81330446 (number)

81330446 is an even 8-digits composite number following 81330445 and preceding 81330447. In scientific notation, it is written as 8.1330446 × 10^7. The sum of its digits is 29. It has a total of 3 prime factors and 8 positive divisors. There are 39998520 positive integers (up to 81330446) that are relatively prime to 81330446.

Interesting facts

Basic properties

Name

Name eighty-one million three hundred thirty thousand four hundred forty-six

Notation

Scientific notation 8.1330446 × 10^7
Engineering notation 8.1330446 × 10^6

Prime Factorization of 81330446

Prime Factorization 2 × 61 × 666643

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 81330446
Product of the distinct prime numbers

The prime factorization of 81330446 is 2 × 61 × 666643. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81330446)

Multiplication

n×y
n×2 162660892
n×3 243991338
n×4 325321784
n×5 406652230

Division

n÷y
n÷2 40665223
n÷3 27110148.666667
n÷3 20332611.5
n÷5 16266089.2

Exponentiation

ny
n2 6614641446558916
n3 5.3797173897872E+23
n4 4.3753481466535E+31
n5 3.558490161726E+39

Nth Root

y√n
2√n 9018.3394258588
3√n 433.26245007573
4√n 94.964937876349
5√n 38.198880113866

Divisors of 81330446

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 -81330445
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 81330446 can be divided by 8 positive divisors. The sum of these divisors (counting 81330446) is 1, the average is 0.125.

Base conversion 81330446

Base System Value
2 Binary 100110110010000000100001110
3 Ternary 12200001000101202
4 Quaternary 10312100010032
5 Quinary 131310033241
6 Senary 12023105502
8 Octal 466200416
10 Decimal 81330446
12 Duodecimal 232a2292
16 Hexadecimal 4d9010e
20 Vigesimal 1586626
36 Base36 1cf6z2

Cryptographic Hash Functions

md5 ce7db680fe7368c562bba6693c804a68
sha1 d2f0caf68ab81eb0a076c8d5cae8621ca4770d0d
sha256 85c89a48934e1e5fae43d2530141774ea9949cfa5574117ed730283ead02ec70
sha512 a7abad43342d3640c2e9d5c4d259cb28829588af489b46485f8bc909a4035b7b03b8c903c36f0ac836fdba11565a4b9cbb2596bd3daa71320c5e40c032e21559
ripemd-160 7f20403e6e6869bae0d6b64ef4997b0714928df3

81330446 as geometric shapes

Circle

Radius = n
Diameter 162660892
Circumference 511014263.33356
Area 2.078050897464E+16

Sphere

Radius = n
Volume 2.253450750686E+24
Surface area 8.312203589856E+16
Circumference 511014263.33356

Square

Length = n
Perimeter 325321784
Area 6614641446558916
Diagonal 115018619.76705

Cube

Length = n
Surface area 39687848679353496
Volume 5.3797173897872E+23
Space diagonal 140868464.67424

Equilateral Triangle

Length = n
Perimeter 243991338
Area 2.8642237648227E+15
Altitude 70434232.337118

Triangular Pyramid

Length = n
Surface area 2.8642237648227E+15
Volume 6.3400577453096E+22
Height 38339539.922351