81109746 (number)

81109746 is an even 8-digits composite number following 81109745 and preceding 81109747. In scientific notation, it is written as 8.1109746 × 10^7. The sum of its digits is 36. It has a total of 4 prime factors and 16 positive divisors. There are 25613496 positive integers (up to 81109746) that are relatively prime to 81109746.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 8.1109746 × 10^7
Engineering notation 8.1109746 × 10^6

Prime Factorization of 81109746

Prime Factorization 2 × 19 × 9 × 237163

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 81109746
Product of the distinct prime numbers

The prime factorization of 81109746 is 2 × 19 × 9 × 237163. Since it has a total of 4 prime factors.

Most popular turbo-numbers

10, 3, 51, 23, 280, 761, 1359, 873, 94630, 98742, 119846, 679434, 7880913, 3482800, 38021578, 59395842, 679550384, 466289045, 1906787240, 4689262593

Basic calculations (n = 81109746)

Multiplication

n×y
n×2 162219492
n×3 243329238
n×4 324438984
n×5 405548730

Division

n÷y
n÷2 40554873
n÷3 27036582
n÷3 20277436.5
n÷5 16221949.2

Exponentiation

ny
n2 6578790896184516
n3 5.3360405857664E+23
n4 4.328048965572E+31
n5 3.5104695227311E+39

Nth Root

y√n
2√n 9006.0949362085
3√n 432.87019169797
4√n 94.900447502678
5√n 38.178126118164

Divisors of 81109746

1, 2, 9, 18, 19, 38, 171, 342, 237163, 474326, 2134467, 4268934, 4506097, 9012194, 40554873, 81109746

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 -81109745
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 81109746 can be divided by 16 positive divisors. The sum of these divisors (counting 81109746) is 1, the average is 0.0625.

Base conversion 81109746

Base System Value
2 Binary 100110101011010001011110010
3 Ternary 12122121210122200
4 Quaternary 10311122023302
5 Quinary 131231002441
6 Senary 12014244030
8 Octal 465321362
10 Decimal 81109746
12 Duodecimal 231b6616
16 Hexadecimal 4d5a2f2
20 Vigesimal 156ie76
36 Base36 1cagoi

Cryptographic Hash Functions

md5 87e313c8cd793e2a4694a58396b5c021
sha1 ceca806d8bf6e6ff06fd221dece359304c3b247d
sha256 3222a947660e0ee97a2d80dd642a4e9721b286d547688c610df4610130f0d10b
sha512 e415f85d00a361515b31570d36b9e2552007fc75f46bf9b9b9e2be1bf999215e46d078a925c3e27fa168d35f182ea993577e31744a7c24f4bbb012a9bba20911
ripemd-160 120afc60e3520f92c3a6b16c2d2f056e87ba9e08

81109746 as geometric shapes

Circle

Radius = n
Diameter 162219492
Circumference 509627564.33627
Area 2.0667881148957E+16

Sphere

Radius = n
Volume 2.2351554538001E+24
Surface area 8.2671524595827E+16
Circumference 509627564.33627

Square

Length = n
Perimeter 324438984
Area 6578790896184516
Diagonal 114706502.83384

Cube

Length = n
Surface area 39472745377107096
Volume 5.3360405857664E+23
Space diagonal 140486201.06101

Equilateral Triangle

Length = n
Perimeter 243329238
Area 2.8487000211408E+15
Altitude 70243100.530503

Triangular Pyramid

Length = n
Surface area 2.8487000211408E+15
Volume 6.2885841381367E+22
Height 38235500.944612