72508728 (number)

72508728 is an even 8-digits composite number following 72508727 and preceding 72508729. In scientific notation, it is written as 7.2508728 × 10^7. The sum of its digits is 39. It has a total of 7 prime factors and 64 positive divisors. There are 23617152 positive integers (up to 72508728) that are relatively prime to 72508728.

Interesting facts

Basic properties

Name

Name seventy-two million five hundred eight thousand seven hundred twenty-eight

Notation

Scientific notation 7.2508728 × 10^7
Engineering notation 7.2508728 × 10^6

Prime Factorization of 72508728

Prime Factorization 2 × 2 × 2 × 3 × 79 × 167 × 229

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 18127182
Product of the distinct prime numbers

The prime factorization of 72508728 is 2 × 2 × 2 × 3 × 79 × 167 × 229. Since it has a total of 7 prime factors.

Most popular turbo-numbers

Basic calculations (n = 72508728)

Multiplication

n×y
n×2 145017456
n×3 217526184
n×4 290034912
n×5 362543640

Division

n÷y
n÷2 36254364
n÷3 24169576
n÷3 18127182
n÷5 14501745.6

Exponentiation

ny
n2 5257515636177984
n3 3.8121577121938E+23
n4 2.7641470664656E+31
n5 2.0042478779435E+39

Nth Root

y√n
2√n 8515.2056933465
3√n 416.99427788041
4√n 92.277872176088
5√n 37.331724940842

Divisors of 72508728

64 divisors

τ Total Divisors 64
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -72508727
Sum of the proper positive divisors of n
A Arithmetic Mean 0.015625
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 64
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 72508728 can be divided by 64 positive divisors. The sum of these divisors (counting 72508728) is 1, the average is 0.015625.

Base conversion 72508728

Base System Value
2 Binary 100010100100110010100111000
3 Ternary 12001102211021110
4 Quaternary 10110212110320
5 Quinary 122030234403
6 Senary 11110040320
8 Octal 424462470
10 Decimal 72508728
12 Duodecimal 203490a0
16 Hexadecimal 4526538
20 Vigesimal 12d3bg8
36 Base36 17643c

Cryptographic Hash Functions

md5 ac4208164c69adb70670fc057d9b1ea5
sha1 9faa2b5af78a4f6b90f8189159388bee09d17c5e
sha256 442074837642939eeec5c463013e0aec0f4a5ede2efe2b85c449d9de0e1c1143
sha512 d34288a15e8c7b536d705446987f293e02aff3fdd3642b7969e89cb562b97c3aa10ff24c20efbd70855e7d6a74755aabf27d7d4d1de7089201b42c461f474c5f
ripemd-160 0aa3bbb64297ffed3b63bc4859b58671819cf746

72508728 as geometric shapes

Circle

Radius = n
Diameter 145017456
Circumference 455585774.41188
Area 1.651697249875E+16

Sphere

Radius = n
Volume 1.5968328883938E+24
Surface area 6.6067889995001E+16
Circumference 455585774.41188

Square

Length = n
Perimeter 290034912
Area 5257515636177984
Diagonal 102542826.52802

Cube

Length = n
Surface area 31545093817067904
Volume 3.8121577121938E+23
Space diagonal 125588800.88819

Equilateral Triangle

Length = n
Perimeter 217526184
Area 2.276571050862E+15
Altitude 62794400.444096

Triangular Pyramid

Length = n
Surface area 2.276571050862E+15
Volume 4.4926709487413E+22
Height 34180942.176007