72185870 (number)

72185870 is an even 8-digits composite number following 72185869 and preceding 72185871. In scientific notation, it is written as 7.2185870 × 10^7. The sum of its digits is 38. It has a total of 4 prime factors and 16 positive divisors. There are 28837920 positive integers (up to 72185870) that are relatively prime to 72185870.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 7.2185870 × 10^7
Engineering notation 7.2185870 × 10^6

Prime Factorization of 72185870

Prime Factorization 2 × 5 × 877 × 8231

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 72185870
Product of the distinct prime numbers

The prime factorization of 72185870 is 2 × 5 × 877 × 8231. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 72185870)

Multiplication

n×y
n×2 144371740
n×3 216557610
n×4 288743480
n×5 360929350

Division

n÷y
n÷2 36092935
n÷3 24061956.666667
n÷3 18046467.5
n÷5 14437174

Exponentiation

ny
n2 5210799827656900
n3 3.7614611895526E+23
n4 2.7152434843909E+31
n5 1.9600221318259E+39

Nth Root

y√n
2√n 8496.2268095902
3√n 416.37444327887
4√n 92.174979303444
5√n 37.298420341822

Divisors of 72185870

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 -72185869
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 72185870 can be divided by 16 positive divisors. The sum of these divisors (counting 72185870) is 1, the average is 0.0625.

Base conversion 72185870

Base System Value
2 Binary 100010011010111100000001110
3 Ternary 12000211102101202
4 Quaternary 10103113200032
5 Quinary 121434421440
6 Senary 11055105502
8 Octal 423274016
10 Decimal 72185870
12 Duodecimal 20212292
16 Hexadecimal 44d780e
20 Vigesimal 12b34da
36 Base36 16z6z2

Cryptographic Hash Functions

md5 3ae7a6402ce5e47629a6622ef4e5d3cf
sha1 a61e44ff71996e07ac8f708b084fc137551c1ef3
sha256 3b667207a63ec9aeece4ab7f691191aab58418dde35812b96b4b9655a1fc9c8f
sha512 33d797ea2186d9b46ebd26c491e604b67fa2902dfb6aaee2e05c550a6478ac88de9008b663dc239984804d14dda37f28affea36b47b3bc1dd7806f91465c0fdc
ripemd-160 5ad462b0e889e45a835e2d83a49d5889e6be93f3

72185870 as geometric shapes

Circle

Radius = n
Diameter 144371740
Circumference 453557197.76998
Area 1.6370210457894E+16

Sphere

Radius = n
Volume 1.5755971786482E+24
Surface area 6.5480841831576E+16
Circumference 453557197.76998

Square

Length = n
Perimeter 288743480
Area 5210799827656900
Diagonal 102086236.3657

Cube

Length = n
Surface area 31264798965941400
Volume 3.7614611895526E+23
Space diagonal 125029594.42856

Equilateral Triangle

Length = n
Perimeter 216557610
Area 2.2563425123932E+15
Altitude 62514797.214281

Triangular Pyramid

Length = n
Surface area 2.2563425123932E+15
Volume 4.4329245238378E+22
Height 34028745.455234