81729462 (number)

81729462 is an even 8-digits composite number following 81729461 and preceding 81729463. In scientific notation, it is written as 8.1729462 × 10^7. The sum of its digits is 39. It has a total of 3 prime factors and 8 positive divisors. There are 27243152 positive integers (up to 81729462) that are relatively prime to 81729462.

Interesting facts

Basic properties

Name

Name eighty-one million seven hundred twenty-nine thousand four hundred sixty-two

Notation

Scientific notation 8.1729462 × 10^7
Engineering notation 8.1729462 × 10^6

Prime Factorization of 81729462

Prime Factorization 2 × 3 × 13621577

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 81729462
Product of the distinct prime numbers

The prime factorization of 81729462 is 2 × 3 × 13621577. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81729462)

Multiplication

n×y
n×2 163458924
n×3 245188386
n×4 326917848
n×5 408647310

Division

n÷y
n÷2 40864731
n÷3 27243154
n÷3 20432365.5
n÷5 16345892.4

Exponentiation

ny
n2 6679704958809444
n3 5.4592869260223E+23
n4 4.4618458336743E+31
n5 3.6466425951315E+39

Nth Root

y√n
2√n 9040.4348346747
3√n 433.96983870188
4√n 95.081201268572
5√n 38.236288344979

Divisors of 81729462

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81729461
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81729462 can be divided by 8 positive divisors. The sum of these divisors (counting 81729462) is 1, the average is 0.125.

Base conversion 81729462

Base System Value
2 Binary 100110111110001011110110110
3 Ternary 12200210021202010
4 Quaternary 10313301132312
5 Quinary 131410320322
6 Senary 12035425050
8 Octal 467613666
10 Decimal 81729462
12 Duodecimal 23455186
16 Hexadecimal 4df17b6
20 Vigesimal 15ag3d2
36 Base36 1cnquu

Cryptographic Hash Functions

md5 824abf1c798328825d0e13d43f50faeb
sha1 86edff4887562ac731c65474217dba6e3053de51
sha256 c3fbef01acd4f4ceca795e0d4fc08c0ee57f1dfcc7c72902bc06caafaf904d98
sha512 180103696e684801e616470d5d37d010b34c74abd738edc7a8e1127acde2ecbfcc06c4f90bd2c4967ee0066a6991253aa1bf45517f6ae854f3aa18d9527f4ead
ripemd-160 c15a456547e55fb2ecf303d921a752a4554041f5

81729462 as geometric shapes

Circle

Radius = n
Diameter 163458924
Circumference 513521354.80209
Area 2.0984912026743E+16

Sphere

Radius = n
Volume 2.2867807600841E+24
Surface area 8.3939648106972E+16
Circumference 513521354.80209

Square

Length = n
Perimeter 326917848
Area 6679704958809444
Diagonal 115582913.60586

Cube

Length = n
Surface area 40078229752856664
Volume 5.4592869260223E+23
Space diagonal 141559580.65927

Equilateral Triangle

Length = n
Perimeter 245188386
Area 2.8923970920569E+15
Altitude 70779790.329635

Triangular Pyramid

Length = n
Surface area 2.8923970920569E+15
Volume 6.4338313430557E+22
Height 38527637.868619