81330450 (number)

81330450 is an even 8-digits composite number following 81330449 and preceding 81330451. In scientific notation, it is written as 8.1330450 × 10^7. The sum of its digits is 24. It has a total of 5 prime factors and 32 positive divisors. There are 20545920 positive integers (up to 81330450) that are relatively prime to 81330450.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 8.1330450 × 10^7
Engineering notation 8.1330450 × 10^6

Prime Factorization of 81330450

Prime Factorization 2 × 15 × 5 × 19 × 28537

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 81330450
Product of the distinct prime numbers

The prime factorization of 81330450 is 2 × 15 × 5 × 19 × 28537. Since it has a total of 5 prime factors.

Most popular turbo-numbers

10, 3, 22, 17, 930, 7, 7953, 7299, 32488, 78714, 846306, 641241, 8156784, 1034669, 11951052, 94317738, 945482263, 738498070, 7834925585, 7775899612

Basic calculations (n = 81330450)

Multiplication

n×y
n×2 162660900
n×3 243991350
n×4 325321800
n×5 406652250

Division

n÷y
n÷2 40665225
n÷3 27110150
n÷3 20332612.5
n÷5 16266090

Exponentiation

ny
n2 6614642097202500
n3 5.3797181835442E+23
n4 4.3753490074083E+31
n5 3.5584910367957E+39

Nth Root

y√n
2√n 9018.3396476292
3√n 433.26245717865
4√n 94.964939043992
5√n 38.198880489606

Divisors of 81330450

1, 2, 5, 10, 15, 19, 30, 38, 75, 95, 150, 190, 285, 570, 1425, 2850, 28537, 57074, 142685, 285370, 428055, 542203, 856110, 1084406, 2140275, 2711015, 4280550, 5422030, 8133045, 16266090, 40665225, 81330450

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81330449
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81330450 can be divided by 32 positive divisors. The sum of these divisors (counting 81330450) is 1, the average is 0.03125.

Base conversion 81330450

Base System Value
2 Binary 100110110010000000100010010
3 Ternary 12200001000101220
4 Quaternary 10312100010102
5 Quinary 131310033300
6 Senary 12023105510
8 Octal 466200422
10 Decimal 81330450
12 Duodecimal 232a2296
16 Hexadecimal 4d90112
20 Vigesimal 158662a
36 Base36 1cf6z6

Cryptographic Hash Functions

md5 85cac2a77f97e6fe92f7522c2c620bdd
sha1 fcc76564f090b0187e764e04793758e173387c0a
sha256 c34f0fc9b14e1d09ab728588c8a4c9dd46cb6b840510d6f589da639b454de545
sha512 5d465865821a928dc626ef2939cbd18174febcc2070673ca93795a090ed9600d992473a601e18ba176486bbae433fcd4d0b7266eb80f9b1b98c2eda8682155f2
ripemd-160 e52f2d0f86d29d21d42c861ee87b1eb8f7095273

81330450 as geometric shapes

Circle

Radius = n
Diameter 162660900
Circumference 511014288.4663
Area 2.0780511018697E+16

Sphere

Radius = n
Volume 2.2534510831741E+24
Surface area 8.3122044074789E+16
Circumference 511014288.4663

Square

Length = n
Perimeter 325321800
Area 6614642097202500
Diagonal 115018625.42391

Cube

Length = n
Surface area 39687852583215000
Volume 5.3797181835442E+23
Space diagonal 140868471.60244

Equilateral Triangle

Length = n
Perimeter 243991350
Area 2.8642240465597E+15
Altitude 70434235.80122

Triangular Pyramid

Length = n
Surface area 2.8642240465597E+15
Volume 6.3400586807612E+22
Height 38339541.807969