20199987 (number)

20199987 is an odd 8-digits composite number following 20199986 and preceding 20199988. In scientific notation, it is written as 2.0199987 × 10^7. The sum of its digits is 45. It has a total of 3 prime factors and 8 positive divisors. There are 13441968 positive integers (up to 20199987) that are relatively prime to 20199987.

Interesting facts

Basic properties

Name

Name twenty million one hundred ninety-nine thousand nine hundred eighty-seven

Notation

Scientific notation 2.0199987 × 10^7
Engineering notation 2.0199987 × 10^6

Prime Factorization of 20199987

Prime Factorization 9 × 647 × 3469

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20199987
Product of the distinct prime numbers

The prime factorization of 20199987 is 9 × 647 × 3469. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20199987)

Multiplication

n×y
n×2 40399974
n×3 60599961
n×4 80799948
n×5 100999935

Division

n÷y
n÷2 10099993.5
n÷3 6733329
n÷3 5049996.75
n÷5 4039997.4

Exponentiation

ny
n2 408039474800169
n3 8.2423920864502E+21
n4 1.664962129952E+29
n5 3.3632213380522E+36

Nth Root

y√n
2√n 4494.4395646176
3√n 272.34350973334
4√n 67.040581475831
5√n 28.911472936486

Divisors of 20199987

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 -20199986
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 20199987 can be divided by 8 positive divisors. The sum of these divisors (counting 20199987) is 1, the average is 0.125.

Base conversion 20199987

Base System Value
2 Binary 1001101000011101000110011
3 Ternary 1102000021011200
4 Quaternary 1031003220303
5 Quinary 20132344422
6 Senary 2000542243
8 Octal 115035063
10 Decimal 20199987
12 Duodecimal 6921983
16 Hexadecimal 1343a33
20 Vigesimal 664jj7
36 Base36 c0yer

Cryptographic Hash Functions

md5 3c40f71c06d48d37f00f75db5be40014
sha1 ccba5f100d7ebd1729129d28fbbf875fada39d80
sha256 fcd3c9366c546dc585574416b4a22ede47483fac641afcdead0c910d0587e0d4
sha512 7dc029c29e18259602be77946d18e8a2a05518d0379cbdfba7af4b13ac8e8a288fc814a1643147bcf1da19e5def187528544bc9a7d9e4e2bd1de16d7e6483153
ripemd-160 a43483f11fe2da8ae407cbddf1d53bfbaa1b3f80

20199987 as geometric shapes

Circle

Radius = n
Diameter 40399974
Circumference 126920261.52362
Area 1.2818938164068E+15

Sphere

Radius = n
Volume 3.4525651235732E+22
Surface area 5.1275752656274E+15
Circumference 126920261.52362

Square

Length = n
Perimeter 80799948
Area 408039474800169
Diagonal 28567095.57516

Cube

Length = n
Surface area 2448236848801014
Volume 8.2423920864502E+21
Space diagonal 34987403.796231

Equilateral Triangle

Length = n
Perimeter 60599961
Area 1.766862754619E+14
Altitude 17493701.898115

Triangular Pyramid

Length = n
Surface area 1.766862754619E+14
Volume 9.7137522292122E+20
Height 9522365.1917201