81330456 (number)

81330456 is an even 8-digits composite number following 81330455 and preceding 81330457. In scientific notation, it is written as 8.1330456 × 10^7. The sum of its digits is 30. It has a total of 5 prime factors and 16 positive divisors. There are 27110144 positive integers (up to 81330456) that are relatively prime to 81330456.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 8.1330456 × 10^7
Engineering notation 8.1330456 × 10^6

Prime Factorization of 81330456

Prime Factorization 2 × 2 × 2 × 3 × 3388769

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 20332614
Product of the distinct prime numbers

The prime factorization of 81330456 is 2 × 2 × 2 × 3 × 3388769. Since it has a total of 5 prime factors.

Most popular turbo-numbers

5, 7, 48, 5, 667, 507, 2232, 8218, 85554, 54478, 527849, 341156, 1668710, 6449218, 96666501, 20963921, 543100489, 911575503, 7641765055, 4926655258

Basic calculations (n = 81330456)

Multiplication

n×y
n×2 162660912
n×3 243991368
n×4 325321824
n×5 406652280

Division

n÷y
n÷2 40665228
n÷3 27110152
n÷3 20332614
n÷5 16266091.2

Exponentiation

ny
n2 6614643073167936
n3 5.3797193741799E+23
n4 4.3753502985409E+31
n5 3.5584923494006E+39

Nth Root

y√n
2√n 9018.3399802846
3√n 433.26246783302
4√n 94.964940795457
5√n 38.198881053216

Divisors of 81330456

1, 2, 3, 4, 6, 8, 12, 24, 3388769, 6777538, 10166307, 13555076, 20332614, 27110152, 40665228, 81330456

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 -81330455
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 81330456 can be divided by 16 positive divisors. The sum of these divisors (counting 81330456) is 1, the average is 0.0625.

Base conversion 81330456

Base System Value
2 Binary 100110110010000000100011000
3 Ternary 12200001000102010
4 Quaternary 10312100010120
5 Quinary 131310033311
6 Senary 12023105520
8 Octal 466200430
10 Decimal 81330456
12 Duodecimal 232a22a0
16 Hexadecimal 4d90118
20 Vigesimal 158662g
36 Base36 1cf6zc

Cryptographic Hash Functions

md5 cce3d9fc408fec202d33453aee68b7f9
sha1 0c57b51d3f3e98b8e1ed61eb0a89f2ea6c5a3c29
sha256 eda3032b076a3e6a43ec76fc21251a7f4020d37378a2eb206186db0f92a9d184
sha512 1c4bea5ddc608fba3890b823b5407b6795a9fdddb67c4864c6646b991bc7f9162d3ff6b123f4e5d9800bd5f656cb43f691775a2862cb4704d42ba0cfeedc2417
ripemd-160 eb02277153597def9f70d5d3d86c4d44bd14e2b7

81330456 as geometric shapes

Circle

Radius = n
Diameter 162660912
Circumference 511014326.16542
Area 2.0780514084783E+16

Sphere

Radius = n
Volume 2.2534515819064E+24
Surface area 8.3122056339132E+16
Circumference 511014326.16542

Square

Length = n
Perimeter 325321824
Area 6614643073167936
Diagonal 115018633.90919

Cube

Length = n
Surface area 39687858439007616
Volume 5.3797193741799E+23
Space diagonal 140868481.99475

Equilateral Triangle

Length = n
Perimeter 243991368
Area 2.8642244691651E+15
Altitude 70434240.997373

Triangular Pyramid

Length = n
Surface area 2.8642244691651E+15
Volume 6.3400600839388E+22
Height 38339544.636396