81704889 (number)

81704889 is an odd 8-digits composite number following 81704888 and preceding 81704890. In scientific notation, it is written as 8.1704889 × 10^7. The sum of its digits is 45. It has a total of 4 prime factors and 16 positive divisors. There are 46688400 positive integers (up to 81704889) that are relatively prime to 81704889.

Interesting facts

Basic properties

Name

Name eighty-one million seven hundred four thousand eight hundred eighty-nine

Notation

Scientific notation 8.1704889 × 10^7
Engineering notation 8.1704889 × 10^6

Prime Factorization of 81704889

Prime Factorization 9 × 7 × 3 × 432301

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 81704889
Product of the distinct prime numbers

The prime factorization of 81704889 is 9 × 7 × 3 × 432301. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81704889)

Multiplication

n×y
n×2 163409778
n×3 245114667
n×4 326819556
n×5 408524445

Division

n÷y
n÷2 40852444.5
n÷3 27234963
n÷3 20426222.25
n÷5 16340977.8

Exponentiation

ny
n2 6675688886502321
n3 5.4543641947021E+23
n4 4.4564822109371E+31
n5 3.6411638437509E+39

Nth Root

y√n
2√n 9039.0756717709
3√n 433.92634149571
4√n 95.07405362017
5√n 38.233988823339

Divisors of 81704889

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 -81704888
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 81704889 can be divided by 16 positive divisors. The sum of these divisors (counting 81704889) is 1, the average is 0.0625.

Base conversion 81704889

Base System Value
2 Binary 100110111101011011110111001
3 Ternary 12200202001001000
4 Quaternary 10313223132321
5 Quinary 131404024024
6 Senary 12035115213
8 Octal 467533671
10 Decimal 81704889
12 Duodecimal 23442b09
16 Hexadecimal 4deb7b9
20 Vigesimal 15ad249
36 Base36 1cn7w9

Cryptographic Hash Functions

md5 ebff6ddfd4a9a9bc0ccd6ace024ee408
sha1 3c08fada85cd590779b87a9db1c88c14613f8c58
sha256 b2770128a81383d712b18b8a3e94286ec5bac49eb4f341610c8b15dff6592b68
sha512 52cc4bec754702c2b0725f373eeece7c0634fb06bb3df3a7021b65b722ab7938d51ce10bfd21a43e8a325cc10e730793572f24ba7a45ac6af1da56e394391adb
ripemd-160 e20c3c01493804eb8cd7cd7f4047781d2884b35a

81704889 as geometric shapes

Circle

Radius = n
Diameter 163409778
Circumference 513366958.08954
Area 2.0972295163487E+16

Sphere

Radius = n
Volume 2.2847187312106E+24
Surface area 8.3889180653947E+16
Circumference 513366958.08954

Square

Length = n
Perimeter 326819556
Area 6675688886502321
Diagonal 115548162.13599

Cube

Length = n
Surface area 40054133319013926
Volume 5.4543641947021E+23
Space diagonal 141517018.97478

Equilateral Triangle

Length = n
Perimeter 245114667
Area 2.8906580817362E+15
Altitude 70758509.487388

Triangular Pyramid

Length = n
Surface area 2.8906580817362E+15
Volume 6.4280298485582E+22
Height 38516054.045329