72181856 (number)

72181856 is an even 8-digits composite number following 72181855 and preceding 72181857. In scientific notation, it is written as 7.2181856 × 10^7. The sum of its digits is 38. It has a total of 7 prime factors and 24 positive divisors. There are 35969920 positive integers (up to 72181856) that are relatively prime to 72181856.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 7.2181856 × 10^7
Engineering notation 7.2181856 × 10^6

Prime Factorization of 72181856

Prime Factorization 2 × 2 × 2 × 2 × 2 × 311 × 7253

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 4511366
Product of the distinct prime numbers

The prime factorization of 72181856 is 2 × 2 × 2 × 2 × 2 × 311 × 7253. Since it has a total of 7 prime factors.

Most popular turbo-numbers

2, 3, 84, 37, 597, 537, 2919, 9875, 31077, 45894, 721092, 342608, 4112058, 2024449, 79591285, 6070880, 869539464, 987973181, 7738796593, 5262305800

Basic calculations (n = 72181856)

Multiplication

n×y
n×2 144363712
n×3 216545568
n×4 288727424
n×5 360909280

Division

n÷y
n÷2 36090928
n÷3 24060618.666667
n÷3 18045464
n÷5 14436371.2

Exponentiation

ny
n2 5210220335604736
n3 3.7608337399289E+23
n4 2.7146395945549E+31
n5 1.9594772430606E+39

Nth Root

y√n
2√n 8495.9905837989
3√n 416.3667254342
4√n 92.173697895869
5√n 37.298005526043

Divisors of 72181856

1, 2, 4, 8, 16, 32, 311, 622, 1244, 2488, 4976, 7253, 9952, 14506, 29012, 58024, 116048, 232096, 2255683, 4511366, 9022732, 18045464, 36090928, 72181856

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 -72181855
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 72181856 can be divided by 24 positive divisors. The sum of these divisors (counting 72181856) is 1, the average is 0.041666666666667.

Base conversion 72181856

Base System Value
2 Binary 100010011010110100001100000
3 Ternary 12000211012220002
4 Quaternary 10103112201200
5 Quinary 121434304411
6 Senary 11055035132
8 Octal 423264140
10 Decimal 72181856
12 Duodecimal 2020baa8
16 Hexadecimal 44d6860
20 Vigesimal 12b2ecg
36 Base36 16z3vk

Cryptographic Hash Functions

md5 549a3bc54838d8e5512a323edddcb7e1
sha1 c75091bacfaa1ab5f667aa2c0235dddb39d5e89c
sha256 04ce992bf57a17d485d15d5960b4def1cabb80767cb5af32b9880095f99528b7
sha512 06cb93ad96c7158491857184311c2517e71a6be07cf80a83cbeafd04872bf4d3980c6e6d34d5de66e398a268cb96fb4a7bff556dfad5729974f929225497a8ed
ripemd-160 9ccdb9b6f82097279c3486929fd74d8be0648da8

72181856 as geometric shapes

Circle

Radius = n
Diameter 144363712
Circumference 453531977.06415
Area 1.636838992992E+16

Sphere

Radius = n
Volume 1.5753343531644E+24
Surface area 6.547355971968E+16
Circumference 453531977.06415

Square

Length = n
Perimeter 288727424
Area 5210220335604736
Diagonal 102080559.71246

Cube

Length = n
Surface area 31261322013628416
Volume 3.7608337399289E+23
Space diagonal 125022641.97662

Equilateral Triangle

Length = n
Perimeter 216545568
Area 2.256091584974E+15
Altitude 62511320.98831

Triangular Pyramid

Length = n
Surface area 2.256091584974E+15
Volume 4.4321850673648E+22
Height 34026853.237487