19990018 (number)

19990018 is an even 8-digits composite number following 19990017 and preceding 19990019. In scientific notation, it is written as 1.9990018 × 10^7. The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors. There are 9995008 positive integers (up to 19990018) that are relatively prime to 19990018.

Interesting facts

Basic properties

Name

Name nineteen million nine hundred ninety thousand eighteen

Notation

Scientific notation 1.9990018 × 10^7
Engineering notation 1.9990018 × 10^6

Prime Factorization of 19990018

Prime Factorization 2 × 9995009

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 19990018
Product of the distinct prime numbers

The prime factorization of 19990018 is 2 × 9995009. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 19990018)

Multiplication

n×y
n×2 39980036
n×3 59970054
n×4 79960072
n×5 99950090

Division

n÷y
n÷2 9995009
n÷3 6663339.3333333
n÷3 4997504.5
n÷5 3998003.6

Exponentiation

ny
n2 399600819640324
n3 7.9880275774248E+21
n4 1.5968081505722E+29
n5 3.1920223672485E+36

Nth Root

y√n
2√n 4471.0197941857
3√n 271.3965952834
4√n 66.865684728309
5√n 28.851117336876

Divisors of 19990018

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 -19990017
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 19990018 can be divided by 4 positive divisors. The sum of these divisors (counting 19990018) is 1, the average is 0.25.

Base conversion 19990018

Base System Value
2 Binary 1001100010000011000000010
3 Ternary 1101121121011001
4 Quaternary 1030100120002
5 Quinary 20104140033
6 Senary 1552242214
8 Octal 114203002
10 Decimal 19990018
12 Duodecimal 684036a
16 Hexadecimal 1310602
20 Vigesimal 64if0i
36 Base36 bwgea

Cryptographic Hash Functions

md5 86fd315b42eeea404439a0229e4e8534
sha1 da6fe88a4fb07a7d419348d78bba0271ee720de2
sha256 05ec5008dfd9858f0d491cade6dd00a2ad15f4d9f9491bc18a3febac0f9a43da
sha512 c393721501cfe3e26bdc8b270ea3553f1d9570d9d7ff3d98461895690c5d1e56b0869f601c11c441e00e80bc428d41fcd2b848dd78e7d28d38e2b5dc343d94ae
ripemd-160 b0f548d3605b7a90e54a309fecf8e4c0c84992bf

19990018 as geometric shapes

Circle

Radius = n
Diameter 39980036
Circumference 125600987.38786
Area 1.2553829993505E+15

Sphere

Radius = n
Volume 3.3460171671881E+22
Surface area 5.021531997402E+15
Circumference 125600987.38786

Square

Length = n
Perimeter 79960072
Area 399600819640324
Diagonal 28270154.567682

Cube

Length = n
Surface area 2397604917841944
Volume 7.9880275774248E+21
Space diagonal 34623726.820216

Equilateral Triangle

Length = n
Perimeter 59970054
Area 1.730322305908E+14
Altitude 17311863.410108

Triangular Pyramid

Length = n
Surface area 1.730322305908E+14
Volume 9.4139807805037E+20
Height 9423384.8558941