18996985 (number)

18996985 is an odd 8-digits composite number following 18996984 and preceding 18996986. In scientific notation, it is written as 1.8996985 × 10^7. The sum of its digits is 55. It has a total of 3 prime factors and 8 positive divisors. There are 13026480 positive integers (up to 18996985) that are relatively prime to 18996985.

Interesting facts

Basic properties

Name

Name eighteen million nine hundred ninety-six thousand nine hundred eighty-five

Notation

Scientific notation 1.8996985 × 10^7
Engineering notation 1.8996985 × 10^6

Prime Factorization of 18996985

Prime Factorization 5 × 7 × 542771

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 18996985
Product of the distinct prime numbers

The prime factorization of 18996985 is 5 × 7 × 542771. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18996985)

Multiplication

n×y
n×2 37993970
n×3 56990955
n×4 75987940
n×5 94984925

Division

n÷y
n÷2 9498492.5
n÷3 6332328.3333333
n÷3 4749246.25
n÷5 3799397

Exponentiation

ny
n2 360885439090225
n3 6.8557352731154E+21
n4 1.3023830014734E+29
n5 2.4741350343246E+36

Nth Root

y√n
2√n 4358.5530856008
3√n 266.82604968525
4√n 66.019338724352
5√n 28.558601468017

Divisors of 18996985

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 -18996984
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 18996985 can be divided by 8 positive divisors. The sum of these divisors (counting 18996985) is 1, the average is 0.125.

Base conversion 18996985

Base System Value
2 Binary 1001000011101111011111001
3 Ternary 1022202010222001
4 Quaternary 1020131323321
5 Quinary 14330400420
6 Senary 1515101001
8 Octal 110357371
10 Decimal 18996985
12 Duodecimal 6441761
16 Hexadecimal 121def9
20 Vigesimal 5iec95
36 Base36 bb661

Cryptographic Hash Functions

md5 4c4a05214ed3f5f622d325155610cc86
sha1 b4fdb348d90f789093630c9759abee94fc1386ea
sha256 017d481dfde36a1d741a006e922523e25c815f444de09f566fed8901d4cc1476
sha512 cab31cc96ccdb2cb861cf8f22b9cd7d58c37c7dda690ad5d062943867d9e54efaaa0a9c6c56f2beeedb4063d3e7371719ea42a022589f1368fc7776243eff2b8
ripemd-160 c4d5738c401666a85e21840d97498a82773e6863

18996985 as geometric shapes

Circle

Radius = n
Diameter 37993970
Circumference 119361577.03271
Area 1.1337550442334E+15

Sphere

Radius = n
Volume 2.8717236758634E+22
Surface area 4.5350201769335E+15
Circumference 119361577.03271

Square

Length = n
Perimeter 75987940
Area 360885439090225
Diagonal 26865793.831198

Cube

Length = n
Surface area 2165312634541350
Volume 6.8557352731154E+21
Space diagonal 32903743.210624

Equilateral Triangle

Length = n
Perimeter 56990955
Area 1.5626797905402E+14
Altitude 16451871.605312

Triangular Pyramid

Length = n
Surface area 1.5626797905402E+14
Volume 8.0795615027329E+20
Height 8955264.6103994