81335900 (number)

81335900 is an even 8-digits composite number following 81335899 and preceding 81335901. In scientific notation, it is written as 8.1335900 × 10^7. The sum of its digits is 29. It has a total of 6 prime factors and 36 positive divisors. There are 32457600 positive integers (up to 81335900) that are relatively prime to 81335900.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 8.1335900 × 10^7
Engineering notation 8.1335900 × 10^6

Prime Factorization of 81335900

Prime Factorization 2 × 2 × 5 × 5 × 631 × 1289

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 8133590
Product of the distinct prime numbers

The prime factorization of 81335900 is 2 × 2 × 5 × 5 × 631 × 1289. Since it has a total of 6 prime factors.

Most popular turbo-numbers

2, 4, 92, 14, 723, 140, 96, 2616, 90780, 55483, 658574, 191632, 4759718, 7243399, 83645349, 651244, 907482936, 422562236, 1338410538, 7981054783

Basic calculations (n = 81335900)

Multiplication

n×y
n×2 162671800
n×3 244007700
n×4 325343600
n×5 406679500

Division

n÷y
n÷2 40667950
n÷3 27111966.666667
n÷3 20333975
n÷5 16267180

Exponentiation

ny
n2 6615528628810000
n3 5.3807997500003E+23
n4 4.3765219038605E+31
n5 3.5596834792021E+39

Nth Root

y√n
2√n 9018.6418046178
3√n 433.27213468422
4√n 94.966529917744
5√n 38.199392421653

Divisors of 81335900

1, 2, 4, 5, 10, 20, 25, 50, 100, 631, 1262, 1289, 2524, 2578, 3155, 5156, 6310, 6445, 12620, 12890, 15775, 25780, 31550, 32225, 63100, 64450, 128900, 813359, 1626718, 3253436, 4066795, 8133590, 16267180, 20333975, 40667950, 81335900

36 divisors

τ Total Divisors 36
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81335899
Sum of the proper positive divisors of n
A Arithmetic Mean 0.027777777777778
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 36
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81335900 can be divided by 36 positive divisors. The sum of these divisors (counting 81335900) is 1, the average is 0.027777777777778.

Base conversion 81335900

Base System Value
2 Binary 100110110010001011001011100
3 Ternary 12200001021212202
4 Quaternary 10312101121130
5 Quinary 131310222100
6 Senary 12023151032
8 Octal 466213134
10 Decimal 81335900
12 Duodecimal 232a5478
16 Hexadecimal 4d9165c
20 Vigesimal 1586jf0
36 Base36 1cfb6k

Cryptographic Hash Functions

md5 bca69b01cb5f2a09b4a41e920f573b31
sha1 70ec9101c44beeb2fe6d50942cd83ae2bebc3b07
sha256 72640244306bd5418cb7d5fca3a9413b85b22f920f8d39a6eaa16d0833c246aa
sha512 ce240c51235c468486ea7ad4d1787c6a20fe408f3d8f1db383f2e0415296d216f29d1a19b3a6736820fa81514468415f55c6dc805b4fd28b88fca307f6fcd5bc
ripemd-160 b17d59e96e64f3fce8ed7360711721a1db8cf2ed

81335900 as geometric shapes

Circle

Radius = n
Diameter 162671800
Circumference 511048531.82623
Area 2.0783296139882E+16

Sphere

Radius = n
Volume 2.2539041286718E+24
Surface area 8.313318455953E+16
Circumference 511048531.82623

Square

Length = n
Perimeter 325343600
Area 6615528628810000
Diagonal 115026332.88782

Cube

Length = n
Surface area 39693171772860000
Volume 5.3807997500003E+23
Space diagonal 140877911.27934

Equilateral Triangle

Length = n
Perimeter 244007700
Area 2.8646079260063E+15
Altitude 70438955.639671

Triangular Pyramid

Length = n
Surface area 2.8646079260063E+15
Volume 6.3413333190535E+22
Height 38342110.962607