81330368 (number)

81330368 is an even 8-digits composite number following 81330367 and preceding 81330369. In scientific notation, it is written as 8.1330368 × 10^7. The sum of its digits is 32. It has a total of 9 prime factors and 56 positive divisors. There are 34691328 positive integers (up to 81330368) that are relatively prime to 81330368.

Interesting facts

Basic properties

Name

Name eighty-one million three hundred thirty thousand three hundred sixty-eight

Notation

Scientific notation 8.1330368 × 10^7
Engineering notation 8.1330368 × 10^6

Prime Factorization of 81330368

Prime Factorization 2 × 2 × 2 × 2 × 2 × 2 × 7 × 479 × 379

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 9
Total number of prime factors
rad Radical 2541574
Product of the distinct prime numbers

The prime factorization of 81330368 is 2 × 2 × 2 × 2 × 2 × 2 × 7 × 479 × 379. Since it has a total of 9 prime factors.

Most popular turbo-numbers

10, 5, 74, 17, 555, 746, 3113, 1313, 89283, 39952, 98731, 126474, 732566, 1309961, 9764507, 37962061, 334662580, 934553519, 2969193706, 5637624922

Basic calculations (n = 81330368)

Multiplication

n×y
n×2 162660736
n×3 243991104
n×4 325321472
n×5 406651840

Division

n÷y
n÷2 40665184
n÷3 27110122.666667
n÷3 20332592
n÷5 16266073.6

Exponentiation

ny
n2 6614628759015424
n3 5.3797019115411E+23
n4 4.3753313619594E+31
n5 3.558473097901E+39

Nth Root

y√n
2√n 9018.3351013366
3√n 433.26231156884
4√n 94.9649151073
5√n 38.198872786932

Divisors of 81330368

1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 224, 379, 448, 479, 758, 958, 1516, 1916, 2653, 3032, 3353, 3832, 5306, 6064, 6706, 7664, 10612, 12128, 13412, 15328, 21224, 24256, 26824, 30656, 42448, 53648, 84896, 107296, 169792, 181541, 214592, 363082, 726164, 1270787, 1452328, 2541574, 2904656, 5083148, 5809312, 10166296, 11618624, 20332592, 40665184, 81330368

56 divisors

τ Total Divisors 56
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81330367
Sum of the proper positive divisors of n
A Arithmetic Mean 0.017857142857143
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 56
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81330368 can be divided by 56 positive divisors. The sum of these divisors (counting 81330368) is 1, the average is 0.017857142857143.

Base conversion 81330368

Base System Value
2 Binary 100110110010000000011000000
3 Ternary 12200001000021212
4 Quaternary 10312100003000
5 Quinary 131310032433
6 Senary 12023105252
8 Octal 466200300
10 Decimal 81330368
12 Duodecimal 232a2228
16 Hexadecimal 4d900c0
20 Vigesimal 15865i8
36 Base36 1cf6ww

Cryptographic Hash Functions

md5 e4bf2dac5f55ce44b46181c70b9dc28a
sha1 9234fbf92d0b8b97d43e8433af6651373eeb94cb
sha256 cd1f9a34b553672a62baabec9a02d4453644f154190c7a43d26c28981ffaa04e
sha512 903e9f5aeb06b1a9704e30b30facb5ff3962784e27a6da03503aa0d24a2f6218779b95e9a9fe03c362eba4fbb8ea44892f1ecd2e7ee2336c8967fbe93b9219fb
ripemd-160 cecf51b977690864964b1df9736d613a153db98c

81330368 as geometric shapes

Circle

Radius = n
Diameter 162660736
Circumference 511013773.24511
Area 2.0780469115547E+16

Sphere

Radius = n
Volume 2.2534442671734E+24
Surface area 8.3121876462187E+16
Circumference 511013773.24511

Square

Length = n
Perimeter 325321472
Area 6614628759015424
Diagonal 115018509.45839

Cube

Length = n
Surface area 39687772554092544
Volume 5.3797019115411E+23
Space diagonal 140868329.57427

Equilateral Triangle

Length = n
Perimeter 243991104
Area 2.8642182709552E+15
Altitude 70434164.787137

Triangular Pyramid

Length = n
Surface area 2.8642182709552E+15
Volume 6.3400395040215E+22
Height 38339503.152798