81108312 (number)

81108312 is an even 8-digits composite number following 81108311 and preceding 81108313. In scientific notation, it is written as 8.1108312 × 10^7. The sum of its digits is 24. It has a total of 5 prime factors and 16 positive divisors. There are 27036096 positive integers (up to 81108312) that are relatively prime to 81108312.

Interesting facts

Basic properties

Name

Name eighty-one million one hundred eight thousand three hundred twelve

Notation

Scientific notation 8.1108312 × 10^7
Engineering notation 8.1108312 × 10^6

Prime Factorization of 81108312

Prime Factorization 2 × 2 × 2 × 3 × 3379513

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 20277078
Product of the distinct prime numbers

The prime factorization of 81108312 is 2 × 2 × 2 × 3 × 3379513. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81108312)

Multiplication

n×y
n×2 162216624
n×3 243324936
n×4 324433248
n×5 405541560

Division

n÷y
n÷2 40554156
n÷3 27036104
n÷3 20277078
n÷5 16221662.4

Exponentiation

ny
n2 6578558275489344
n3 5.3357575711857E+23
n4 4.3277428984009E+31
n5 3.5101592125929E+39

Nth Root

y√n
2√n 9006.0153231049
3√n 432.86764067074
4√n 94.900028045859
5√n 38.177991121268

Divisors of 81108312

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 -81108311
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 81108312 can be divided by 16 positive divisors. The sum of these divisors (counting 81108312) is 1, the average is 0.0625.

Base conversion 81108312

Base System Value
2 Binary 100110101011001110101011000
3 Ternary 12122121201200120
4 Quaternary 10311121311120
5 Quinary 131230431222
6 Senary 12014233240
8 Octal 465316530
10 Decimal 81108312
12 Duodecimal 231b5820
16 Hexadecimal 4d59d58
20 Vigesimal 156iafc
36 Base36 1cafko

Cryptographic Hash Functions

md5 66e1988feae2c6f53593cbd6fa5f73da
sha1 a424f59374bb97de15b7933d98d77108491a6490
sha256 3d68d489d3c094398e048ba62ad057df635fe26b9a1049f96772e51073e3a5ac
sha512 8210953aca5274164f055547f2943b617b3ea9a902fba9b2e8f075b9ba3b2df32440a77c27714ec8e02b4bdf3604266523e9fcd443a1fb6f3265d6fe67f133e1
ripemd-160 5705a457191e05df7dfab8a6f5484948ebac0775

81108312 as geometric shapes

Circle

Radius = n
Diameter 162216624
Circumference 509618554.24854
Area 2.066715034949E+16

Sphere

Radius = n
Volume 2.2350369049298E+24
Surface area 8.2668601397959E+16
Circumference 509618554.24854

Square

Length = n
Perimeter 324433248
Area 6578558275489344
Diagonal 114704474.85159

Cube

Length = n
Surface area 39471349652936064
Volume 5.3357575711857E+23
Space diagonal 140483717.30015

Equilateral Triangle

Length = n
Perimeter 243324936
Area 2.8485992934251E+15
Altitude 70241858.650074

Triangular Pyramid

Length = n
Surface area 2.8485992934251E+15
Volume 6.2882506022548E+22
Height 38234824.950529