18985243 (number)

18985243 is an odd 8-digits composite number following 18985242 and preceding 18985244. In scientific notation, it is written as 1.8985243 × 10^7. The sum of its digits is 40. It has a total of 3 prime factors and 8 positive divisors. There are 17708544 positive integers (up to 18985243) that are relatively prime to 18985243.

Interesting facts

Basic properties

Name

Name eighteen million nine hundred eighty-five thousand two hundred forty-three

Notation

Scientific notation 1.8985243 × 10^7
Engineering notation 1.8985243 × 10^6

Prime Factorization of 18985243

Prime Factorization 17 × 113 × 9883

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 18985243
Product of the distinct prime numbers

The prime factorization of 18985243 is 17 × 113 × 9883. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18985243)

Multiplication

n×y
n×2 37970486
n×3 56955729
n×4 75940972
n×5 94926215

Division

n÷y
n÷2 9492621.5
n÷3 6328414.3333333
n÷3 4746310.75
n÷5 3797048.6

Exponentiation

ny
n2 360439451769049
n3 6.8430305786222E+21
n4 1.2991659839157E+29
n5 2.4664981901974E+36

Nth Root

y√n
2√n 4357.2058707387
3√n 266.77106346485
4√n 66.009134752235
5√n 28.555070191478

Divisors of 18985243

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 -18985242
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 18985243 can be divided by 8 positive divisors. The sum of these divisors (counting 18985243) is 1, the average is 0.125.

Base conversion 18985243

Base System Value
2 Binary 1001000011011000100011011
3 Ternary 1022201112212011
4 Quaternary 1020123010123
5 Quinary 14330011433
6 Senary 1514530351
8 Octal 110330433
10 Decimal 18985243
12 Duodecimal 64369b7
16 Hexadecimal 121b11b
20 Vigesimal 5id323
36 Base36 bax3v

Cryptographic Hash Functions

md5 050fcc152b31561559f30a031a5c64f1
sha1 e6c1a542aeba961d06c6160d3553e60c2c98fbc2
sha256 25bde22dcc02cc71240db90cb7a1a5d599f8ba7d18853e42c1e666d9b3701e39
sha512 e94813d877d6990a4ab0117d23c12023916786fa9c7323d6fe32042101819f3ad078b129fa33ed1e9f59754d54b5d3a54c458fe7820b28573091eae13df0fcbb
ripemd-160 9a143dc041b72845dddfda866b2112f32865ce6c

18985243 as geometric shapes

Circle

Radius = n
Diameter 37970486
Circumference 119287799.87083
Area 1.1323539337416E+15

Sphere

Radius = n
Volume 2.8664019458786E+22
Surface area 4.5294157349663E+15
Circumference 119287799.87083

Square

Length = n
Perimeter 75940972
Area 360439451769049
Diagonal 26849188.135549

Cube

Length = n
Surface area 2162636710614294
Volume 6.8430305786222E+21
Space diagonal 32883405.470041

Equilateral Triangle

Length = n
Perimeter 56955729
Area 1.5607486087907E+14
Altitude 16441702.735021

Triangular Pyramid

Length = n
Surface area 1.5607486087907E+14
Volume 8.0645888766844E+20
Height 8949729.3785163