81093904 (number)

81093904 is an even 8-digits composite number following 81093903 and preceding 81093905. In scientific notation, it is written as 8.1093904 × 10^7. The sum of its digits is 34. It has a total of 6 prime factors and 20 positive divisors. There are 40480160 positive integers (up to 81093904) that are relatively prime to 81093904.

Interesting facts

Basic properties

Name

Name eighty-one million ninety-three thousand nine hundred four

Notation

Scientific notation 8.1093904 × 10^7
Engineering notation 8.1093904 × 10^6

Prime Factorization of 81093904

Prime Factorization 2 × 2 × 2 × 2 × 659 × 7691

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 10136738
Product of the distinct prime numbers

The prime factorization of 81093904 is 2 × 2 × 2 × 2 × 659 × 7691. Since it has a total of 6 prime factors.

Most popular turbo-numbers

8, 4, 65, 33, 303, 54, 9607, 3977, 60142, 33288, 51193, 869112, 8393659, 2499293, 9993663, 15880740, 50339763, 201206465, 2147788073, 7241117062

Basic calculations (n = 81093904)

Multiplication

n×y
n×2 162187808
n×3 243281712
n×4 324375616
n×5 405469520

Division

n÷y
n÷2 40546952
n÷3 27031301.333333
n÷3 20273476
n÷5 16218780.8

Exponentiation

ny
n2 6576221265961216
n3 5.3329145602462E+23
n4 4.3246686138881E+31
n5 3.5070426140645E+39

Nth Root

y√n
2√n 9005.2153777686
3√n 432.84200776027
4√n 94.895813278398
5√n 38.176634644793

Divisors of 81093904

1, 2, 4, 8, 16, 659, 1318, 2636, 5272, 7691, 10544, 15382, 30764, 61528, 123056, 5068369, 10136738, 20273476, 40546952, 81093904

20 divisors

τ Total Divisors 20
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81093903
Sum of the proper positive divisors of n
A Arithmetic Mean 0.05
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 20
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81093904 can be divided by 20 positive divisors. The sum of these divisors (counting 81093904) is 1, the average is 0.05.

Base conversion 81093904

Base System Value
2 Binary 100110101010110010100010000
3 Ternary 12122120222220221
4 Quaternary 10311112110100
5 Quinary 131230001104
6 Senary 12014042424
8 Octal 465262420
10 Decimal 81093904
12 Duodecimal 231a9414
16 Hexadecimal 4d56510
20 Vigesimal 156gef4
36 Base36 1ca4gg

Cryptographic Hash Functions

md5 df815f398a819b95f6effeaf043a4eed
sha1 972cdc047ab1cb0cbbc886861056280e1a99f5d5
sha256 c62757bf74775bb4a977d3e97b3d854ec4743bf88c4e1f6c7e8cf6a569e7aeae
sha512 92b56c7d3a6dca329eac2e8399bd90cd7e559422f319de0907593c285eae4a7c9fa65b556ba08f5891e5b7ea75c490c0cde0e86f486bbd11b1014eb5cd85db3e
ripemd-160 af8261c52c32358e176dea1d787c3706544b2c3b

81093904 as geometric shapes

Circle

Radius = n
Diameter 162187808
Circumference 509528026.11463
Area 2.0659808417525E+16

Sphere

Radius = n
Volume 2.2338460272922E+24
Surface area 8.2639233670099E+16
Circumference 509528026.11463

Square

Length = n
Perimeter 324375616
Area 6576221265961216
Diagonal 114684098.86258

Cube

Length = n
Surface area 39457327595767296
Volume 5.3329145602462E+23
Space diagonal 140458761.91211

Equilateral Triangle

Length = n
Perimeter 243281712
Area 2.8475873386149E+15
Altitude 70229380.956057

Triangular Pyramid

Length = n
Surface area 2.8475873386149E+15
Volume 6.2849000817309E+22
Height 38228032.954194