81016844 (number)

81016844 is an even 8-digits composite number following 81016843 and preceding 81016845. In scientific notation, it is written as 8.1016844 × 10^7. The sum of its digits is 32. It has a total of 4 prime factors and 12 positive divisors. There are 40369584 positive integers (up to 81016844) that are relatively prime to 81016844.

Interesting facts

Basic properties

Name

Name eighty-one million sixteen thousand eight hundred forty-four

Notation

Scientific notation 8.1016844 × 10^7
Engineering notation 8.1016844 × 10^6

Prime Factorization of 81016844

Prime Factorization 2 × 2 × 293 × 69127

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 40508422
Product of the distinct prime numbers

The prime factorization of 81016844 is 2 × 2 × 293 × 69127. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81016844)

Multiplication

n×y
n×2 162033688
n×3 243050532
n×4 324067376
n×5 405084220

Division

n÷y
n÷2 40508422
n÷3 27005614.666667
n÷3 20254211
n÷5 16203368.8

Exponentiation

ny
n2 6563729011720336
n3 5.3177260940082E+23
n4 4.3082538539299E+31
n5 3.4904113039624E+39

Nth Root

y√n
2√n 9000.9357291339
3√n 432.70486068238
4√n 94.873261402431
5√n 38.169376367218

Divisors of 81016844

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81016843
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81016844 can be divided by 12 positive divisors. The sum of these divisors (counting 81016844) is 1, the average is 0.083333333333333.

Base conversion 81016844

Base System Value
2 Binary 100110101000011100000001100
3 Ternary 12122110002012212
4 Quaternary 10311003200030
5 Quinary 131220014334
6 Senary 12012245552
8 Octal 465034014
10 Decimal 81016844
12 Duodecimal 231708b8
16 Hexadecimal 4d4380c
20 Vigesimal 1567224
36 Base36 1c8gzw

Cryptographic Hash Functions

md5 018052ff097d59fe16e55e1fc096bd3a
sha1 a0660b2dc69e751f6b676177dd3051b7969c0496
sha256 9faccb2520c3c9f49ed019c88b98ae9a43972b57b85b7c085fecaa9063695b14
sha512 94daa3943f158034d7c84ed5267b82199208560b12a6dc6d334f71b9e48b53b25d69ceabd18e2123c3829a2e670da1bc61f958b7cbe257609ebb2c9c635b7bbc
ripemd-160 a1d903ec7231098548ede4101a3a55acdcf58c9c

81016844 as geometric shapes

Circle

Radius = n
Diameter 162033688
Circumference 509043843.85486
Area 2.0620562843375E+16

Sphere

Radius = n
Volume 2.2274838974319E+24
Surface area 8.2482251373499E+16
Circumference 509043843.85486

Square

Length = n
Perimeter 324067376
Area 6563729011720336
Diagonal 114575119.56547

Cube

Length = n
Surface area 39382374070322016
Volume 5.3177260940082E+23
Space diagonal 140325290.07688

Equilateral Triangle

Length = n
Perimeter 243050532
Area 2.8421780338534E+15
Altitude 70162645.038441

Triangular Pyramid

Length = n
Surface area 2.8421780338534E+15
Volume 6.2670003026098E+22
Height 38191706.521822