72185906 (number)

72185906 is an even 8-digits composite number following 72185905 and preceding 72185907. In scientific notation, it is written as 7.2185906 × 10^7. The sum of its digits is 38. It has a total of 4 prime factors and 16 positive divisors. There are 32541264 positive integers (up to 72185906) that are relatively prime to 72185906.

Interesting facts

Basic properties

Name

Name seventy-two million one hundred eighty-five thousand nine hundred six

Notation

Scientific notation 7.2185906 × 10^7
Engineering notation 7.2185906 × 10^6

Prime Factorization of 72185906

Prime Factorization 2 × 13 × 43 × 64567

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 72185906
Product of the distinct prime numbers

The prime factorization of 72185906 is 2 × 13 × 43 × 64567. Since it has a total of 4 prime factors.

Most popular turbo-numbers

8, 7, 84, 61, 707, 953, 6821, 7008, 57298, 54080, 485377, 592617, 7446768, 5789611, 20270935, 87065152, 36427022, 674984436, 7592044546, 7461394575

Basic calculations (n = 72185906)

Multiplication

n×y
n×2 144371812
n×3 216557718
n×4 288743624
n×5 360929530

Division

n÷y
n÷2 36092953
n÷3 24061968.666667
n÷3 18046476.5
n÷5 14437181.2

Exponentiation

ny
n2 5210805025040836
n3 3.7614668172193E+23
n4 2.7152489008991E+31
n5 1.960027019269E+39

Nth Root

y√n
2√n 8496.2289281775
3√n 416.37451249591
4√n 92.174990795646
5√n 37.298424062059

Divisors of 72185906

1, 2, 13, 26, 43, 86, 559, 1118, 64567, 129134, 839371, 1678742, 2776381, 5552762, 36092953, 72185906

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 -72185905
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 72185906 can be divided by 16 positive divisors. The sum of these divisors (counting 72185906) is 1, the average is 0.0625.

Base conversion 72185906

Base System Value
2 Binary 100010011010111100000110010
3 Ternary 12000211102110002
4 Quaternary 10103113200302
5 Quinary 121434422111
6 Senary 11055110002
8 Octal 423274062
10 Decimal 72185906
12 Duodecimal 20212302
16 Hexadecimal 44d7832
20 Vigesimal 12b34f6
36 Base36 16z702

Cryptographic Hash Functions

md5 319b0a89eb14a94276a9bfc18d5d8b35
sha1 b26fa29fe90f353f38dad8b12e477f0b3b09fc2a
sha256 a38d7d41c3851f9eb19bfd77d23969c925a137dc2593745c461e21a1c8922eb8
sha512 e7ca0d9786c0f59fddd61c333b5a167336973f6b8206bfcdb01cf822b5034a795366d409415a84045d776e6168dcc4a448653d6f0562ee2f8ee6652c77535f52
ripemd-160 a2f0bb21209b6850d73f34953f5912893723be77

72185906 as geometric shapes

Circle

Radius = n
Diameter 144371812
Circumference 453557423.96465
Area 1.6370226785957E+16

Sphere

Radius = n
Volume 1.5755995359597E+24
Surface area 6.5480907143828E+16
Circumference 453557423.96465

Square

Length = n
Perimeter 288743624
Area 5210805025040836
Diagonal 102086287.27739

Cube

Length = n
Surface area 31264830150245016
Volume 3.7614668172193E+23
Space diagonal 125029656.78239

Equilateral Triangle

Length = n
Perimeter 216557718
Area 2.2563447629265E+15
Altitude 62514828.391196

Triangular Pyramid

Length = n
Surface area 2.2563447629265E+15
Volume 4.4329311561065E+22
Height 34028762.425796