81130275 (number)

81130275 is an odd 8-digits composite number following 81130274 and preceding 81130276. In scientific notation, it is written as 8.1130275 × 10^7. The sum of its digits is 27. It has a total of 4 prime factors and 12 positive divisors. There are 43269120 positive integers (up to 81130275) that are relatively prime to 81130275.

Interesting facts

Basic properties

Name

Name eighty-one million one hundred thirty thousand two hundred seventy-five

Notation

Scientific notation 8.1130275 × 10^7
Engineering notation 8.1130275 × 10^6

Prime Factorization of 81130275

Prime Factorization 3 × 3 × 75 × 120193

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 27043425
Product of the distinct prime numbers

The prime factorization of 81130275 is 3 × 3 × 75 × 120193. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81130275)

Multiplication

n×y
n×2 162260550
n×3 243390825
n×4 324521100
n×5 405651375

Division

n÷y
n÷2 40565137.5
n÷3 27043425
n÷3 20282568.75
n÷5 16226055

Exponentiation

ny
n2 6582121521575625
n3 5.3400932912885E+23
n4 4.3324323724789E+31
n5 3.5149142979812E+39

Nth Root

y√n
2√n 9007.2345922597
3√n 432.90670865181
4√n 94.9064517947
5√n 38.180058510888

Divisors of 81130275

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81130274
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81130275 can be divided by 12 positive divisors. The sum of these divisors (counting 81130275) is 1, the average is 0.083333333333333.

Base conversion 81130275

Base System Value
2 Binary 100110101011111001100100011
3 Ternary 12122122211211000
4 Quaternary 10311133030203
5 Quinary 131232132100
6 Senary 12014523043
8 Octal 465371443
10 Decimal 81130275
12 Duodecimal 23206483
16 Hexadecimal 4d5f323
20 Vigesimal 15715df
36 Base36 1cawir

Cryptographic Hash Functions

md5 6a9cf86ae4ca0bf8b71996c7068381fc
sha1 34e7afdc177e8626aad5e43782623d72a0da75cc
sha256 f149faaf88c536fc96bfb600e9f0249e0e98a750858848c9774ac5fc8768ca08
sha512 696a07499067db499a279a7333e018e5318caa65d778c56a7d0044b91ccfde8b8f69b2593c059878fb21f653cfe0fdc526b9d056af1c77e9280e7eb13c424ec6
ripemd-160 3322e2544e4e1d91bd7e270867945faea8532204

81130275 as geometric shapes

Circle

Radius = n
Diameter 162260550
Circumference 509756551.84744
Area 2.0678344617217E+16

Sphere

Radius = n
Volume 2.2368530471195E+24
Surface area 8.2713378468869E+16
Circumference 509756551.84744

Square

Length = n
Perimeter 324521100
Area 6582121521575625
Diagonal 114735535.22406

Cube

Length = n
Surface area 39492729129453750
Volume 5.3400932912885E+23
Space diagonal 140521758.33204

Equilateral Triangle

Length = n
Perimeter 243390825
Area 2.8501422242404E+15
Altitude 70260879.166018

Triangular Pyramid

Length = n
Surface area 2.8501422242404E+15
Volume 6.2933602973981E+22
Height 38245178.40802