81330650 (number)

81330650 is an even 8-digits composite number following 81330649 and preceding 81330651. In scientific notation, it is written as 8.1330650 × 10^7. The sum of its digits is 26. It has a total of 3 prime factors and 8 positive divisors. There are 32532240 positive integers (up to 81330650) that are relatively prime to 81330650.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 8.1330650 × 10^7
Engineering notation 8.1330650 × 10^6

Prime Factorization of 81330650

Prime Factorization 2 × 25 × 1626613

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 81330650
Product of the distinct prime numbers

The prime factorization of 81330650 is 2 × 25 × 1626613. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81330650)

Multiplication

n×y
n×2 162661300
n×3 243991950
n×4 325322600
n×5 406653250

Division

n÷y
n÷2 40665325
n÷3 27110216.666667
n÷3 20332662.5
n÷5 16266130

Exponentiation

ny
n2 6614674629422500
n3 5.3797578714944E+23
n4 4.3753920453126E+31
n5 3.558534790501E+39

Nth Root

y√n
2√n 9018.350736138
3√n 433.26281232411
4√n 94.964997426094
5√n 38.198899276588

Divisors of 81330650

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 -81330649
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 81330650 can be divided by 8 positive divisors. The sum of these divisors (counting 81330650) is 1, the average is 0.125.

Base conversion 81330650

Base System Value
2 Binary 100110110010000000111011010
3 Ternary 12200001000200022
4 Quaternary 10312100013122
5 Quinary 131310040100
6 Senary 12023110442
8 Octal 466200732
10 Decimal 81330650
12 Duodecimal 232a2422
16 Hexadecimal 4d901da
20 Vigesimal 15866ca
36 Base36 1cf74q

Cryptographic Hash Functions

md5 ba3c2ff3ada083b31e9aae00a33d92d9
sha1 f3567544c73b6366156a7ab81d5127e2d1dbaed0
sha256 86cc8ac6f14e572583d9394421ad9f494f60841737b70a93c7452c3e38a2ea3d
sha512 5085decd47fcc1886c666ef152c6fc1e974733712dae813220bb26903cd8a6a2c964127ddc8ae1f3e82b8f8aedc18af667572c306485994f24290b4475039d2b
ripemd-160 2c9a13136b53069ab30cc49c2a57447cd6c6edc4

81330650 as geometric shapes

Circle

Radius = n
Diameter 162661300
Circumference 511015545.10337
Area 2.0780613221681E+16

Sphere

Radius = n
Volume 2.2534677076238E+24
Surface area 8.3122452886722E+16
Circumference 511015545.10337

Square

Length = n
Perimeter 325322600
Area 6614674629422500
Diagonal 115018908.26662

Cube

Length = n
Surface area 39688047776535000
Volume 5.3797578714944E+23
Space diagonal 140868818.0126

Equilateral Triangle

Length = n
Perimeter 243991950
Area 2.8642381334242E+15
Altitude 70434409.006301

Triangular Pyramid

Length = n
Surface area 2.8642381334242E+15
Volume 6.340105453459E+22
Height 38339636.088873