81309075 (number)

81309075 is an odd 8-digits composite number following 81309074 and preceding 81309076. In scientific notation, it is written as 8.1309075 × 10^7. The sum of its digits is 33. It has a total of 4 prime factors and 16 positive divisors. There are 41081760 positive integers (up to 81309075) that are relatively prime to 81309075.

Interesting facts

Basic properties

Name

Name eighty-one million three hundred nine thousand seventy-five

Notation

Scientific notation 8.1309075 × 10^7
Engineering notation 8.1309075 × 10^6

Prime Factorization of 81309075

Prime Factorization 15 × 5 × 19 × 57059

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 81309075
Product of the distinct prime numbers

The prime factorization of 81309075 is 15 × 5 × 19 × 57059. Since it has a total of 4 prime factors.

Most popular turbo-numbers

7, 9, 11, 67, 208, 839, 9979, 7905, 97284, 91012, 346663, 515365, 2243318, 8801224, 40048742, 90767933, 528877818, 230434711, 7455435674, 8240972599

Basic calculations (n = 81309075)

Multiplication

n×y
n×2 162618150
n×3 243927225
n×4 325236300
n×5 406545375

Division

n÷y
n÷2 40654537.5
n÷3 27103025
n÷3 20327268.75
n÷5 16261815

Exponentiation

ny
n2 6611165677355625
n3 5.3754776589753E+23
n4 4.3707511613445E+31
n5 3.553817339841E+39

Nth Root

y√n
2√n 9017.1544846476
3√n 433.22449765076
4√n 94.958698836113
5√n 38.196872417795

Divisors of 81309075

1, 5, 15, 19, 75, 95, 285, 1425, 57059, 285295, 855885, 1084121, 4279425, 5420605, 16261815, 81309075

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 -81309074
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 81309075 can be divided by 16 positive divisors. The sum of these divisors (counting 81309075) is 1, the average is 0.0625.

Base conversion 81309075

Base System Value
2 Binary 100110110001010110110010011
3 Ternary 12122222221002020
4 Quaternary 10312022312103
5 Quinary 131303342300
6 Senary 12022422523
8 Octal 466126623
10 Decimal 81309075
12 Duodecimal 23291a43
16 Hexadecimal 4d8ad93
20 Vigesimal 1583cdf
36 Base36 1ceqhf

Cryptographic Hash Functions

md5 df985159e575f6552249326f75a139e9
sha1 d0928e7d9651d4414fef599a07a17bb895d631af
sha256 bb46d8ebfb0a16a892b298615f7f416e8990bca2ff23441034c6db9a40932160
sha512 54c2add0cc400ece8453f0a928a00e524f4568387517b50d7c354c6d09d844639e1012c658b27c78f3594559719eb8bca8fe59113b44387c1f5dec90e03d61a8
ripemd-160 01ccc9fcfea2e05a2b6696c624ab883071d4b2c2

81309075 as geometric shapes

Circle

Radius = n
Diameter 162618150
Circumference 510879985.38036
Area 2.0769589523645E+16

Sphere

Radius = n
Volume 2.2516748163964E+24
Surface area 8.3078358094582E+16
Circumference 510879985.38036

Square

Length = n
Perimeter 325236300
Area 6611165677355625
Diagonal 114988396.60901

Cube

Length = n
Surface area 39666994064133750
Volume 5.3754776589753E+23
Space diagonal 140831449.01643

Equilateral Triangle

Length = n
Perimeter 243927225
Area 2.8627187126089E+15
Altitude 70415724.508214

Triangular Pyramid

Length = n
Surface area 2.8627187126089E+15
Volume 6.3350611746304E+22
Height 38329465.536337