72185438 (number)

72185438 is an even 8-digits composite number following 72185437 and preceding 72185439. In scientific notation, it is written as 7.2185438 × 10^7. The sum of its digits is 38. It has a total of 4 prime factors and 16 positive divisors. There are 32750976 positive integers (up to 72185438) that are relatively prime to 72185438.

Interesting facts

Basic properties

Name

Name seventy-two million one hundred eighty-five thousand four hundred thirty-eight

Notation

Scientific notation 7.2185438 × 10^7
Engineering notation 7.2185438 × 10^6

Prime Factorization of 72185438

Prime Factorization 2 × 13 × 59 × 47057

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 72185438
Product of the distinct prime numbers

The prime factorization of 72185438 is 2 × 13 × 59 × 47057. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 72185438)

Multiplication

n×y
n×2 144370876
n×3 216556314
n×4 288741752
n×5 360927190

Division

n÷y
n÷2 36092719
n÷3 24061812.666667
n÷3 18046359.5
n÷5 14437087.6

Exponentiation

ny
n2 5210737459251844
n3 3.761393657991E+23
n4 2.715178486925E+31
n5 1.9599634832686E+39

Nth Root

y√n
2√n 8496.2013865021
3√n 416.37361267256
4√n 92.174841396674
5√n 37.298375698857

Divisors of 72185438

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -72185437
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 72185438 can be divided by 16 positive divisors. The sum of these divisors (counting 72185438) is 1, the average is 0.0625.

Base conversion 72185438

Base System Value
2 Binary 100010011010111011001011110
3 Ternary 12000211101210202
4 Quaternary 10103113121132
5 Quinary 121434413223
6 Senary 11055103502
8 Octal 423273136
10 Decimal 72185438
12 Duodecimal 20211b92
16 Hexadecimal 44d765e
20 Vigesimal 12b33bi
36 Base36 16z6n2

Cryptographic Hash Functions

md5 db975ffece89916a0900dd6346d0e028
sha1 5b5f21cc97b7378ae4ffc960e4b9e3367b6ef225
sha256 093228936daebdb4f16f47acba0e9a28ebb4dfd21ee03759d4dab239760a433b
sha512 8d77e5bd1b74ad018e0bda63f1fe5d92c37c701fff13fa779fc2c57c952904fa5f73ce4fa17a27a08326a1173486de738db255760ba7209cd1234c35c932177b
ripemd-160 e678999227152339552d1a556e222d5cd6310c55

72185438 as geometric shapes

Circle

Radius = n
Diameter 144370876
Circumference 453554483.43392
Area 1.6370014521771E+16

Sphere

Radius = n
Volume 1.5755688910938E+24
Surface area 6.5480058087083E+16
Circumference 453554483.43392

Square

Length = n
Perimeter 288741752
Area 5210737459251844
Diagonal 102085625.42544

Cube

Length = n
Surface area 31264424755511064
Volume 3.761393657991E+23
Space diagonal 125028846.18261

Equilateral Triangle

Length = n
Perimeter 216556314
Area 2.2563155060816E+15
Altitude 62514423.091307

Triangular Pyramid

Length = n
Surface area 2.2563155060816E+15
Volume 4.4328449371292E+22
Height 34028541.808481