19809986 (number)

19809986 is an even 8-digits composite number following 19809985 and preceding 19809987. In scientific notation, it is written as 1.9809986 × 10^7. The sum of its digits is 50. It has a total of 3 prime factors and 8 positive divisors. There are 8489988 positive integers (up to 19809986) that are relatively prime to 19809986.

Interesting facts

Basic properties

Name

Name nineteen million eight hundred nine thousand nine hundred eighty-six

Notation

Scientific notation 1.9809986 × 10^7
Engineering notation 1.9809986 × 10^6

Prime Factorization of 19809986

Prime Factorization 2 × 7 × 1414999

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 19809986
Product of the distinct prime numbers

The prime factorization of 19809986 is 2 × 7 × 1414999. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 19809986)

Multiplication

n×y
n×2 39619972
n×3 59429958
n×4 79239944
n×5 99049930

Division

n÷y
n÷2 9904993
n÷3 6603328.6666667
n÷3 4952496.5
n÷5 3961997.2

Exponentiation

ny
n2 392435545320196
n3 7.7741426586954E+21
n4 1.5400565723076E+29
n5 3.0508499136621E+36

Nth Root

y√n
2√n 4450.8410441174
3√n 270.57939592497
4√n 66.714623914981
5√n 28.798961929916

Divisors of 19809986

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 -19809985
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 19809986 can be divided by 8 positive divisors. The sum of these divisors (counting 19809986) is 1, the average is 0.125.

Base conversion 19809986

Base System Value
2 Binary 1001011100100011011000010
3 Ternary 1101021110012012
4 Quaternary 1023210123002
5 Quinary 20032404421
6 Senary 1544332522
8 Octal 113443302
10 Decimal 19809986
12 Duodecimal 6774142
16 Hexadecimal 12e46c2
20 Vigesimal 63g4j6
36 Base36 bslhe

Cryptographic Hash Functions

md5 403107f2d6d98f56f74bbbe36fcad390
sha1 8048242b5ca77f01c16661b6d8bfdfccb2067f36
sha256 5a239ba718f524c4063e354fef074b5559af4ff59cd7fd74d5d1a31d8840de8b
sha512 c4a9eeea3ae67b84214b845a2d7691a02b95aab3cdf0af0e9fbc78b49a5b899c4d040ee9f926e084d04e86af13571e359fcf0aaacce919293e094c1f0c259785
ripemd-160 2e9449b24084b05a0e111ab05397b926e5370617

19809986 as geometric shapes

Circle

Radius = n
Diameter 39619972
Circumference 124469812.97063
Area 1.2328726261854E+15

Sphere

Radius = n
Volume 3.2564252619356E+22
Surface area 4.9314905047417E+15
Circumference 124469812.97063

Square

Length = n
Perimeter 79239944
Area 392435545320196
Diagonal 28015550.871621

Cube

Length = n
Surface area 2354613271921176
Volume 7.7741426586954E+21
Space diagonal 34311902.249228

Equilateral Triangle

Length = n
Perimeter 59429958
Area 1.6992957579764E+14
Altitude 17155951.124614

Triangular Pyramid

Length = n
Surface area 1.6992957579764E+14
Volume 9.1619149864586E+20
Height 9338516.957207