81330366 (number)

81330366 is an even 8-digits composite number following 81330365 and preceding 81330367. In scientific notation, it is written as 8.1330366 × 10^7. The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors. There are 24347520 positive integers (up to 81330366) that are relatively prime to 81330366.

Interesting facts

Basic properties

Name

Name eighty-one million three hundred thirty thousand three hundred sixty-six

Notation

Scientific notation 8.1330366 × 10^7
Engineering notation 8.1330366 × 10^6

Prime Factorization of 81330366

Prime Factorization 2 × 111 × 13 × 28181

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 81330366
Product of the distinct prime numbers

The prime factorization of 81330366 is 2 × 111 × 13 × 28181. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81330366)

Multiplication

n×y
n×2 162660732
n×3 243991098
n×4 325321464
n×5 406651830

Division

n÷y
n÷2 40665183
n÷3 27110122
n÷3 20332591.5
n÷5 16266073.2

Exponentiation

ny
n2 6614628433693956
n3 5.3797015146634E+23
n4 4.3753309315833E+31
n5 3.5584726603679E+39

Nth Root

y√n
2√n 9018.3349904514
3√n 433.26230801738
4√n 94.964914523478
5√n 38.198872599062

Divisors of 81330366

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81330365
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81330366 can be divided by 16 positive divisors. The sum of these divisors (counting 81330366) is 1, the average is 0.0625.

Base conversion 81330366

Base System Value
2 Binary 100110110010000000010111110
3 Ternary 12200001000021210
4 Quaternary 10312100002332
5 Quinary 131310032431
6 Senary 12023105250
8 Octal 466200276
10 Decimal 81330366
12 Duodecimal 232a2226
16 Hexadecimal 4d900be
20 Vigesimal 15865i6
36 Base36 1cf6wu

Cryptographic Hash Functions

md5 6c96d420a9a32765812ba888ddbc9f21
sha1 746915113e587643d588e346b821488d7e4159fe
sha256 b4e07b932334c3dbfe142fd9685a62b6297e45ee1362a75f11f5371ba9bbc614
sha512 13ed62d6d0e19bfc45703c82bb62ec08c2536d37ae9ab77ea2b6c7d924ca1e9037644541b3c96181511680b7b927db7b0bced16533ea8ad7cd1d2c15512fe0b4
ripemd-160 43facf863b486f761b9ec2ca4979a30c166c01d1

81330366 as geometric shapes

Circle

Radius = n
Diameter 162660732
Circumference 511013760.67874
Area 2.0780468093519E+16

Sphere

Radius = n
Volume 2.2534441009296E+24
Surface area 8.3121872374076E+16
Circumference 511013760.67874

Square

Length = n
Perimeter 325321464
Area 6614628433693956
Diagonal 115018506.62997

Cube

Length = n
Surface area 39687770602163736
Volume 5.3797015146634E+23
Space diagonal 140868326.11017

Equilateral Triangle

Length = n
Perimeter 243991098
Area 2.8642181300869E+15
Altitude 70434163.055086

Triangular Pyramid

Length = n
Surface area 2.8642181300869E+15
Volume 6.3400390362967E+22
Height 38339502.209989