81208133 (number)

81208133 is an odd 8-digits composite number following 81208132 and preceding 81208134. In scientific notation, it is written as 8.1208133 × 10^7. The sum of its digits is 26. It has a total of 3 prime factors and 6 positive divisors. There are 76430912 positive integers (up to 81208133) that are relatively prime to 81208133.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 8.1208133 × 10^7
Engineering notation 8.1208133 × 10^6

Prime Factorization of 81208133

Prime Factorization 17 × 17 × 280997

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 4776949
Product of the distinct prime numbers

The prime factorization of 81208133 is 17 × 17 × 280997. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81208133)

Multiplication

n×y
n×2 162416266
n×3 243624399
n×4 324832532
n×5 406040665

Division

n÷y
n÷2 40604066.5
n÷3 27069377.666667
n÷3 20302033.25
n÷5 16241626.6

Exponentiation

ny
n2 6594760865345689
n3 5.3554821745619E+23
n4 4.3490870871095E+31
n5 3.5318124259857E+39

Nth Root

y√n
2√n 9011.5555261009
3√n 433.04514638599
4√n 94.929213238607
5√n 38.187383723483

Divisors of 81208133

6 divisors

τ Total Divisors 6
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81208132
Sum of the proper positive divisors of n
A Arithmetic Mean 0.16666666666667
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 6
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81208133 can be divided by 6 positive divisors. The sum of these divisors (counting 81208133) is 1, the average is 0.16666666666667.

Base conversion 81208133

Base System Value
2 Binary 100110101110010001101000101
3 Ternary 12122210210121122
4 Quaternary 10311302031011
5 Quinary 131242130013
6 Senary 12020323325
8 Octal 465621505
10 Decimal 81208133
12 Duodecimal 23243545
16 Hexadecimal 4d72345
20 Vigesimal 157b06d
36 Base36 1ccklh

Cryptographic Hash Functions

md5 de0d965fec45373133eb2f4fd503169d
sha1 caa5ad684214e3ba29b29b1bf8999308e0df59c6
sha256 8e31499d8cb99ed395800680227047d490bbb8f36786de7cd77e2d454b24b60b
sha512 7b1f15eb0ca98a5899db7fa98e2bfb4780c90a0b6ffd18e337f2d0d9801d4d345a9b9e630f10985fcea020103172c26040873bb0064308ea46c287d8be4a7765
ripemd-160 ab2d8e4e80cf720d51c9ddfc48f9baca0aa99d4a

81208133 as geometric shapes

Circle

Radius = n
Diameter 162416266
Circumference 510245748.08909
Area 2.0718052286751E+16

Sphere

Radius = n
Volume 2.2432991274713E+24
Surface area 8.2872209147006E+16
Circumference 510245748.08909

Square

Length = n
Perimeter 324832532
Area 6594760865345689
Diagonal 114845643.0636

Cube

Length = n
Surface area 39568565192074134
Volume 5.3554821745619E+23
Space diagonal 140656612.34381

Equilateral Triangle

Length = n
Perimeter 243624399
Area 2.8556152206364E+15
Altitude 70328306.171905

Triangular Pyramid

Length = n
Surface area 2.8556152206364E+15
Volume 6.3114962702606E+22
Height 38281881.021199