72181828 (number)

72181828 is an even 8-digits composite number following 72181827 and preceding 72181829. In scientific notation, it is written as 7.2181828 × 10^7. The sum of its digits is 37. It has a total of 4 prime factors and 12 positive divisors. There are 35881952 positive integers (up to 72181828) that are relatively prime to 72181828.

Interesting facts

Basic properties

Name

Name seventy-two million one hundred eighty-one thousand eight hundred twenty-eight

Notation

Scientific notation 7.2181828 × 10^7
Engineering notation 7.2181828 × 10^6

Prime Factorization of 72181828

Prime Factorization 2 × 2 × 173 × 104309

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 36090914
Product of the distinct prime numbers

The prime factorization of 72181828 is 2 × 2 × 173 × 104309. Since it has a total of 4 prime factors.

Most popular turbo-numbers

4, 6, 34, 91, 10, 216, 7754, 6936, 3577, 94545, 877758, 547876, 3608592, 2531499, 61750396, 60120526, 441784447, 213378319, 3800159024, 6556664092

Basic calculations (n = 72181828)

Multiplication

n×y
n×2 144363656
n×3 216545484
n×4 288727312
n×5 360909140

Division

n÷y
n÷2 36090914
n÷3 24060609.333333
n÷3 18045457
n÷5 14436365.6

Exponentiation

ny
n2 5210216293421584
n3 3.7608293633455E+23
n4 2.7146353824236E+31
n5 1.9594734425681E+39

Nth Root

y√n
2√n 8495.9889359627
3√n 416.36667159671
4√n 92.173688957113
5√n 37.298002632395

Divisors of 72181828

1, 2, 4, 173, 346, 692, 104309, 208618, 417236, 18045457, 36090914, 72181828

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -72181827
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 72181828 can be divided by 12 positive divisors. The sum of these divisors (counting 72181828) is 1, the average is 0.083333333333333.

Base conversion 72181828

Base System Value
2 Binary 100010011010110100001000100
3 Ternary 12000211012212001
4 Quaternary 10103112201010
5 Quinary 121434304303
6 Senary 11055035044
8 Octal 423264104
10 Decimal 72181828
12 Duodecimal 2020ba84
16 Hexadecimal 44d6844
20 Vigesimal 12b2eb8
36 Base36 16z3us

Cryptographic Hash Functions

md5 51bce8c6fb0cd5f67caec54f7b11f707
sha1 a846a8f0d2b220b773430e79c9ae698b1e1dd08c
sha256 2a44d9be48512925005f997c06300d63bfe1afea27b4c3aa123630faee203c22
sha512 4fc7cd422f5631d131a67b8f9d167b4fcf9f90a96071607f5f777d585ca455ccfc0058f204014be80203db6cc4f73f9d7f4f9afd7cbea37ffdfd2bc78525ed0b
ripemd-160 7cf020a4c4d472db425cc1d0472cc38962d0f9bc

72181828 as geometric shapes

Circle

Radius = n
Diameter 144363656
Circumference 453531801.13496
Area 1.6368377231027E+16

Sphere

Radius = n
Volume 1.5753325199055E+24
Surface area 6.5473508924108E+16
Circumference 453531801.13496

Square

Length = n
Perimeter 288727312
Area 5210216293421584
Diagonal 102080520.11448

Cube

Length = n
Surface area 31261297760529504
Volume 3.7608293633455E+23
Space diagonal 125022593.4792

Equilateral Triangle

Length = n
Perimeter 216545484
Area 2.2560898346573E+15
Altitude 62511296.739599

Triangular Pyramid

Length = n
Surface area 2.2560898346573E+15
Volume 4.4321799095119E+22
Height 34026840.038161