81723963 (number)

81723963 is an odd 8-digits composite number following 81723962 and preceding 81723964. In scientific notation, it is written as 8.1723963 × 10^7. The sum of its digits is 39. It has a total of 2 prime factors and 4 positive divisors. There are 54482640 positive integers (up to 81723963) that are relatively prime to 81723963.

Interesting facts

Basic properties

Name

Name eighty-one million seven hundred twenty-three thousand nine hundred sixty-three

Notation

Scientific notation 8.1723963 × 10^7
Engineering notation 8.1723963 × 10^6

Prime Factorization of 81723963

Prime Factorization 3 × 27241321

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 81723963
Product of the distinct prime numbers

The prime factorization of 81723963 is 3 × 27241321. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81723963)

Multiplication

n×y
n×2 163447926
n×3 245171889
n×4 326895852
n×5 408619815

Division

n÷y
n÷2 40861981.5
n÷3 27241321
n÷3 20430990.75
n÷5 16344792.6

Exponentiation

ny
n2 6678806128425369
n3 5.4581850492361E+23
n4 4.4606451301092E+31
n5 3.6454159756918E+39

Nth Root

y√n
2√n 9040.1306959579
3√n 433.9601055587
4√n 95.079601892088
5√n 38.235773801011

Divisors of 81723963

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81723962
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81723963 can be divided by 4 positive divisors. The sum of these divisors (counting 81723963) is 1, the average is 0.25.

Base conversion 81723963

Base System Value
2 Binary 100110111110000001000111011
3 Ternary 12200210000012110
4 Quaternary 10313300020323
5 Quinary 131410131323
6 Senary 12035343403
8 Octal 467601073
10 Decimal 81723963
12 Duodecimal 23451b63
16 Hexadecimal 4df023b
20 Vigesimal 15af9i3
36 Base36 1cnmm3

Cryptographic Hash Functions

md5 d8347a4974d7c4c804e08a737d9c1ad9
sha1 de1047a693f9e702883ea90992194498600f106b
sha256 b8490bcdaf7eb9b0404bcadfb58310a876982d0cef627ba536949da51853fbe9
sha512 60ba5ca2641021db8514791edceded38a861bf7bae91a64e4fb9064fd11bb5bf4ab56b316b14875f913ac49ce98571983f7aea1788b7491a99b06193f7fe1516
ripemd-160 4e218dc5ec9272bf73610628143a6beeeefcc642

81723963 as geometric shapes

Circle

Radius = n
Diameter 163447926
Circumference 513486803.56609
Area 2.0982088267812E+16

Sphere

Radius = n
Volume 2.2863192070152E+24
Surface area 8.3928353071247E+16
Circumference 513486803.56609

Square

Length = n
Perimeter 326895852
Area 6678806128425369
Diagonal 115575136.84548

Cube

Length = n
Surface area 40072836770552214
Volume 5.4581850492361E+23
Space diagonal 141550056.11188

Equilateral Triangle

Length = n
Perimeter 245171889
Area 2.8920078870838E+15
Altitude 70775028.05594

Triangular Pyramid

Length = n
Surface area 2.8920078870838E+15
Volume 6.4325327688098E+22
Height 38525045.615159