81109744 (number)

81109744 is an even 8-digits composite number following 81109743 and preceding 81109745. In scientific notation, it is written as 8.1109744 × 10^7. The sum of its digits is 34. It has a total of 5 prime factors and 10 positive divisors. There are 40554864 positive integers (up to 81109744) that are relatively prime to 81109744.

Interesting facts

Basic properties

Name

Name eighty-one million one hundred nine thousand seven hundred forty-four

Notation

Scientific notation 8.1109744 × 10^7
Engineering notation 8.1109744 × 10^6

Prime Factorization of 81109744

Prime Factorization 2 × 2 × 2 × 2 × 5069359

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 10138718
Product of the distinct prime numbers

The prime factorization of 81109744 is 2 × 2 × 2 × 2 × 5069359. Since it has a total of 5 prime factors.

Most popular turbo-numbers

8, 6, 92, 18, 854, 781, 5216, 7953, 85222, 97977, 299580, 81715, 7290178, 1004447, 5279755, 13254414, 864093506, 379693557, 8015082665, 9089429819

Basic calculations (n = 81109744)

Multiplication

n×y
n×2 162219488
n×3 243329232
n×4 324438976
n×5 405548720

Division

n÷y
n÷2 40554872
n÷3 27036581.333333
n÷3 20277436
n÷5 16221948.8

Exponentiation

ny
n2 6578790571745536
n3 5.3360401910389E+23
n4 4.3280485386888E+31
n5 3.5104690899262E+39

Nth Root

y√n
2√n 9006.0948251726
3√n 432.87018814008
4√n 94.900446917665
5√n 38.178125929885

Divisors of 81109744

1, 2, 4, 8, 16, 5069359, 10138718, 20277436, 40554872, 81109744

10 divisors

τ Total Divisors 10
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81109743
Sum of the proper positive divisors of n
A Arithmetic Mean 0.1
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 10
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81109744 can be divided by 10 positive divisors. The sum of these divisors (counting 81109744) is 1, the average is 0.1.

Base conversion 81109744

Base System Value
2 Binary 100110101011010001011110000
3 Ternary 12122121210122121
4 Quaternary 10311122023300
5 Quinary 131231002434
6 Senary 12014244024
8 Octal 465321360
10 Decimal 81109744
12 Duodecimal 231b6614
16 Hexadecimal 4d5a2f0
20 Vigesimal 156ie74
36 Base36 1cagog

Cryptographic Hash Functions

md5 25563d3f93f6d018b7a2b32c1cdbfbae
sha1 08ce6a3c53728225b61d05de72ec363bd4b7e75d
sha256 ce809691fe43bcef1431ee3f1312851a3f4dde2e386c9989831f82a4fa4deeda
sha512 8f711d4deb9e99b88a1c5a202789025466f0a89dd93f7e8ed532a499b5304d47d1c2f41e6aeca5846ce5a3a07583332c6f23bffaa295148c01a20e79f1fc5c80
ripemd-160 08302c8f90a73ceba64f31434beece2bb0cd13fa

81109744 as geometric shapes

Circle

Radius = n
Diameter 162219488
Circumference 509627551.7699
Area 2.0667880129702E+16

Sphere

Radius = n
Volume 2.235155288457E+24
Surface area 8.2671520518806E+16
Circumference 509627551.7699

Square

Length = n
Perimeter 324438976
Area 6578790571745536
Diagonal 114706500.00541

Cube

Length = n
Surface area 39472743430473216
Volume 5.3360401910389E+23
Space diagonal 140486197.5969

Equilateral Triangle

Length = n
Perimeter 243329232
Area 2.8486998806546E+15
Altitude 70243098.798452

Triangular Pyramid

Length = n
Surface area 2.8486998806546E+15
Volume 6.288583672946E+22
Height 38235500.001803