72281808 (number)

72281808 is an even 8-digits composite number following 72281807 and preceding 72281809. In scientific notation, it is written as 7.2281808 × 10^7. The sum of its digits is 36. It has a total of 11 prime factors and 70 positive divisors. There are 24090048 positive integers (up to 72281808) that are relatively prime to 72281808.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 7.2281808 × 10^7
Engineering notation 7.2281808 × 10^6

Prime Factorization of 72281808

Prime Factorization 2 × 2 × 2 × 2 × 3 × 3 × 3 × 3 × 3 × 3 × 6197

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 11
Total number of prime factors
rad Radical 37182
Product of the distinct prime numbers

The prime factorization of 72281808 is 2 × 2 × 2 × 2 × 3 × 3 × 3 × 3 × 3 × 3 × 6197. Since it has a total of 11 prime factors.

Most popular turbo-numbers

Basic calculations (n = 72281808)

Multiplication

n×y
n×2 144563616
n×3 216845424
n×4 289127232
n×5 361409040

Division

n÷y
n÷2 36140904
n÷3 24093936
n÷3 18070452
n÷5 14456361.6

Exponentiation

ny
n2 5224659767748864
n3 3.7764785419775E+23
n4 2.7297069688734E+31
n5 1.9730815502037E+39

Nth Root

y√n
2√n 8501.8708529358
3√n 416.55882122665
4√n 92.205590139296
5√n 37.308329303406

Divisors of 72281808

70 divisors

τ Total Divisors 70
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -72281807
Sum of the proper positive divisors of n
A Arithmetic Mean 0.014285714285714
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 70
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 72281808 can be divided by 70 positive divisors. The sum of these divisors (counting 72281808) is 1, the average is 0.014285714285714.

Base conversion 72281808

Base System Value
2 Binary 100010011101110111011010000
3 Ternary 12001000022000000
4 Quaternary 10103232323100
5 Quinary 122001004213
6 Senary 11101130000
8 Octal 423567320
10 Decimal 72281808
12 Duodecimal 20259900
16 Hexadecimal 44eeed0
20 Vigesimal 12bf4a8
36 Base36 171900

Cryptographic Hash Functions

md5 4e229c047a4cf5353f7337178a9d3468
sha1 91113835c7391c1e107fd3fceb3e6e3be76b4811
sha256 201d19bd42fd201a1b1b5f64f85ddd51e9bf2a60b44b966515489e96ba36e6a1
sha512 412dceb8a449bc214a23e5532fbde3cd3965e6f5a5da890beeb4745fbc791748431f6c43b617c71bbf556bd292e9f63757aa53f2178ba8a3fb3191483e4b8a7d
ripemd-160 c5a72a16b3602c4c19e6a8e7aa27a62695291317

72281808 as geometric shapes

Circle

Radius = n
Diameter 144563616
Circumference 454159994.00198
Area 1.6413752743866E+16

Sphere

Radius = n
Volume 1.5818876325221E+24
Surface area 6.5655010975464E+16
Circumference 454159994.00198

Square

Length = n
Perimeter 289127232
Area 5224659767748864
Diagonal 102221913.18645

Cube

Length = n
Surface area 31347958606493184
Volume 3.7764785419775E+23
Space diagonal 125195763.91894

Equilateral Triangle

Length = n
Perimeter 216845424
Area 2.2623440425005E+15
Altitude 62597881.959469

Triangular Pyramid

Length = n
Surface area 2.2623440425005E+15
Volume 4.4506226433963E+22
Height 34073971.062149