81736689 (number)

81736689 is an odd 8-digits composite number following 81736688 and preceding 81736690. In scientific notation, it is written as 8.1736689 × 10^7. The sum of its digits is 48. It has a total of 3 prime factors and 8 positive divisors. There are 51535440 positive integers (up to 81736689) that are relatively prime to 81736689.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 8.1736689 × 10^7
Engineering notation 8.1736689 × 10^6

Prime Factorization of 81736689

Prime Factorization 57 × 1447 × 991

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 81736689
Product of the distinct prime numbers

The prime factorization of 81736689 is 57 × 1447 × 991. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81736689)

Multiplication

n×y
n×2 163473378
n×3 245210067
n×4 326946756
n×5 408683445

Division

n÷y
n÷2 40868344.5
n÷3 27245563
n÷3 20434172.25
n÷5 16347337.8

Exponentiation

ny
n2 6680886328682721
n3 5.4607352809189E+23
n4 4.463424213678E+31
n5 3.6482551682847E+39

Nth Root

y√n
2√n 9040.8345300641
3√n 433.98262971387
4√n 95.083303108717
5√n 38.236964536589

Divisors of 81736689

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 -81736688
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 81736689 can be divided by 8 positive divisors. The sum of these divisors (counting 81736689) is 1, the average is 0.125.

Base conversion 81736689

Base System Value
2 Binary 100110111110011001111110001
3 Ternary 12200210122122210
4 Quaternary 10313303033301
5 Quinary 131411033224
6 Senary 12035522333
8 Octal 467631761
10 Decimal 81736689
12 Duodecimal 234593a9
16 Hexadecimal 4df33f1
20 Vigesimal 15ah1e9
36 Base36 1cnwfl

Cryptographic Hash Functions

md5 f9b3fa33a43bd4e09682e130511077ac
sha1 e226baa284e45306f36b363ff03337dfbf5df717
sha256 d141564e0a1e86df3eae1bf739b2badf4de5fc389171a0ad063bc5e4e087421f
sha512 b4530cdd3c6ba32e03de9cf9610878b91d8ad18286d8f533ca1e5724ca8677c7478cc2a16f7c9bba8cd466f9f95be7495c00937a250f8c2f2905a77a88f39aaa
ripemd-160 8082f97bcb90861d9974e1c6d5682239607733be

81736689 as geometric shapes

Circle

Radius = n
Diameter 163473378
Circumference 513566763.38231
Area 2.0988623409658E+16

Sphere

Radius = n
Volume 2.2873874455645E+24
Surface area 8.3954493638632E+16
Circumference 513566763.38231

Square

Length = n
Perimeter 326946756
Area 6680886328682721
Diagonal 115593134.12727

Cube

Length = n
Surface area 40085317972096326
Volume 5.4607352809189E+23
Space diagonal 141572098.19046

Equilateral Triangle

Length = n
Perimeter 245210067
Area 2.8929086402177E+15
Altitude 70786049.095228

Triangular Pyramid

Length = n
Surface area 2.8929086402177E+15
Volume 6.4355382456707E+22
Height 38531044.709091