18984985 (number)

18984985 is an odd 8-digits composite number following 18984984 and preceding 18984986. In scientific notation, it is written as 1.8984985 × 10^7. The sum of its digits is 52. It has a total of 2 prime factors and 4 positive divisors. There are 15187984 positive integers (up to 18984985) that are relatively prime to 18984985.

Interesting facts

Basic properties

Name

Name eighteen million nine hundred eighty-four thousand nine hundred eighty-five

Notation

Scientific notation 1.8984985 × 10^7
Engineering notation 1.8984985 × 10^6

Prime Factorization of 18984985

Prime Factorization 5 × 3796997

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 18984985
Product of the distinct prime numbers

The prime factorization of 18984985 is 5 × 3796997. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18984985)

Multiplication

n×y
n×2 37969970
n×3 56954955
n×4 75939940
n×5 94924925

Division

n÷y
n÷2 9492492.5
n÷3 6328328.3333333
n÷3 4746246.25
n÷5 3796997

Exponentiation

ny
n2 360429655450225
n3 6.8427516022777E+21
n4 1.2990953652797E+29
n5 2.4663306023404E+36

Nth Root

y√n
2√n 4357.1762645089
3√n 266.76985503073
4√n 66.008910493273
5√n 28.554992581219

Divisors of 18984985

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -18984984
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18984985 can be divided by 4 positive divisors. The sum of these divisors (counting 18984985) is 1, the average is 0.25.

Base conversion 18984985

Base System Value
2 Binary 1001000011011000000011001
3 Ternary 1022201112111121
4 Quaternary 1020123000121
5 Quinary 14330004420
6 Senary 1514525241
8 Octal 110330031
10 Decimal 18984985
12 Duodecimal 6436821
16 Hexadecimal 121b019
20 Vigesimal 5id295
36 Base36 bawwp

Cryptographic Hash Functions

md5 1ca2ba91e799082dd302b44e72726813
sha1 e6b1a8a4cbc33b98857c4c87b5aeeaa1ee191dd8
sha256 628aca859882b02cf27f96c0ac68f5abe98b3a0e639e1a323c382154979da7a3
sha512 55f1a75ae8bd2752226120c6a7fd2cd2c3a121af7e750fb9fd6fbc31ea65b65c50ccf18421702b5cf4ea6717ee8fb10f89059767a7854f96d30c49c620a394d5
ripemd-160 7f8f9ad5784940d2adac0051f95a6641d3d84246

18984985 as geometric shapes

Circle

Radius = n
Diameter 37969970
Circumference 119286178.80902
Area 1.1323231576983E+15

Sphere

Radius = n
Volume 2.8662850885407E+22
Surface area 4.5292926307933E+15
Circumference 119286178.80902

Square

Length = n
Perimeter 75939940
Area 360429655450225
Diagonal 26848823.26845

Cube

Length = n
Surface area 2162577932701350
Volume 6.8427516022777E+21
Space diagonal 32882958.600933

Equilateral Triangle

Length = n
Perimeter 56954955
Area 1.5607061894858E+14
Altitude 16441479.300467

Triangular Pyramid

Length = n
Surface area 1.5607061894858E+14
Volume 8.0642600999094E+20
Height 8949607.7561499