81736889 (number)

81736889 is an odd 8-digits composite number following 81736888 and preceding 81736890. In scientific notation, it is written as 8.1736889 × 10^7. The sum of its digits is 50. It has a total of 4 prime factors and 16 positive divisors. There are 72912960 positive integers (up to 81736889) that are relatively prime to 81736889.

Interesting facts

Basic properties

Name

Name eighty-one million seven hundred thirty-six thousand eight hundred eighty-nine

Notation

Scientific notation 8.1736889 × 10^7
Engineering notation 8.1736889 × 10^6

Prime Factorization of 81736889

Prime Factorization 13 × 59 × 61 × 1747

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 81736889
Product of the distinct prime numbers

The prime factorization of 81736889 is 13 × 59 × 61 × 1747. Since it has a total of 4 prime factors.

Most popular turbo-numbers

5, 10, 74, 84, 604, 466, 5641, 6279, 63709, 5090, 410579, 638690, 7891613, 2398305, 87883974, 80255373, 897636412, 334160859, 4047612661, 1328703343

Basic calculations (n = 81736889)

Multiplication

n×y
n×2 163473778
n×3 245210667
n×4 326947556
n×5 408684445

Division

n÷y
n÷2 40868444.5
n÷3 27245629.666667
n÷3 20434222.25
n÷5 16347377.8

Exponentiation

ny
n2 6680919023398321
n3 5.460775366335E+23
n4 4.4634678997206E+31
n5 3.6482998027452E+39

Nth Root

y√n
2√n 9040.8455909832
3√n 433.98298368162
4√n 95.08336127306
5√n 38.236983248836

Divisors of 81736889

1, 13, 59, 61, 767, 793, 1747, 3599, 22711, 46787, 103073, 106567, 1339949, 1385371, 6287453, 81736889

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 -81736888
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 81736889 can be divided by 16 positive divisors. The sum of these divisors (counting 81736889) is 1, the average is 0.0625.

Base conversion 81736889

Base System Value
2 Binary 100110111110011010010111001
3 Ternary 12200210122221012
4 Quaternary 10313303102321
5 Quinary 131411040024
6 Senary 12035523305
8 Octal 467632271
10 Decimal 81736889
12 Duodecimal 23459535
16 Hexadecimal 4df34b9
20 Vigesimal 15ah249
36 Base36 1cnwl5

Cryptographic Hash Functions

md5 dcc50ffd013c40a25ec70fd49a55ce29
sha1 c469b3cac9a5fbf2a565a79eb6170a5c63f05986
sha256 503fc9c997d4eb5e41ac9002bde38f5ac8cedb310ca2286e696ec12ee5a9e3b5
sha512 701890fac47b543dc9282f6df864410097b48d396f1498710f72a04fddd12a00ffb8dc9314ba592409efa56018e48a2116781ae2c621bbc650de50b0059170f3
ripemd-160 858d63911b57013e476d5fe76c0645d4c97517d1

81736889 as geometric shapes

Circle

Radius = n
Diameter 163473778
Circumference 513568020.01937
Area 2.0988726123136E+16

Sphere

Radius = n
Volume 2.2874042365043E+24
Surface area 8.3954904492546E+16
Circumference 513568020.01937

Square

Length = n
Perimeter 326947556
Area 6680919023398321
Diagonal 115593416.96998

Cube

Length = n
Surface area 40085514140389926
Volume 5.460775366335E+23
Space diagonal 141572444.60062

Equilateral Triangle

Length = n
Perimeter 245210667
Area 2.8929227974448E+15
Altitude 70786222.300309

Triangular Pyramid

Length = n
Surface area 2.8929227974448E+15
Volume 6.4355854867865E+22
Height 38531138.989995