81724922 (number)

81724922 is an even 8-digits composite number following 81724921 and preceding 81724923. In scientific notation, it is written as 8.1724922 × 10^7. The sum of its digits is 35. It has a total of 3 prime factors and 8 positive divisors. There are 40656924 positive integers (up to 81724922) that are relatively prime to 81724922.

Interesting facts

Basic properties

Name

Name eighty-one million seven hundred twenty-four thousand nine hundred twenty-two

Notation

Scientific notation 8.1724922 × 10^7
Engineering notation 8.1724922 × 10^6

Prime Factorization of 81724922

Prime Factorization 2 × 199 × 205339

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 81724922
Product of the distinct prime numbers

The prime factorization of 81724922 is 2 × 199 × 205339. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81724922)

Multiplication

n×y
n×2 163449844
n×3 245174766
n×4 326899688
n×5 408624610

Division

n÷y
n÷2 40862461
n÷3 27241640.666667
n÷3 20431230.5
n÷5 16344984.4

Exponentiation

ny
n2 6678962875906084
n3 5.4583772007432E+23
n4 4.4608545097732E+31
n5 3.6456298686456E+39

Nth Root

y√n
2√n 9040.1837370708
3√n 433.96180300499
4√n 95.079880821711
5√n 38.235863537078

Divisors of 81724922

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 -81724921
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 81724922 can be divided by 8 positive divisors. The sum of these divisors (counting 81724922) is 1, the average is 0.125.

Base conversion 81724922

Base System Value
2 Binary 100110111110000010111111010
3 Ternary 12200210001111222
4 Quaternary 10313300113322
5 Quinary 131410144142
6 Senary 12035352042
8 Octal 467602772
10 Decimal 81724922
12 Duodecimal 23452622
16 Hexadecimal 4df05fa
20 Vigesimal 15afc62
36 Base36 1cnncq

Cryptographic Hash Functions

md5 bd4825da29d6bf0ae037b4c4c73667e4
sha1 5e6e1e9634451947a62b411d31b3da14efe7e832
sha256 b3cc2996f2b1d34a5caa317cec94ce7b0458636750fb326d04bfe512a4dcd517
sha512 c88db28ada8c830f87153f048f70ac29a5c78ab558994fa4130cf5faed7d7c129ba1ccba9c8ce0daf2f6f257cdfa38429d20f3e69029d55359e493d8ebdc4417
ripemd-160 afffd7b37142016b0ff06f749cf2ab69d8660725

81724922 as geometric shapes

Circle

Radius = n
Diameter 163449844
Circumference 513492829.1408
Area 2.0982580704546E+16

Sphere

Radius = n
Volume 2.2863996952502E+24
Surface area 8.3930322818182E+16
Circumference 513492829.1408

Square

Length = n
Perimeter 326899688
Area 6678962875906084
Diagonal 115576493.07628

Cube

Length = n
Surface area 40073777255436504
Volume 5.4583772007432E+23
Space diagonal 141551717.1486

Equilateral Triangle

Length = n
Perimeter 245174766
Area 2.8920757607339E+15
Altitude 70775858.574302

Triangular Pyramid

Length = n
Surface area 2.8920757607339E+15
Volume 6.4327592215326E+22
Height 38525497.692094