72181540 (number)

72181540 is an even 8-digits composite number following 72181539 and preceding 72181541. In scientific notation, it is written as 7.2181540 × 10^7. The sum of its digits is 28. It has a total of 5 prime factors and 24 positive divisors. There are 28841568 positive integers (up to 72181540) that are relatively prime to 72181540.

Interesting facts

Basic properties

Name

Name seventy-two million one hundred eighty-one thousand five hundred forty

Notation

Scientific notation 7.2181540 × 10^7
Engineering notation 7.2181540 × 10^6

Prime Factorization of 72181540

Prime Factorization 2 × 2 × 5 × 2339 × 1543

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 36090770
Product of the distinct prime numbers

The prime factorization of 72181540 is 2 × 2 × 5 × 2339 × 1543. Since it has a total of 5 prime factors.

Most popular turbo-numbers

10, 8, 79, 67, 270, 811, 3051, 8338, 68772, 93296, 682927, 644590, 3945993, 2048180, 70857040, 80955818, 722953146, 927195936, 3464292739, 7685606618

Basic calculations (n = 72181540)

Multiplication

n×y
n×2 144363080
n×3 216544620
n×4 288726160
n×5 360907700

Division

n÷y
n÷2 36090770
n÷3 24060513.333333
n÷3 18045385
n÷5 14436308

Exponentiation

ny
n2 5210174716771600
n3 3.7607843472564E+23
n4 2.7145920579286E+31
n5 1.9594343521306E+39

Nth Root

y√n
2√n 8495.9719867711
3√n 416.36611783887
4√n 92.173597015475
5√n 37.297972869109

Divisors of 72181540

1, 2, 4, 5, 10, 20, 1543, 2339, 3086, 4678, 6172, 7715, 9356, 11695, 15430, 23390, 30860, 46780, 3609077, 7218154, 14436308, 18045385, 36090770, 72181540

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -72181539
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 72181540 can be divided by 24 positive divisors. The sum of these divisors (counting 72181540) is 1, the average is 0.041666666666667.

Base conversion 72181540

Base System Value
2 Binary 100010011010110011100100100
3 Ternary 12000211012110101
4 Quaternary 10103112130210
5 Quinary 121434302130
6 Senary 11055033444
8 Octal 423263444
10 Decimal 72181540
12 Duodecimal 2020b884
16 Hexadecimal 44d6724
20 Vigesimal 12b2dh0
36 Base36 16z3ms

Cryptographic Hash Functions

md5 3294c448429e3d0d7d65b68321cf1af8
sha1 1996b3a51e861509d6760b69b55281dbcf064a0a
sha256 a93b759e47ff84ec92c646c6df174a11d7619c37fc9f15c81592a166c69c4529
sha512 ce3fb3847634abce6745b23e34205999f3f0a918942e19b78f3440c02a931a953edd4ab9bba6dc62988a97633aea7f31ca91ede84a2fcc9a03997dd63010cc3c
ripemd-160 4dbe7182cbe080c12dcf14fe6cb0a6381469a41c

72181540 as geometric shapes

Circle

Radius = n
Diameter 144363080
Circumference 453529991.5776
Area 1.6368246614129E+16

Sphere

Radius = n
Volume 1.5753136636102E+24
Surface area 6.5472986456516E+16
Circumference 453529991.5776

Square

Length = n
Perimeter 288726160
Area 5210174716771600
Diagonal 102080112.82098

Cube

Length = n
Surface area 31261048300629600
Volume 3.7607843472564E+23
Space diagonal 125022094.64857

Equilateral Triangle

Length = n
Perimeter 216544620
Area 2.2560718314398E+15
Altitude 62511047.324283

Triangular Pyramid

Length = n
Surface area 2.2560718314398E+15
Volume 4.432126857542E+22
Height 34026704.273659