97721 (number)
97,721 (ninetyseven thousand seven hundred twentyone) is an odd fivedigits composite number following 97720 and preceding 97722. In scientific notation, it is written as 9.7721 × 10^{4}. The sum of its digits is 26. It has a total of 2 prime factors and 4 positive divisors. There are 90,192 positive integers (up to 97721) that are relatively prime to 97721.
Basic properties
 Is Prime? No
 Number parity Odd
 Number length 5
 Sum of Digits 26
 Digital Root 8
Name
Short name  97 thousand 721 

Full name  ninetyseven thousand seven hundred twentyone 
Notation
Scientific notation  9.7721 × 10^{4} 

Engineering notation  97.721 × 10^{3} 
Prime Factorization of 97721
Prime Factorization 13 × 7517
Composite numberω(n)  Distinct Factors  2  Total number of distinct prime factors 

Ω(n)  Total Factors  2  Total number of prime factors 
rad(n)  Radical  97721  Product of the distinct prime numbers 
λ(n)  Liouville Lambda  1  Returns the parity of Ω(n), such that λ(n) = (1)^{Ω(n)} 
μ(n)  Mobius Mu  1  Returns:

Λ(n)  Mangoldt function  0  Returns log(p) if n is a power p^{k} of any prime p (for any k >= 1), else returns 0 
The prime factorization of 97,721 is 13 × 7517. Since it has a total of 2 prime factors, 97,721 is a composite number.
Divisors of 97721
4 divisors
τ(n)  Total Divisors  4  Total number of the positive divisors of n 

σ(n)  Sum of Divisors  105252  Sum of all the positive divisors of n 
s(n)  Aliquot Sum  7531  Sum of the proper positive divisors of n 
A(n)  Arithmetic Mean  26313  Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n)) 
G(n)  Geometric Mean  312.60358283295  Returns the nth root of the product of n divisors 
H(n)  Harmonic Mean  3.7137916619162  Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors 
The number 97,721 can be divided by 4 positive divisors (out of which 0 are even, and 4 are odd). The sum of these divisors (counting 97,721) is 105,252, the average is 26,313.
Other Arithmetic Functions (n = 97721)
φ(n)  Euler Totient  90192  Total number of positive integers not greater than n that are coprime to n 

λ(n)  Carmichael Lambda  22548  Smallest positive number such that a^{λ(n)} ≡ 1 (mod n) for all a coprime to n 
π(n)  Prime Pi  ≈ 9384  Total number of primes less than or equal to n 
r_{2}(n)  Sum of 2 squares  16  The number of ways n can be represented as the sum of 2 squares 
There are 90,192 positive integers (less than 97,721) that are coprime with 97,721. And there are approximately 9,384 prime numbers less than or equal to 97,721.
Divisibility of 97721
m  2  3  4  5  6  7  8  9 

n mod m  1  2  1  1  5  1  1  8 
97,721 is not divisible by any number less than or equal to 9.
Classification of 97721
By Arithmetic functions
 Arithmetic
 Semiprime
 Deficient
Expressible via specific sums
 Polite
By Powers
 Square Free
Other numbers
 LucasCarmichael
Base conversion (97721)
Base  System  Value 

2  Binary  10111110110111001 
3  Ternary  11222001022 
4  Quaternary  113312321 
5  Quinary  11111341 
6  Senary  2032225 
8  Octal  276671 
10  Decimal  97721 
12  Duodecimal  48675 
16  Hexadecimal  17db9 
20  Vigesimal  c461 
36  Base36  23eh 
Basic calculations (n = 97721)
Multiplication
n×yn×2  195442 

n×3  293163 
n×4  390884 
n×5  488605 
Division
n÷yn÷2  48860.500 

n÷3  32573.666 
n÷4  24430.250 
n÷5  19544.200 
Exponentiation
n^{y}n^{2}  9549393841 

n^{3}  933176315536361 
n^{4}  91190922730528733281 
n^{5}  8911268160149998344952601 
Nth Root
^{y}√n^{2}√n  312.60358283295 

^{3}√n  46.060569235435 
^{4}√n  17.680599051869 
^{5}√n  9.9539987188351 
97721 as geometric shapes
Circle
Radius = nDiameter  195442 

Circumference  613999.1514029 
Area  30000305537.121 
Sphere
Radius = nVolume  3.9088798098574E+15 

Surface area  120001222148.48 
Circumference  613999.1514029 
Square
Length = nPerimeter  390884 

Area  9549393841 
Diagonal  138198.36352866 
Cube
Length = nSurface area  57296363046 

Volume  933176315536361 
Space diagonal  169257.73696644 
Equilateral Triangle
Length = nPerimeter  293163 

Area  4135008828.5243 
Altitude  84628.868483219 
Triangular Pyramid
Length = nSurface area  16540035314.097 

Volume  1.0997588345974E+14 
Height  79788.862384838 
Cryptographic Hash Functions
md5  bc116692e94fd18c40474df3510a4ef1 

sha1  62d17ce55a97a664e1845592a4a8898477501ffe 
sha256  559c7e85e5dac129bec56ffee5210ab6dcb50e05658e5fabb65e397ec7e1263c 
sha512  2601bea11b5bf9a208db2cdf6a0304690288d4b1650741d2f02e95adecd563ad15dfcf563dda02958b8730480d7cb3928eba2a376a8df2e9cf7326370154f789 
ripemd160  49f49370e630548102662906289199e069bebedc 