72181872 (number)

72181872 is an even 8-digits composite number following 72181871 and preceding 72181873. In scientific notation, it is written as 7.2181872 × 10^7. The sum of its digits is 36. It has a total of 8 prime factors and 80 positive divisors. There are 20390400 positive integers (up to 72181872) that are relatively prime to 72181872.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 7.2181872 × 10^7
Engineering notation 7.2181872 × 10^6

Prime Factorization of 72181872

Prime Factorization 2 × 2 × 2 × 2 × 9 × 7 × 101 × 709

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 8
Total number of prime factors
rad Radical 9022734
Product of the distinct prime numbers

The prime factorization of 72181872 is 2 × 2 × 2 × 2 × 9 × 7 × 101 × 709. Since it has a total of 8 prime factors.

Most popular turbo-numbers

5, 2, 33, 54, 592, 437, 7122, 7358, 81470, 4271, 503508, 230578, 4917911, 5803036, 66785223, 72102438, 447481369, 189313210, 8260811637, 6176092440

Basic calculations (n = 72181872)

Multiplication

n×y
n×2 144363744
n×3 216545616
n×4 288727488
n×5 360909360

Division

n÷y
n÷2 36090936
n÷3 24060624
n÷3 18045468
n÷5 14436374.4

Exponentiation

ny
n2 5210222645424384
n3 3.7608362408352E+23
n4 2.7146420014893E+31
n5 1.9594794147732E+39

Nth Root

y√n
2√n 8495.9915254195
3√n 416.36675619848
4√n 92.173703003728
5√n 37.298007179556

Divisors of 72181872

1, 2, 4, 7, 8, 9, 14, 16, 18, 28, 36, 56, 63, 72, 101, 112, 126, 144, 202, 252, 404, 504, 707, 709, 808, 909, 1008, 1414, 1418, 1616, 1818, 2828, 2836, 3636, 4963, 5656, 5672, 6363, 6381, 7272, 9926, 11312, 11344, 12726, 12762, 14544, 19852, 25452, 25524, 39704, 44667, 50904, 51048, 71609, 79408, 89334, 101808, 102096, 143218, 178668, 286436, 357336, 501263, 572872, 644481, 714672, 1002526, 1145744, 1288962, 2005052, 2577924, 4010104, 4511367, 5155848, 8020208, 9022734, 10311696, 18045468, 36090936, 72181872

80 divisors

τ Total Divisors 80
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -72181871
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0125
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 80
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 72181872 can be divided by 80 positive divisors. The sum of these divisors (counting 72181872) is 1, the average is 0.0125.

Base conversion 72181872

Base System Value
2 Binary 100010011010110100001110000
3 Ternary 12000211012220200
4 Quaternary 10103112201300
5 Quinary 121434304442
6 Senary 11055035200
8 Octal 423264160
10 Decimal 72181872
12 Duodecimal 2020bb00
16 Hexadecimal 44d6870
20 Vigesimal 12b2edc
36 Base36 16z3w0

Cryptographic Hash Functions

md5 3a538e8dd815bd54f5f9c4adc22dc89f
sha1 9dc52295b2a739c0258ed7753c3049d539c3d545
sha256 f573bb2e23c33497a9d1bcb2c775571c3359d3c400cb1ab72fd04e5471d92b60
sha512 a0f08197079442fe7e5d479a49e8b73eb02d0c08dfb650e4d2b26275b297392a4772d1301e38d443720590dffa911f941c3d85af372268f399d3ec169d17aa2b
ripemd-160 9143858be3ec1d2c5dfccb44f1bf43fd0d51e308

72181872 as geometric shapes

Circle

Radius = n
Diameter 144363744
Circumference 453532077.59512
Area 1.6368397186432E+16

Sphere

Radius = n
Volume 1.5753354007416E+24
Surface area 6.547358874573E+16
Circumference 453532077.59512

Square

Length = n
Perimeter 288727488
Area 5210222645424384
Diagonal 102080582.33988

Cube

Length = n
Surface area 31261335872546304
Volume 3.7608362408352E+23
Space diagonal 125022669.68943

Equilateral Triangle

Length = n
Perimeter 216545616
Area 2.2560925851552E+15
Altitude 62511334.844717

Triangular Pyramid

Length = n
Surface area 2.2560925851552E+15
Volume 4.4321880147112E+22
Height 34026860.77996