105721 (number)

105721 is an odd 6-digits composite number following 105720 and preceding 105722. In scientific notation, it is written as 1.05721 × 10^5. The sum of its digits is 16. It has a total of 2 prime factors and 4 positive divisors. There are 82320 positive integers (up to 105721) that are relatively prime to 105721.

Interesting facts

Basic properties

Name

Name one hundred five thousand seven hundred twenty-one

Notation

Scientific notation 1.05721 × 10^5
Engineering notation 1.05721 × 10^3

Prime Factorization of 105721

Prime Factorization 77 × 1373

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 105721
Product of the distinct prime numbers

The prime factorization of 105721 is 77 × 1373. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 105721)

Multiplication

n×y
n×2 211442
n×3 317163
n×4 422884
n×5 528605

Division

n÷y
n÷2 52860.5
n÷3 35240.333333333
n÷3 26430.25
n÷5 21144.2

Exponentiation

ny
n2 11176929841
n3 1181636199720361
n4 1.2492376067064E+20
n5 1.320706490186E+25

Nth Root

y√n
2√n 325.14765876445
3√n 47.2846763545
4√n 18.031851229545
5√n 10.111888041768

Divisors of 105721

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -105720
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 105721 can be divided by 4 positive divisors. The sum of these divisors (counting 105721) is 1, the average is 0.25.

Base conversion 105721

Base System Value
2 Binary 11001110011111001
3 Ternary 12101000121
4 Quaternary 121303321
5 Quinary 11340341
6 Senary 2133241
8 Octal 316371
10 Decimal 105721
12 Duodecimal 51221
16 Hexadecimal 19cf9
20 Vigesimal d461
36 Base36 29kp

Cryptographic Hash Functions

md5 cdf52db1a274aea750e0db61f6808a51
sha1 1e8fcd3da78d1f15131d7a8c16c3dcad66968a1c
sha256 1519e58c21e298b4abf43bcbfdd615517763a672c97e5b13c34944862fc674a0
sha512 746598643fe826524016de4df1f1dbe8aec5f121d3259cc1312c1c037cd6481e5a3335ba2a9df93f977bec36ca10102257a5f9c7b9cfb35b6cfa1fd951928943
ripemd-160 1c225a700927fda7dc9d67f0d80e96c7801696e1

105721 as geometric shapes

Circle

Radius = n
Diameter 211442
Circumference 664264.63386033
Area 35113360678.174

Sphere

Radius = n
Volume 4.9496261390097E+15
Surface area 140453442712.7
Circumference 664264.63386033

Square

Length = n
Perimeter 422884
Area 11176929841
Diagonal 149512.07202765

Cube

Length = n
Surface area 67061579046
Volume 1181636199720361
Space diagonal 183114.14342699

Equilateral Triangle

Length = n
Perimeter 317163
Area 4839752589.3112
Altitude 91557.071713495

Triangular Pyramid

Length = n
Surface area 4839752589.3112
Volume 1.3925716161963E+14
Height 49837.357342549