81109726 (number)

81109726 is an even 8-digits composite number following 81109725 and preceding 81109727. In scientific notation, it is written as 8.1109726 × 10^7. The sum of its digits is 34. It has a total of 4 prime factors and 16 positive divisors. There are 39404800 positive integers (up to 81109726) that are relatively prime to 81109726.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 8.1109726 × 10^7
Engineering notation 8.1109726 × 10^6

Prime Factorization of 81109726

Prime Factorization 2 × 41 × 263 × 3761

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 81109726
Product of the distinct prime numbers

The prime factorization of 81109726 is 2 × 41 × 263 × 3761. Since it has a total of 4 prime factors.

Most popular turbo-numbers

5, 3, 1, 2, 551, 167, 9848, 8519, 66165, 3525, 260964, 286781, 4636247, 3664035, 59517982, 69620203, 83584454, 685580791, 7989739854, 6412034375

Basic calculations (n = 81109726)

Multiplication

n×y
n×2 162219452
n×3 243329178
n×4 324438904
n×5 405548630

Division

n÷y
n÷2 40554863
n÷3 27036575.333333
n÷3 20277431.5
n÷5 16221945.2

Exponentiation

ny
n2 6578787651795076
n3 5.3360366384928E+23
n4 4.3280446967411E+31
n5 3.5104651946843E+39

Nth Root

y√n
2√n 9006.0938258493
3√n 432.870156119
4√n 94.900441652551
5√n 38.178124235376

Divisors of 81109726

1, 2, 41, 82, 263, 526, 3761, 7522, 10783, 21566, 154201, 308402, 989143, 1978286, 40554863, 81109726

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 -81109725
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 81109726 can be divided by 16 positive divisors. The sum of these divisors (counting 81109726) is 1, the average is 0.0625.

Base conversion 81109726

Base System Value
2 Binary 100110101011010001011011110
3 Ternary 12122121210121221
4 Quaternary 10311122023132
5 Quinary 131231002401
6 Senary 12014243554
8 Octal 465321336
10 Decimal 81109726
12 Duodecimal 231b65ba
16 Hexadecimal 4d5a2de
20 Vigesimal 156ie66
36 Base36 1cagny

Cryptographic Hash Functions

md5 a1624202cf9e3095ff1c34d0e4f2ed4a
sha1 a153c88e81f7883581b2e11d62d230c873c8abcc
sha256 1f9f8e1258e16508f184664d27b29d6bf1b5bf43321cb55fb8335621b40d6ec1
sha512 4452725132e3e31feb1004fd1be5c73900a1483245f4a5cf4bb006987d1676eaa4a1206c0651b7bc9b5d2c6d6877ddd99656e962d65e8720db3ea25494b663c0
ripemd-160 30237b4128ceb53c0a9ba231e51eb668e929b395

81109726 as geometric shapes

Circle

Radius = n
Diameter 162219452
Circumference 509627438.67256
Area 2.0667870956407E+16

Sphere

Radius = n
Volume 2.23515380037E+24
Surface area 8.2671483825627E+16
Circumference 509627438.67256

Square

Length = n
Perimeter 324438904
Area 6578787651795076
Diagonal 114706474.54957

Cube

Length = n
Surface area 39472725910770456
Volume 5.3360366384928E+23
Space diagonal 140486166.41999

Equilateral Triangle

Length = n
Perimeter 243329178
Area 2.848698616279E+15
Altitude 70243083.209995

Triangular Pyramid

Length = n
Surface area 2.848698616279E+15
Volume 6.2885794862302E+22
Height 38235491.516522