81330237 (number)

81330237 is an odd 8-digits composite number following 81330236 and preceding 81330238. In scientific notation, it is written as 8.1330237 × 10^7. The sum of its digits is 27. It has a total of 5 prime factors and 10 positive divisors. There are 54220104 positive integers (up to 81330237) that are relatively prime to 81330237.

Interesting facts

Basic properties

Name

Name eighty-one million three hundred thirty thousand two hundred thirty-seven

Notation

Scientific notation 8.1330237 × 10^7
Engineering notation 8.1330237 × 10^6

Prime Factorization of 81330237

Prime Factorization 3 × 3 × 3 × 3 × 1004077

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 3012231
Product of the distinct prime numbers

The prime factorization of 81330237 is 3 × 3 × 3 × 3 × 1004077. Since it has a total of 5 prime factors.

Most popular turbo-numbers

4, 8, 54, 77, 915, 929, 5180, 874, 98763, 48796, 344601, 679283, 4037316, 4092035, 30279227, 66256871, 364888892, 870869573, 5871904692, 8740584730

Basic calculations (n = 81330237)

Multiplication

n×y
n×2 162660474
n×3 243990711
n×4 325320948
n×5 406651185

Division

n÷y
n÷2 40665118.5
n÷3 27110079
n÷3 20332559.25
n÷5 16266047.4

Exponentiation

ny
n2 6614607450476169
n3 5.3796759160919E+23
n4 4.3753031723895E+31
n5 3.5584444395729E+39

Nth Root

y√n
2√n 9018.3278383523
3√n 433.26207894809
4√n 94.964876866936
5√n 38.198860481429

Divisors of 81330237

1, 3, 9, 27, 81, 1004077, 3012231, 9036693, 27110079, 81330237

10 divisors

τ Total Divisors 10
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81330236
Sum of the proper positive divisors of n
A Arithmetic Mean 0.1
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 10
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81330237 can be divided by 10 positive divisors. The sum of these divisors (counting 81330237) is 1, the average is 0.1.

Base conversion 81330237

Base System Value
2 Binary 100110110010000000000111101
3 Ternary 12200001000010000
4 Quaternary 10312100000331
5 Quinary 131310031422
6 Senary 12023104513
8 Octal 466200075
10 Decimal 81330237
12 Duodecimal 232a2139
16 Hexadecimal 4d9003d
20 Vigesimal 15865bh
36 Base36 1cf6t9

Cryptographic Hash Functions

md5 95a80d568e3872e6b0051179821ba9d5
sha1 c3a9ba647cc52f3c8ff98cc76da8948f615198b3
sha256 0f4d6562f146723b286b3325f8e48707a627fad4ab04b69ea7fc0aea26781c0b
sha512 1549955c9b40e4339e21811464d96f8b741384b3ee67873232756852b3cdac5ba1cbeeb4b0f21082e292d1cfb6e47a8b1ee36ffc84d219fd616d0132dc040775
ripemd-160 39d7ec78c4912fdfd7d784533af44a048ca55e83

81330237 as geometric shapes

Circle

Radius = n
Diameter 162660474
Circumference 511012950.14783
Area 2.0780402172796E+16

Sphere

Radius = n
Volume 2.2534333782251E+24
Surface area 8.3121608691185E+16
Circumference 511012950.14783

Square

Length = n
Perimeter 325320948
Area 6614607450476169
Diagonal 115018324.19642

Cube

Length = n
Surface area 39687644702857014
Volume 5.3796759160919E+23
Space diagonal 140868102.67562

Equilateral Triangle

Length = n
Perimeter 243990711
Area 2.8642090440871E+15
Altitude 70434051.337809

Triangular Pyramid

Length = n
Surface area 2.8642090440871E+15
Volume 6.3400088680909E+22
Height 38339441.398806