81333393 (number)

81333393 is an odd 8-digits composite number following 81333392 and preceding 81333394. In scientific notation, it is written as 8.1333393 × 10^7. The sum of its digits is 33. It has a total of 2 prime factors and 4 positive divisors. There are 54222260 positive integers (up to 81333393) that are relatively prime to 81333393.

Interesting facts

Basic properties

Name

Name eighty-one million three hundred thirty-three thousand three hundred ninety-three

Notation

Scientific notation 8.1333393 × 10^7
Engineering notation 8.1333393 × 10^6

Prime Factorization of 81333393

Prime Factorization 3 × 27111131

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 81333393
Product of the distinct prime numbers

The prime factorization of 81333393 is 3 × 27111131. Since it has a total of 2 prime factors.

Most popular turbo-numbers

5, 1, 16, 1, 591, 705, 6903, 4926, 2421, 40013, 943303, 258154, 8500580, 4864569, 3269351, 71767344, 463866205, 791334433, 8458215741, 7935134654

Basic calculations (n = 81333393)

Multiplication

n×y
n×2 162666786
n×3 244000179
n×4 325333572
n×5 406666965

Division

n÷y
n÷2 40666696.5
n÷3 27111131
n÷3 20333348.25
n÷5 16266678.6

Exponentiation

ny
n2 6615120816892449
n3 5.3803022114279E+23
n4 4.3759823422084E+31
n5 3.5591349159989E+39

Nth Root

y√n
2√n 9018.5028136604
3√n 433.26768308535
4√n 94.965798125748
5√n 38.199156936319

Divisors of 81333393

1, 3, 27111131, 81333393

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81333392
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81333393 can be divided by 4 positive divisors. The sum of these divisors (counting 81333393) is 1, the average is 0.25.

Base conversion 81333393

Base System Value
2 Binary 100110110010000110010010001
3 Ternary 12200001011102220
4 Quaternary 10312100302101
5 Quinary 131310132033
6 Senary 12023131253
8 Octal 466206221
10 Decimal 81333393
12 Duodecimal 232a3b29
16 Hexadecimal 4d90c91
20 Vigesimal 1586d9d
36 Base36 1cf98x

Cryptographic Hash Functions

md5 b794a96f5fd1de862c4ce8294d85459b
sha1 9d49253d6837511735e4e6d470c743021b37eb46
sha256 f59a7034259d7e0028d2091bec4fe426b17c7c079330a53c5e784f5ad33ad1e4
sha512 3f367e73547c246ff3a6de05aeb520d74d5ed39f9b90e3e535cc9f61ca8b44ca9751cceee4bdcebe518b708f2373b13077bca7925e0113286095d2b08aa60bfd
ripemd-160 44a17f6b9716a4e999c9f0d82bcfebf963a8d50e

81333393 as geometric shapes

Circle

Radius = n
Diameter 162666786
Circumference 511032779.88066
Area 2.0782014960958E+16

Sphere

Radius = n
Volume 2.253695720202E+24
Surface area 8.3128059843833E+16
Circumference 511032779.88066

Square

Length = n
Perimeter 325333572
Area 6615120816892449
Diagonal 115022787.45442

Cube

Length = n
Surface area 39690724901354694
Volume 5.3803022114279E+23
Space diagonal 140873569.02797

Equilateral Triangle

Length = n
Perimeter 244000179
Area 2.8644313382661E+15
Altitude 70436784.513983

Triangular Pyramid

Length = n
Surface area 2.8644313382661E+15
Volume 6.3407469642228E+22
Height 38340929.151474