 prime factors and 12 positive divisors. There are 34855824 positive integers (up to 81330284) that are relatively prime to 81330284.

Interesting facts

Basic properties

Name

Name eighty-one million three hundred thirty thousand two hundred eighty-four

Notation

Scientific notation 8.1330284 × 10^7
Engineering notation 8.1330284 × 10^6

Prime Factorization of 81330284

Prime Factorization 2 × 2 × 7 × 2904653

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 40665142
Product of the distinct prime numbers

The prime factorization of 81330284 is 2 × 2 × 7 × 2904653. Since it has a total of 4 prime factors.

Most popular turbo-numbers

6, 8, 45, 61, 703, 172, 913, 8357, 11129, 16885, 106733, 542575, 4995072, 1447857, 37294363, 19684163, 833965045, 734520199, 3402771872, 6643642640

Basic calculations (n = 81330284)

Multiplication

n×y
n×2 162660568
n×3 243990852
n×4 325321136
n×5 406651420

Division

n÷y
n÷2 40665142
n÷3 27110094.666667
n÷3 20332571
n÷5 16266056.8

Exponentiation

ny
n2 6614615095520656
n3 5.3796852426938E+23
n4 4.375313286189E+31
n5 3.5584547215472E+39

Nth Root

y√n
2√n 9018.3304441565
3√n 433.26216240747
4√n 94.964890586766
5√n 38.198864896382

Divisors of 81330284

1, 2, 4, 7, 14, 28, 2904653, 5809306, 11618612, 20332571, 40665142, 81330284

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81330283
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81330284 can be divided by 12 positive divisors. The sum of these divisors (counting 81330284) is 1, the average is 0.083333333333333.

Base conversion 81330284

Base System Value
2 Binary 100110110010000000001101100
3 Ternary 12200001000011202
4 Quaternary 10312100001230
5 Quinary 131310032114
6 Senary 12023105032
8 Octal 466200154
10 Decimal 81330284
12 Duodecimal 232a2178
16 Hexadecimal 4d9006c
20 Vigesimal 15865e4
36 Base36 1cf6uk

Cryptographic Hash Functions

md5 35a59341eb3b430e5a1ac9852aa193db
sha1 7a0e8e4d7b14d0401525da95e35fcf9c18f92015
sha256 347aadde32dbb9034c8df7d543ce1301a40bdc043c2af73a0151573e9c05d836
sha512 f7ae10bee5b6dd24fb81d6682162925b78c0d54e500e1ad4b2931894d4cfc6c566eb8df7d9038e47e59e9b868786cc887e3722409bdd7284562a775709036d1e
ripemd-160 5d5e3590cca18deab41bc5c0b7be34c01c3aa950

81330284 as geometric shapes

Circle

Radius = n
Diameter 162660568
Circumference 511013245.45754
Area 2.0780426190412E+16

Sphere

Radius = n
Volume 2.253437284943E+24
Surface area 8.3121704761647E+16
Circumference 511013245.45754

Square

Length = n
Perimeter 325321136
Area 6614615095520656
Diagonal 115018390.66446

Cube

Length = n
Surface area 39687690573123936
Volume 5.3796852426938E+23
Space diagonal 140868184.08201

Equilateral Triangle

Length = n
Perimeter 243990852
Area 2.8642123544885E+15
Altitude 70434092.041003

Triangular Pyramid

Length = n
Surface area 2.8642123544885E+15
Volume 6.3400198595967E+22
Height 38339463.554819