72181784 (number)

72181784 is an even 8-digits composite number following 72181783 and preceding 72181785. In scientific notation, it is written as 7.2181784 × 10^7. The sum of its digits is 38. It has a total of 4 prime factors and 8 positive divisors. There are 36090888 positive integers (up to 72181784) that are relatively prime to 72181784.

Interesting facts

Basic properties

Name

Name seventy-two million one hundred eighty-one thousand seven hundred eighty-four

Notation

Scientific notation 7.2181784 × 10^7
Engineering notation 7.2181784 × 10^6

Prime Factorization of 72181784

Prime Factorization 2 × 2 × 2 × 9022723

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 18045446
Product of the distinct prime numbers

The prime factorization of 72181784 is 2 × 2 × 2 × 9022723. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 72181784)

Multiplication

n×y
n×2 144363568
n×3 216545352
n×4 288727136
n×5 360908920

Division

n÷y
n÷2 36090892
n÷3 24060594.666667
n÷3 18045446
n÷5 14436356.8

Exponentiation

ny
n2 5210209941422656
n3 3.7608224858642E+23
n4 2.7146287633699E+31
n5 1.9594674703776E+39

Nth Root

y√n
2√n 8495.986346505
3√n 416.36658699492
4√n 92.173674910492
5√n 37.297998085233

Divisors of 72181784

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 -72181783
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 72181784 can be divided by 8 positive divisors. The sum of these divisors (counting 72181784) is 1, the average is 0.125.

Base conversion 72181784

Base System Value
2 Binary 100010011010110100000011000
3 Ternary 12000211012210102
4 Quaternary 10103112200120
5 Quinary 121434304114
6 Senary 11055034532
8 Octal 423264030
10 Decimal 72181784
12 Duodecimal 2020ba48
16 Hexadecimal 44d6818
20 Vigesimal 12b2e94
36 Base36 16z3tk

Cryptographic Hash Functions

md5 b1979ab763dec5265593854dd13f6549
sha1 7217e9814da1645ebe916178f92b944ebc726bdd
sha256 06b8baf683dea5f29da51d5e5fabd01c585118da316eec2199bab110fbb73f96
sha512 173118d5b6ed11b1807f4fee794eb3199e96194f067925b802886aa14cdd97a8ded431b410d19099f9dd4b13301843482b363dcdffd8f51ec91071780585deaf
ripemd-160 83d8962ff4ead8b9066d9f5e92cc1e9aa4967061

72181784 as geometric shapes

Circle

Radius = n
Diameter 144363568
Circumference 453531524.67481
Area 1.6368357275634E+16

Sphere

Radius = n
Volume 1.5753296390728E+24
Surface area 6.5473429102536E+16
Circumference 453531524.67481

Square

Length = n
Perimeter 288727136
Area 5210209941422656
Diagonal 102080457.88909

Cube

Length = n
Surface area 31261259648535936
Volume 3.7608224858642E+23
Space diagonal 125022517.26896

Equilateral Triangle

Length = n
Perimeter 216545352
Area 2.2560870841611E+15
Altitude 62511258.634481

Triangular Pyramid

Length = n
Surface area 2.2560870841611E+15
Volume 4.4321718043224E+22
Height 34026819.296362