72185720 (number)

72185720 is an even 8-digits composite number following 72185719 and preceding 72185721. In scientific notation, it is written as 7.2185720 × 10^7. The sum of its digits is 32. It has a total of 5 prime factors and 16 positive divisors. There are 28874272 positive integers (up to 72185720) that are relatively prime to 72185720.

Interesting facts

Basic properties

Name

Name seventy-two million one hundred eighty-five thousand seven hundred twenty

Notation

Scientific notation 7.2185720 × 10^7
Engineering notation 7.2185720 × 10^6

Prime Factorization of 72185720

Prime Factorization 2 × 2 × 2 × 5 × 1804643

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 18046430
Product of the distinct prime numbers

The prime factorization of 72185720 is 2 × 2 × 2 × 5 × 1804643. Since it has a total of 5 prime factors.

Most popular turbo-numbers

3, 6, 39, 38, 494, 647, 7761, 8664, 21463, 40496, 432346, 258928, 215890, 7166703, 80801869, 8106216, 278851899, 573691290, 9984781137, 7475358814

Basic calculations (n = 72185720)

Multiplication

n×y
n×2 144371440
n×3 216557160
n×4 288742880
n×5 360928600

Division

n÷y
n÷2 36092860
n÷3 24061906.666667
n÷3 18046430
n÷5 14437144

Exponentiation

ny
n2 5210778171918400
n3 3.7614377410021E+23
n4 2.7152209156941E+31
n5 1.9600017675844E+39

Nth Root

y√n
2√n 8496.2179821377
3√n 416.37415487428
4√n 92.174931419219
5√n 37.298404840817

Divisors of 72185720

1, 2, 4, 5, 8, 10, 20, 40, 1804643, 3609286, 7218572, 9023215, 14437144, 18046430, 36092860, 72185720

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 -72185719
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 72185720 can be divided by 16 positive divisors. The sum of these divisors (counting 72185720) is 1, the average is 0.0625.

Base conversion 72185720

Base System Value
2 Binary 100010011010111011101111000
3 Ternary 12000211102012012
4 Quaternary 10103113131320
5 Quinary 121434420340
6 Senary 11055105052
8 Octal 423273570
10 Decimal 72185720
12 Duodecimal 20212188
16 Hexadecimal 44d7778
20 Vigesimal 12b3460
36 Base36 16z6uw

Cryptographic Hash Functions

md5 01f3352a87abb9b8969d5cfdbfc9d9a1
sha1 279f9b9497a8589e3f7ad45f0762d02e379645fd
sha256 9e5fa0b32c2231a994cec90a300b85f34825989751abc87e1f8bb67e6b1677be
sha512 92a3315d882238de408576300f2091f7688829e2e223bbeb0284220144a66d732d46430594b596f7180308880f1c71aee25211925670a460f71564c0fe140226
ripemd-160 a6a2e823f3fda251642d1ad54158d849eb42e5f7

72185720 as geometric shapes

Circle

Radius = n
Diameter 144371440
Circumference 453556255.29218
Area 1.6370142424385E+16

Sphere

Radius = n
Volume 1.5755873565424E+24
Surface area 6.548056969754E+16
Circumference 453556255.29218

Square

Length = n
Perimeter 288742880
Area 5210778171918400
Diagonal 102086024.23367

Cube

Length = n
Surface area 31264669031510400
Volume 3.7614377410021E+23
Space diagonal 125029334.62094

Equilateral Triangle

Length = n
Perimeter 216557160
Area 2.2563331351834E+15
Altitude 62514667.31047

Triangular Pyramid

Length = n
Surface area 2.2563331351834E+15
Volume 4.432896889456E+22
Height 34028674.744556