72561618 (number)

72561618 is an even 8-digits composite number following 72561617 and preceding 72561619. In scientific notation, it is written as 7.2561618 × 10^7. The sum of its digits is 36. It has a total of 4 prime factors and 12 positive divisors. There are 24187200 positive integers (up to 72561618) that are relatively prime to 72561618.

Interesting facts

Basic properties

Name

Name seventy-two million five hundred sixty-one thousand six hundred eighteen

Notation

Scientific notation 7.2561618 × 10^7
Engineering notation 7.2561618 × 10^6

Prime Factorization of 72561618

Prime Factorization 2 × 3 × 3 × 4031201

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 24187206
Product of the distinct prime numbers

The prime factorization of 72561618 is 2 × 3 × 3 × 4031201. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 72561618)

Multiplication

n×y
n×2 145123236
n×3 217684854
n×4 290246472
n×5 362808090

Division

n÷y
n÷2 36280809
n÷3 24187206
n÷3 18140404.5
n÷5 14512323.6

Exponentiation

ny
n2 5265188406777924
n3 3.8205058987065E+23
n4 2.7722208958869E+31
n5 2.0115683365896E+39

Nth Root

y√n
2√n 8518.3107480298
3√n 417.0956425375
4√n 92.294695123987
5√n 37.337169524253

Divisors of 72561618

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -72561617
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 72561618 can be divided by 12 positive divisors. The sum of these divisors (counting 72561618) is 1, the average is 0.083333333333333.

Base conversion 72561618

Base System Value
2 Binary 100010100110011001111010010
3 Ternary 12001112111211100
4 Quaternary 10110303033102
5 Quinary 122033432433
6 Senary 11111125230
8 Octal 424631722
10 Decimal 72561618
12 Duodecimal 20373816
16 Hexadecimal 45333d2
20 Vigesimal 12da40i
36 Base36 1778wi

Cryptographic Hash Functions

md5 8566b5e54f9208e4d14130106443acb5
sha1 4fec51c1ba483cee96e9f6d048abdae3b60147dd
sha256 7de19b27cd39dd3d6c07a869a0acaa86190ba6d348972735be90d0249a2e73fd
sha512 72d84b7ce93e87815c019631a3626fc145e11b154bb8b5486be782acb74e41734abef43bead3ec7e4f7b1e427448b0833d4cdbcba478a2a2d4a4db2bd943c2df
ripemd-160 1d56937e403865a0019ace088d5afbb2c4729d07

72561618 as geometric shapes

Circle

Radius = n
Diameter 145123236
Circumference 455918092.08278
Area 1.65410772185E+16

Sphere

Radius = n
Volume 1.600329768583E+24
Surface area 6.6164308873999E+16
Circumference 455918092.08278

Square

Length = n
Perimeter 290246472
Area 5265188406777924
Diagonal 102617624.28334

Cube

Length = n
Surface area 31591130440667544
Volume 3.8205058987065E+23
Space diagonal 125680409.0554

Equilateral Triangle

Length = n
Perimeter 217684854
Area 2.2798934579905E+15
Altitude 62840204.527702

Triangular Pyramid

Length = n
Surface area 2.2798934579905E+15
Volume 4.5025093808976E+22
Height 34205874.761112