72028281 (number)

72028281 is an odd 8-digits composite number following 72028280 and preceding 72028282. In scientific notation, it is written as 7.2028281 × 10^7. The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors. There are 44325072 positive integers (up to 72028281) that are relatively prime to 72028281.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 7.2028281 × 10^7
Engineering notation 7.2028281 × 10^6

Prime Factorization of 72028281

Prime Factorization 3 × 13 × 1846879

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 72028281
Product of the distinct prime numbers

The prime factorization of 72028281 is 3 × 13 × 1846879. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 72028281)

Multiplication

n×y
n×2 144056562
n×3 216084843
n×4 288113124
n×5 360141405

Division

n÷y
n÷2 36014140.5
n÷3 24009427
n÷3 18007070.25
n÷5 14405656.2

Exponentiation

ny
n2 5188073263814961
n3 3.7368799889465E+23
n4 2.6916104190712E+31
n5 1.9387207160739E+39

Nth Root

y√n
2√n 8486.947684533
3√n 416.07122678635
4√n 92.1246312586
5√n 37.28212086314

Divisors of 72028281

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 -72028280
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 72028281 can be divided by 8 positive divisors. The sum of these divisors (counting 72028281) is 1, the average is 0.125.

Base conversion 72028281

Base System Value
2 Binary 100010010110001000001111001
3 Ternary 12000112102020010
4 Quaternary 10102301001321
5 Quinary 121414401111
6 Senary 11051452133
8 Octal 422610171
10 Decimal 72028281
12 Duodecimal 20157049
16 Hexadecimal 44b1079
20 Vigesimal 12a3ae1
36 Base36 16vtdl

Cryptographic Hash Functions

md5 60cfac16b8f3a6723b9511d77ae33277
sha1 54e2380eb9349fd9ea3093c82396b837d32fa313
sha256 7363dccf2de2a624b40f90a53c62544c0d64d7d6814fb258f321f39672442ba6
sha512 448113600ca0c392ec0872353292b662dd81e2301288a755e4d1587241075677ec1169424a9658c8c5e0abcbae62afafbfeaf3cb3c27b6750ce75dd2fb7f8a6d
ripemd-160 10073c4a7811baf07de9dbf9dca089c1f7f2cdb7

72028281 as geometric shapes

Circle

Radius = n
Diameter 144056562
Circumference 452567036.8806
Area 1.6298812851887E+16

Sphere

Radius = n
Volume 1.5653006294161E+24
Surface area 6.5195251407547E+16
Circumference 452567036.8806

Square

Length = n
Perimeter 288113124
Area 5188073263814961
Diagonal 101863371.86462

Cube

Length = n
Surface area 31128439582889766
Volume 3.7368799889465E+23
Space diagonal 124756642.27385

Equilateral Triangle

Length = n
Perimeter 216084843
Area 2.2465016215793E+15
Altitude 62378321.136924

Triangular Pyramid

Length = n
Surface area 2.2465016215793E+15
Volume 4.4039553011073E+22
Height 33954457.288207