81330500 (number)

81330500 is an even 8-digits composite number following 81330499 and preceding 81330501. In scientific notation, it is written as 8.1330500 × 10^7. The sum of its digits is 20. It has a total of 6 prime factors and 48 positive divisors. There are 30576000 positive integers (up to 81330500) that are relatively prime to 81330500.

Interesting facts

Basic properties

Name

Name eighty-one million three hundred thirty thousand five hundred

Notation

Scientific notation 8.1330500 × 10^7
Engineering notation 8.1330500 × 10^6

Prime Factorization of 81330500

Prime Factorization 2 × 2 × 125 × 79 × 71 × 29

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 40665250
Product of the distinct prime numbers

The prime factorization of 81330500 is 2 × 2 × 125 × 79 × 71 × 29. Since it has a total of 6 prime factors.

Most popular turbo-numbers

6, 5, 6, 81, 905, 761, 3812, 1063, 55692, 62233, 511957, 315480, 6713933, 5638480, 22690643, 7410346, 924325351, 631550930, 4384639865, 7460377451

Basic calculations (n = 81330500)

Multiplication

n×y
n×2 162661000
n×3 243991500
n×4 325322000
n×5 406652500

Division

n÷y
n÷2 40665250
n÷3 27110166.666667
n÷3 20332625
n÷5 16266100

Exponentiation

ny
n2 6614650230250000
n3 5.3797281055135E+23
n4 4.3753597668546E+31
n5 3.5585019751817E+39

Nth Root

y√n
2√n 9018.3424197576
3√n 433.26254596507
4√n 94.964953639528
5√n 38.198885186355

Divisors of 81330500

1, 2, 4, 29, 58, 71, 79, 116, 125, 142, 158, 250, 284, 316, 500, 2059, 2291, 3625, 4118, 4582, 5609, 7250, 8236, 8875, 9164, 9875, 11218, 14500, 17750, 19750, 22436, 35500, 39500, 162661, 257375, 286375, 325322, 514750, 572750, 650644, 701125, 1029500, 1145500, 1402250, 2804500, 20332625, 40665250, 81330500

48 divisors

τ Total Divisors 48
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81330499
Sum of the proper positive divisors of n
A Arithmetic Mean 0.020833333333333
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 48
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81330500 can be divided by 48 positive divisors. The sum of these divisors (counting 81330500) is 1, the average is 0.020833333333333.

Base conversion 81330500

Base System Value
2 Binary 100110110010000000101000100
3 Ternary 12200001000110202
4 Quaternary 10312100011010
5 Quinary 131310034000
6 Senary 12023110032
8 Octal 466200504
10 Decimal 81330500
12 Duodecimal 232a2318
16 Hexadecimal 4d90144
20 Vigesimal 1586650
36 Base36 1cf70k

Cryptographic Hash Functions

md5 437dcc22d1b40a1878c50c50c0b9c16b
sha1 8dfe900d50dde7b58473cfcc1913a209d68129f9
sha256 3c4be7b1bcb18e1ccd324c326bd17f3be97f7b49f9f76ae3a655a714f4b4adcd
sha512 b836e7f9d1d1534aea4e783d12ece1b60f75d60cee996bc9f17d29613af06df822a638edfe6e3536971fe37d8aff388e72a2938d3261d36a21d9b48612225a7b
ripemd-160 4cda947cb73470af51a17b697c386f03165de4aa

81330500 as geometric shapes

Circle

Radius = n
Diameter 162661000
Circumference 511014602.62557
Area 2.0780536569419E+16

Sphere

Radius = n
Volume 2.2534552392789E+24
Surface area 8.3122146277678E+16
Circumference 511014602.62557

Square

Length = n
Perimeter 325322000
Area 6614650230250000
Diagonal 115018696.13459

Cube

Length = n
Surface area 39687901381500000
Volume 5.3797281055135E+23
Space diagonal 140868558.20498

Equilateral Triangle

Length = n
Perimeter 243991500
Area 2.8642275682725E+15
Altitude 70434279.10249

Triangular Pyramid

Length = n
Surface area 2.8642275682725E+15
Volume 6.3400703739141E+22
Height 38339565.378195