81330495 (number)

81330495 is an odd 8-digits composite number following 81330494 and preceding 81330496. In scientific notation, it is written as 8.1330495 × 10^7. The sum of its digits is 33. It has a total of 4 prime factors and 16 positive divisors. There are 43185024 positive integers (up to 81330495) that are relatively prime to 81330495.

Interesting facts

Basic properties

Name

Name eighty-one million three hundred thirty thousand four hundred ninety-five

Notation

Scientific notation 8.1330495 × 10^7
Engineering notation 8.1330495 × 10^6

Prime Factorization of 81330495

Prime Factorization 3 × 5 × 229 × 23677

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 81330495
Product of the distinct prime numbers

The prime factorization of 81330495 is 3 × 5 × 229 × 23677. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81330495)

Multiplication

n×y
n×2 162660990
n×3 243991485
n×4 325321980
n×5 406652475

Division

n÷y
n÷2 40665247.5
n÷3 27110165
n÷3 20332623.75
n÷5 16266099

Exponentiation

ny
n2 6614649416945025
n3 5.379727113316E+23
n4 4.3753586909091E+31
n5 3.5585008813419E+39

Nth Root

y√n
2√n 9018.3421425448
3√n 433.26253708643
4√n 94.964952179974
5√n 38.19888471668

Divisors of 81330495

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 -81330494
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 81330495 can be divided by 16 positive divisors. The sum of these divisors (counting 81330495) is 1, the average is 0.0625.

Base conversion 81330495

Base System Value
2 Binary 100110110010000000100111111
3 Ternary 12200001000110120
4 Quaternary 10312100010333
5 Quinary 131310033440
6 Senary 12023110023
8 Octal 466200477
10 Decimal 81330495
12 Duodecimal 232a2313
16 Hexadecimal 4d9013f
20 Vigesimal 158664f
36 Base36 1cf70f

Cryptographic Hash Functions

md5 d8ffaa7853bd3a8be325877656916ee7
sha1 e3cbe665eb204d3c567a2b4bbe0aa26e2d15c0fe
sha256 a1424051525e8822b72d67371c3415c72558a97d68a156486ecd6c718ae047ce
sha512 049cb074fd5b5944b5b9b4c03fb2d9cab53852467cb2152a80fab065f00c48f887c4a1745f8ce5fa46d3952afd29646c5b5e2c301e3617c9e23ce9382b6ac4a9
ripemd-160 885e3a6032be7e09633e795def6e52cbe07b9614

81330495 as geometric shapes

Circle

Radius = n
Diameter 162660990
Circumference 511014571.20964
Area 2.0780534014346E+16

Sphere

Radius = n
Volume 2.2534548236682E+24
Surface area 8.3122136057386E+16
Circumference 511014571.20964

Square

Length = n
Perimeter 325321980
Area 6614649416945025
Diagonal 115018689.06352

Cube

Length = n
Surface area 39687896501670150
Volume 5.379727113316E+23
Space diagonal 140868549.54473

Equilateral Triangle

Length = n
Perimeter 243991485
Area 2.8642272161012E+15
Altitude 70434274.772363

Triangular Pyramid

Length = n
Surface area 2.8642272161012E+15
Volume 6.3400692045981E+22
Height 38339563.021172