81506773 (number)

81506773 is an odd 8-digits composite number following 81506772 and preceding 81506774. In scientific notation, it is written as 8.1506773 × 10^7. The sum of its digits is 37. It has a total of 4 prime factors and 8 positive divisors. There are 79993980 positive integers (up to 81506773) that are relatively prime to 81506773.

Interesting facts

Basic properties

Name

Name eighty-one million five hundred six thousand seven hundred seventy-three

Notation

Scientific notation 8.1506773 × 10^7
Engineering notation 8.1506773 × 10^6

Prime Factorization of 81506773

Prime Factorization 67 × 67 × 67 × 271

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 18157
Product of the distinct prime numbers

The prime factorization of 81506773 is 67 × 67 × 67 × 271. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81506773)

Multiplication

n×y
n×2 163013546
n×3 244520319
n×4 326027092
n×5 407533865

Division

n÷y
n÷2 40753386.5
n÷3 27168924.333333
n÷3 20376693.25
n÷5 16301354.6

Exponentiation

ny
n2 6643354044873529
n3 5.4147835009414E+23
n4 4.4134152965537E+31
n5 3.5972323873093E+39

Nth Root

y√n
2√n 9028.1101566164
3√n 433.57533300634
4√n 95.016367835318
5√n 38.215429046634

Divisors of 81506773

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 -81506772
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 81506773 can be divided by 8 positive divisors. The sum of these divisors (counting 81506773) is 1, the average is 0.125.

Base conversion 81506773

Base System Value
2 Binary 100110110111011000111010101
3 Ternary 12200100222021101
4 Quaternary 10312323013111
5 Quinary 131331204043
6 Senary 12030550101
8 Octal 466730725
10 Decimal 81506773
12 Duodecimal 23368331
16 Hexadecimal 4dbb1d5
20 Vigesimal 15986id
36 Base36 1ciz11

Cryptographic Hash Functions

md5 cc454a1cb1cf019117e57315857a9894
sha1 bf5e36ca0aab18ea3e587942d61a3ebd877b337b
sha256 d5e6ad0e54655e6417d1f97913428d823e7d1c40820cfeea8594de2566ea02d1
sha512 28d0524b186a26e860554faa8e9dad0ca32f3d0ced41549dc75b6da07865f74f10c7885e7d27a4d97bebe4baeb998f1a5da2959ef645bda00e086465d2a6461b
ripemd-160 26315fbf81b223f029a3d7ccbdf0ca4cfebcfce9

81506773 as geometric shapes

Circle

Radius = n
Diameter 163013546
Circumference 512122158.54922
Area 2.0870712262571E+16

Sphere

Radius = n
Volume 2.2681392089782E+24
Surface area 8.3482849050283E+16
Circumference 512122158.54922

Square

Length = n
Perimeter 326027092
Area 6643354044873529
Diagonal 115267983.80187

Cube

Length = n
Surface area 39860124269241174
Volume 5.4147835009414E+23
Space diagonal 141173871.99698

Equilateral Triangle

Length = n
Perimeter 244520319
Area 2.8766566845973E+15
Altitude 70586935.998492

Triangular Pyramid

Length = n
Surface area 2.8766566845973E+15
Volume 6.3813835536211E+22
Height 38422661.267288