18985005 (number)

18985005 is an odd 8-digits composite number following 18985004 and preceding 18985006. In scientific notation, it is written as 1.8985005 × 10^7. The sum of its digits is 36. It has a total of 5 prime factors and 24 positive divisors. There are 8312832 positive integers (up to 18985005) that are relatively prime to 18985005.

Interesting facts

Basic properties

Name

Name eighteen million nine hundred eighty-five thousand five

Notation

Scientific notation 1.8985005 × 10^7
Engineering notation 1.8985005 × 10^6

Prime Factorization of 18985005

Prime Factorization 3 × 1495 × 3 × 17 × 83

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 6328335
Product of the distinct prime numbers

The prime factorization of 18985005 is 3 × 1495 × 3 × 17 × 83. Since it has a total of 5 prime factors.

Most popular turbo-numbers

4, 9, 58, 21, 333, 280, 9941, 4036, 61126, 77677, 297861, 854487, 8473473, 7866121, 4493240, 7953062, 728035674, 298438270, 6333101269, 5489950831

Basic calculations (n = 18985005)

Multiplication

n×y
n×2 37970010
n×3 56955015
n×4 75940020
n×5 94925025

Division

n÷y
n÷2 9492502.5
n÷3 6328335
n÷3 4746251.25
n÷5 3797001

Exponentiation

ny
n2 360430414850025
n3 6.8427732280798E+21
n4 1.2991008394896E+29
n5 2.4663435933214E+36

Nth Root

y√n
2√n 4357.1785595727
3√n 266.76994870819
4√n 66.00892787777
5√n 28.554998597548

Divisors of 18985005

1, 3, 9, 17, 51, 83, 153, 249, 747, 1411, 1495, 4233, 4485, 12699, 13455, 25415, 76245, 124085, 228735, 372255, 1116765, 2109445, 6328335, 18985005

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -18985004
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18985005 can be divided by 24 positive divisors. The sum of these divisors (counting 18985005) is 1, the average is 0.041666666666667.

Base conversion 18985005

Base System Value
2 Binary 1001000011011000000101101
3 Ternary 1022201112112100
4 Quaternary 1020123000231
5 Quinary 14330010010
6 Senary 1514525313
8 Octal 110330055
10 Decimal 18985005
12 Duodecimal 6436839
16 Hexadecimal 121b02d
20 Vigesimal 5id2a5
36 Base36 bawx9

Cryptographic Hash Functions

md5 bc8a5e4cf08ce9ee3644c914f9c28c51
sha1 06cc35bfc204dcefae1ff725f856eeb799b5d953
sha256 bca1d6b53651188bd43d6328f9d9336474e44ddffddef6f4b394e48e22b53e48
sha512 9daecb3bde76d055882210fd8faa5e38d7f7e7ea58ff56e58a933aede0f91324b6b914469259bc3878c457dcafbc43675e127f13f2cc5124df29a67772c082cd
ripemd-160 e3cc2e1930f6d80c38bd916ff3b3965c1b01bdaf

18985005 as geometric shapes

Circle

Radius = n
Diameter 37970010
Circumference 119286304.47273
Area 1.1323255434232E+15

Sphere

Radius = n
Volume 2.8662941471355E+22
Surface area 4.5293021736926E+15
Circumference 119286304.47273

Square

Length = n
Perimeter 75940020
Area 360430414850025
Diagonal 26848851.552721

Cube

Length = n
Surface area 2162582489100150
Volume 6.8427732280798E+21
Space diagonal 32882993.241949

Equilateral Triangle

Length = n
Perimeter 56955015
Area 1.5607094777834E+14
Altitude 16441496.620975

Triangular Pyramid

Length = n
Surface area 1.5607094777834E+14
Volume 8.0642855861616E+20
Height 8949617.1842403