81109416 (number)

81109416 is an even 8-digits composite number following 81109415 and preceding 81109417. In scientific notation, it is written as 8.1109416 × 10^7. The sum of its digits is 30. It has a total of 5 prime factors and 16 positive divisors. There are 27036464 positive integers (up to 81109416) that are relatively prime to 81109416.

Interesting facts

Basic properties

Name

Name eighty-one million one hundred nine thousand four hundred sixteen

Notation

Scientific notation 8.1109416 × 10^7
Engineering notation 8.1109416 × 10^6

Prime Factorization of 81109416

Prime Factorization 2 × 2 × 2 × 3 × 3379559

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 20277354
Product of the distinct prime numbers

The prime factorization of 81109416 is 2 × 2 × 2 × 3 × 3379559. Since it has a total of 5 prime factors.

Most popular turbo-numbers

8, 2, 61, 46, 816, 802, 2672, 6197, 8996, 18289, 668050, 103000, 713816, 6763438, 57211517, 81859691, 96206779, 778838325, 4930008924, 6968993440

Basic calculations (n = 81109416)

Multiplication

n×y
n×2 162218832
n×3 243328248
n×4 324437664
n×5 405547080

Division

n÷y
n÷2 40554708
n÷3 27036472
n÷3 20277354
n÷5 16221883.2

Exponentiation

ny
n2 6578737363861056
n3 5.3359754560015E+23
n4 4.3279785302662E+31
n5 3.5103981105043E+39

Nth Root

y√n
2√n 9006.0766152637
3√n 432.86960464416
4√n 94.900350975451
5√n 38.178095052102

Divisors of 81109416

1, 2, 3, 4, 6, 8, 12, 24, 3379559, 6759118, 10138677, 13518236, 20277354, 27036472, 40554708, 81109416

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81109415
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81109416 can be divided by 16 positive divisors. The sum of these divisors (counting 81109416) is 1, the average is 0.0625.

Base conversion 81109416

Base System Value
2 Binary 100110101011010000110101000
3 Ternary 12122121210012110
4 Quaternary 10311122012220
5 Quinary 131231000131
6 Senary 12014242320
8 Octal 465320650
10 Decimal 81109416
12 Duodecimal 231b63a0
16 Hexadecimal 4d5a1a8
20 Vigesimal 156idag
36 Base36 1cagfc

Cryptographic Hash Functions

md5 f11455c3da2d595ffb8757ae3cb753a3
sha1 8fdd8c3c7d70a5323aba5d1c394b588bcce102db
sha256 db22a32bef50eb183913ee3df85598b26ef9232abd2dd69b69514c5b61b8668e
sha512 5e57573f95d2d71b58240f3c0af420a81c9adf72ad9b1aac6c1cd3ebf25ab94e1df215a5fd07014b030668e236c6f0dc09b76b4b61881c9ed872783938fb0879
ripemd-160 8239a4c34a0b7de42beb5b4254177b22de031051

81109416 as geometric shapes

Circle

Radius = n
Diameter 162218832
Circumference 509625490.88512
Area 2.0667712972203E+16

Sphere

Radius = n
Volume 2.235128172308E+24
Surface area 8.267085188881E+16
Circumference 509625490.88512

Square

Length = n
Perimeter 324437664
Area 6578737363861056
Diagonal 114706036.14336

Cube

Length = n
Surface area 39472424183166336
Volume 5.3359754560015E+23
Space diagonal 140485629.48424

Equilateral Triangle

Length = n
Perimeter 243328248
Area 2.8486768409648E+15
Altitude 70242814.74212

Triangular Pyramid

Length = n
Surface area 2.8486768409648E+15
Volume 6.2885073819727E+22
Height 38235345.38112