81330459 (number)

81330459 is an odd 8-digits composite number following 81330458 and preceding 81330460. In scientific notation, it is written as 8.1330459 × 10^7. The sum of its digits is 33. It has a total of 3 prime factors and 8 positive divisors. There are 46046880 positive integers (up to 81330459) that are relatively prime to 81330459.

Interesting facts

Basic properties

Name

Name eighty-one million three hundred thirty thousand four hundred fifty-nine

Notation

Scientific notation 8.1330459 × 10^7
Engineering notation 8.1330459 × 10^6

Prime Factorization of 81330459

Prime Factorization 21 × 109 × 35531

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 81330459
Product of the distinct prime numbers

The prime factorization of 81330459 is 21 × 109 × 35531. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81330459)

Multiplication

n×y
n×2 162660918
n×3 243991377
n×4 325321836
n×5 406652295

Division

n÷y
n÷2 40665229.5
n÷3 27110153
n÷3 20332614.75
n÷5 16266091.8

Exponentiation

ny
n2 6614643561150681
n3 5.3797199694978E+23
n4 4.3753509441072E+31
n5 3.5584930057032E+39

Nth Root

y√n
2√n 9018.3401466123
3√n 433.26247316021
4√n 94.964941671189
5√n 38.198881335021

Divisors of 81330459

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 -81330458
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 81330459 can be divided by 8 positive divisors. The sum of these divisors (counting 81330459) is 1, the average is 0.125.

Base conversion 81330459

Base System Value
2 Binary 100110110010000000100011011
3 Ternary 12200001000102020
4 Quaternary 10312100010123
5 Quinary 131310033314
6 Senary 12023105523
8 Octal 466200433
10 Decimal 81330459
12 Duodecimal 232a22a3
16 Hexadecimal 4d9011b
20 Vigesimal 158662j
36 Base36 1cf6zf

Cryptographic Hash Functions

md5 9aaee907ba41e124d2647b9c9f4012c0
sha1 63c2877e184b5a2851d58eca6fa174e797108396
sha256 5b1f1b90325b4eab30f046d981f06d104fda69bdf8ef32f7f304079d519c6e03
sha512 ef606712aa3925a86cb285b04d78b08b2d20dc627455d258b738bf14f6b8b78ab6efe21fdeaedc91ee15450289d2aa4e04130c08997af5e22ff280cf856bdd8e
ripemd-160 189343c32e56d992f99499757c8296b7a0d67d24

81330459 as geometric shapes

Circle

Radius = n
Diameter 162660918
Circumference 511014345.01497
Area 2.0780515617826E+16

Sphere

Radius = n
Volume 2.2534518312726E+24
Surface area 8.3122062471304E+16
Circumference 511014345.01497

Square

Length = n
Perimeter 325321836
Area 6614643561150681
Diagonal 115018638.15183

Cube

Length = n
Surface area 39687861366904086
Volume 5.3797199694978E+23
Space diagonal 140868487.1909

Equilateral Triangle

Length = n
Perimeter 243991377
Area 2.8642246804678E+15
Altitude 70434243.595449

Triangular Pyramid

Length = n
Surface area 2.8642246804678E+15
Volume 6.3400607855276E+22
Height 38339546.05061