72028081 (number)

72028081 is an odd 8-digits composite number following 72028080 and preceding 72028082. In scientific notation, it is written as 7.2028081 × 10^7. The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors. There are 71886064 positive integers (up to 72028081) that are relatively prime to 72028081.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 7.2028081 × 10^7
Engineering notation 7.2028081 × 10^6

Prime Factorization of 72028081

Prime Factorization 509 × 141509

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 72028081
Product of the distinct prime numbers

The prime factorization of 72028081 is 509 × 141509. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 72028081)

Multiplication

n×y
n×2 144056162
n×3 216084243
n×4 288112324
n×5 360140405

Division

n÷y
n÷2 36014040.5
n÷3 24009360.333333
n÷3 18007020.25
n÷5 14405616.2

Exponentiation

ny
n2 5188044452542561
n3 3.7368488605934E+23
n4 2.6915805241558E+31
n5 1.9386938001191E+39

Nth Root

y√n
2√n 8486.9359017257
3√n 416.07084168612
4√n 92.124567308214
5√n 37.282100158961

Divisors of 72028081

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -72028080
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 72028081 can be divided by 4 positive divisors. The sum of these divisors (counting 72028081) is 1, the average is 0.25.

Base conversion 72028081

Base System Value
2 Binary 100010010110000111110110001
3 Ternary 12000112101221201
4 Quaternary 10102300332301
5 Quinary 121414344311
6 Senary 11051451201
8 Octal 422607661
10 Decimal 72028081
12 Duodecimal 20156b01
16 Hexadecimal 44b0fb1
20 Vigesimal 12a3a41
36 Base36 16vt81

Cryptographic Hash Functions

md5 5bebbcd466fe3d47910c22f6a913c8eb
sha1 ead03596359679876637eb0cc20323725160dd90
sha256 1c64431b9ea73d33212d60b1f04a54982a1655b2a3b75d007cf6866736341d9b
sha512 aacbcc338e04e8969202e5fb40f6a38e80d0cd20b344c02263a58ac59c09d5ba0e344df7aadc11b9296907a2c4f2706c1837d628a20d6d700ae04eede8ba0cd2
ripemd-160 e0696f9899e0b6a9c406fbcd7ed3586f0ca75c92

72028081 as geometric shapes

Circle

Radius = n
Diameter 144056162
Circumference 452565780.24354
Area 1.6298722338605E+16

Sphere

Radius = n
Volume 1.5652875904021E+24
Surface area 6.519488935442E+16
Circumference 452565780.24354

Square

Length = n
Perimeter 288112324
Area 5188044452542561
Diagonal 101863089.02191

Cube

Length = n
Surface area 31128266715255366
Volume 3.7368488605934E+23
Space diagonal 124756295.86369

Equilateral Triangle

Length = n
Perimeter 216084243
Area 2.2464891459324E+15
Altitude 62378147.931843

Triangular Pyramid

Length = n
Surface area 2.2464891459324E+15
Volume 4.4039186159913E+22
Height 33954363.007303