81576812 (number)

81576812 is an even 8-digits composite number following 81576811 and preceding 81576813. In scientific notation, it is written as 8.1576812 × 10^7. The sum of its digits is 38. It has a total of 4 prime factors and 12 positive divisors. There are 38389056 positive integers (up to 81576812) that are relatively prime to 81576812.

Interesting facts

Basic properties

Name

Name eighty-one million five hundred seventy-six thousand eight hundred twelve

Notation

Scientific notation 8.1576812 × 10^7
Engineering notation 8.1576812 × 10^6

Prime Factorization of 81576812

Prime Factorization 2 × 2 × 17 × 1199659

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 40788406
Product of the distinct prime numbers

The prime factorization of 81576812 is 2 × 2 × 17 × 1199659. Since it has a total of 4 prime factors.

Most popular turbo-numbers

1, 5, 52, 39, 714, 491, 4214, 325, 97206, 14106, 700216, 478373, 4472177, 2810974, 76951735, 82419825, 213239566, 512986341, 3850456448, 7102171746

Basic calculations (n = 81576812)

Multiplication

n×y
n×2 163153624
n×3 244730436
n×4 326307248
n×5 407884060

Division

n÷y
n÷2 40788406
n÷3 27192270.666667
n÷3 20394203
n÷5 16315362.4

Exponentiation

ny
n2 6654776256083344
n3 5.4287543154457E+23
n4 4.4286047018531E+31
n5 3.6127145318538E+39

Nth Root

y√n
2√n 9031.9882639428
3√n 433.69948828645
4√n 95.036773219332
5√n 38.221994515531

Divisors of 81576812

1, 2, 4, 17, 34, 68, 1199659, 2399318, 4798636, 20394203, 40788406, 81576812

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81576811
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81576812 can be divided by 12 positive divisors. The sum of these divisors (counting 81576812) is 1, the average is 0.083333333333333.

Base conversion 81576812

Base System Value
2 Binary 100110111001100001101101100
3 Ternary 12200111112100102
4 Quaternary 10313030031230
5 Quinary 131340424222
6 Senary 12032250232
8 Octal 467141554
10 Decimal 81576812
12 Duodecimal 233a0978
16 Hexadecimal 4dcc36c
20 Vigesimal 159h20c
36 Base36 1ckh2k

Cryptographic Hash Functions

md5 7e194d9c67a4e0633dc7e1f6d716c18b
sha1 ec4f1fda1fdb087c9828ba6c7525c374af123d8d
sha256 afbbeeaea740d5c11e50e0ee36bb6701e1258a7339202c4ffeaa6628e46e1554
sha512 a0da5d1ab6d0f3e7a7189281ffa3de6e3d5e396a20e60c097b6c2cef73e050d8becec93bb5cafc5f763bbafa57116527d742f5d5986a2d3a479fb5da8c0c748d
ripemd-160 433962f114679c38d6189a23dd555a418bd8cf1d

81576812 as geometric shapes

Circle

Radius = n
Diameter 163153624
Circumference 512562226.56495
Area 2.0906596197395E+16

Sphere

Radius = n
Volume 2.2739912900731E+24
Surface area 8.3626384789581E+16
Circumference 512562226.56495

Square

Length = n
Perimeter 326307248
Area 6654776256083344
Diagonal 115367033.90556

Cube

Length = n
Surface area 39928657536500064
Volume 5.4287543154457E+23
Space diagonal 141295183.10349

Equilateral Triangle

Length = n
Perimeter 244730436
Area 2.8816026471348E+15
Altitude 70647591.551747

Triangular Pyramid

Length = n
Surface area 2.8816026471348E+15
Volume 6.3978483164124E+22
Height 38455677.96852