18985265 (number)

18985265 is an odd 8-digits composite number following 18985264 and preceding 18985266. In scientific notation, it is written as 1.8985265 × 10^7. The sum of its digits is 44. It has a total of 3 prime factors and 8 positive divisors. There are 14019840 positive integers (up to 18985265) that are relatively prime to 18985265.

Interesting facts

Basic properties

Name

Name eighteen million nine hundred eighty-five thousand two hundred sixty-five

Notation

Scientific notation 1.8985265 × 10^7
Engineering notation 1.8985265 × 10^6

Prime Factorization of 18985265

Prime Factorization 5 × 13 × 292081

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 18985265
Product of the distinct prime numbers

The prime factorization of 18985265 is 5 × 13 × 292081. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18985265)

Multiplication

n×y
n×2 37970530
n×3 56955795
n×4 75941060
n×5 94926325

Division

n÷y
n÷2 9492632.5
n÷3 6328421.6666667
n÷3 4746316.25
n÷5 3797053

Exponentiation

ny
n2 360440287120225
n3 6.8430543676536E+21
n4 1.2991720057931E+29
n5 2.4665124810564E+36

Nth Root

y√n
2√n 4357.2083952916
3√n 266.77116650911
4√n 66.009153874987
5√n 28.555076809368

Divisors of 18985265

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 -18985264
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 18985265 can be divided by 8 positive divisors. The sum of these divisors (counting 18985265) is 1, the average is 0.125.

Base conversion 18985265

Base System Value
2 Binary 1001000011011000100110001
3 Ternary 1022201112212222
4 Quaternary 1020123010301
5 Quinary 14330012030
6 Senary 1514530425
8 Octal 110330461
10 Decimal 18985265
12 Duodecimal 6436a15
16 Hexadecimal 121b131
20 Vigesimal 5id335
36 Base36 bax4h

Cryptographic Hash Functions

md5 2b399c9064f09352f3233a713a491cda
sha1 a4ec5318cfda5143fe3386baab9c29ab86976429
sha256 a31f664e1e6ab62b6a33a3e7e3e9ce58e62bc240fa70423182f6ab3ab78605d3
sha512 2f612f4da2fd550bd98c3a8126f53cf5d36263a14a2e870a90615d3e1fd9a78fd90c06fa26242c8082b5275e81f5580975c5040057f660eaa7ac181aff4d9ab0
ripemd-160 6077d97cd2686f0261fa84cccd3d742360623717

18985265 as geometric shapes

Circle

Radius = n
Diameter 37970530
Circumference 119287938.10091
Area 1.1323565580747E+15

Sphere

Radius = n
Volume 2.8664119106048E+22
Surface area 4.5294262322988E+15
Circumference 119287938.10091

Square

Length = n
Perimeter 75941060
Area 360440287120225
Diagonal 26849219.248247

Cube

Length = n
Surface area 2162641722721350
Volume 6.8430543676536E+21
Space diagonal 32883443.575159

Equilateral Triangle

Length = n
Perimeter 56955795
Area 1.5607522259674E+14
Altitude 16441721.78758

Triangular Pyramid

Length = n
Surface area 1.5607522259674E+14
Volume 8.0646169123268E+20
Height 8949739.7494157