81330609 (number)

81330609 is an odd 8-digits composite number following 81330608 and preceding 81330610. In scientific notation, it is written as 8.1330609 × 10^7. The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors. There are 54191696 positive integers (up to 81330609) that are relatively prime to 81330609.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 8.1330609 × 10^7
Engineering notation 8.1330609 × 10^6

Prime Factorization of 81330609

Prime Factorization 3 × 2237 × 12119

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 81330609
Product of the distinct prime numbers

The prime factorization of 81330609 is 3 × 2237 × 12119. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81330609)

Multiplication

n×y
n×2 162661218
n×3 243991827
n×4 325322436
n×5 406653045

Division

n÷y
n÷2 40665304.5
n÷3 27110203
n÷3 20332652.25
n÷5 16266121.8

Exponentiation

ny
n2 6614667960310881
n3 5.3797497354487E+23
n4 4.3753832225163E+31
n5 3.5585258209564E+39

Nth Root

y√n
2√n 9018.3484629948
3√n 433.26273951934
4√n 94.964985457772
5√n 38.19889542526

Divisors of 81330609

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 -81330608
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 81330609 can be divided by 8 positive divisors. The sum of these divisors (counting 81330609) is 1, the average is 0.125.

Base conversion 81330609

Base System Value
2 Binary 100110110010000000110110001
3 Ternary 12200001000121210
4 Quaternary 10312100012301
5 Quinary 131310034414
6 Senary 12023110333
8 Octal 466200661
10 Decimal 81330609
12 Duodecimal 232a23a9
16 Hexadecimal 4d901b1
20 Vigesimal 15866a9
36 Base36 1cf73l

Cryptographic Hash Functions

md5 99c76d2019e859a4a091ccae59d7ce8c
sha1 82defb108822846d86ef5dde9b3f99a128aa6055
sha256 7b671633bb4f07467e0c646fed5799529c9a89fa5815cf311fbeeabd296dda05
sha512 81f971a3c2a23de2f30f6a2f22556c4c5995cab5c50c02c67235e58786fb117538c4fb3338e63df77d316c890119edda3099291cff29e47b1577cd41c26c3f57
ripemd-160 eeaf104af532a860ffa1991b28a68a57b247eeb4

81330609 as geometric shapes

Circle

Radius = n
Diameter 162661218
Circumference 511015287.49277
Area 2.0780592270048E+16

Sphere

Radius = n
Volume 2.253464299605E+24
Surface area 8.3122369080194E+16
Circumference 511015287.49277

Square

Length = n
Perimeter 325322436
Area 6614667960310881
Diagonal 115018850.28386

Cube

Length = n
Surface area 39688007761865286
Volume 5.3797497354487E+23
Space diagonal 140868746.99852

Equilateral Triangle

Length = n
Perimeter 243991827
Area 2.8642352456141E+15
Altitude 70434373.499259

Triangular Pyramid

Length = n
Surface area 2.8642352456141E+15
Volume 6.3400958650372E+22
Height 38339616.761288