72185561 (number)

72185561 is an odd 8-digits composite number following 72185560 and preceding 72185562. In scientific notation, it is written as 7.2185561 × 10^7. The sum of its digits is 35. It has a total of 3 prime factors and 8 positive divisors. There are 60556608 positive integers (up to 72185561) that are relatively prime to 72185561.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 7.2185561 × 10^7
Engineering notation 7.2185561 × 10^6

Prime Factorization of 72185561

Prime Factorization 7 × 47 × 219409

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 72185561
Product of the distinct prime numbers

The prime factorization of 72185561 is 7 × 47 × 219409. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 72185561)

Multiplication

n×y
n×2 144371122
n×3 216556683
n×4 288742244
n×5 360927805

Division

n÷y
n÷2 36092780.5
n÷3 24061853.666667
n÷3 18046390.25
n÷5 14437112.2

Exponentiation

ny
n2 5210755216884721
n3 3.761412885645E+23
n4 2.7151969930291E+31
n5 1.9599801816732E+39

Nth Root

y√n
2√n 8496.208625028
3√n 416.37384916497
4√n 92.174880661859
5√n 37.298388409723

Divisors of 72185561

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -72185560
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 72185561 can be divided by 8 positive divisors. The sum of these divisors (counting 72185561) is 1, the average is 0.125.

Base conversion 72185561

Base System Value
2 Binary 100010011010111011011011001
3 Ternary 12000211101222022
4 Quaternary 10103113123121
5 Quinary 121434414221
6 Senary 11055104225
8 Octal 423273331
10 Decimal 72185561
12 Duodecimal 20212075
16 Hexadecimal 44d76d9
20 Vigesimal 12b33i1
36 Base36 16z6qh

Cryptographic Hash Functions

md5 e1986096f82f12c1571c6da2481b5776
sha1 7447d29706f0b527f495b099b0fe75700a247bb1
sha256 2b53e63df55c78f0a8b509626f63d04cca03114fbd15d602f4bf52ea24ecdfab
sha512 576aff26506c64aa6774302a41f92a92a3fa251eb9f5ea0c3f74f13a6310deb9133df7ad85365d0222f0c49ab2ba582b4b40661383cc04e871a846012031ce84
ripemd-160 b833ca067d9ae16646e33537c56cbe31e69abb54

72185561 as geometric shapes

Circle

Radius = n
Diameter 144371122
Circumference 453555256.26572
Area 1.637007030902E+16

Sphere

Radius = n
Volume 1.5755769451547E+24
Surface area 6.5480281236079E+16
Circumference 453555256.26572

Square

Length = n
Perimeter 288742244
Area 5210755216884721
Diagonal 102085799.37371

Cube

Length = n
Surface area 31264531301308326
Volume 3.761412885645E+23
Space diagonal 125029059.22486

Equilateral Triangle

Length = n
Perimeter 216556683
Area 2.2563231953622E+15
Altitude 62514529.612431

Triangular Pyramid

Length = n
Surface area 2.2563231953622E+15
Volume 4.4328675971367E+22
Height 34028599.791237