20194987 (number)

20194987 is an odd 8-digits composite number following 20194986 and preceding 20194988. In scientific notation, it is written as 2.0194987 × 10^7. The sum of its digits is 40. It has a total of 2 prime factors and 4 positive divisors. There are 20185120 positive integers (up to 20194987) that are relatively prime to 20194987.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0194987 × 10^7
Engineering notation 2.0194987 × 10^6

Prime Factorization of 20194987

Prime Factorization 2897 × 6971

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20194987
Product of the distinct prime numbers

The prime factorization of 20194987 is 2897 × 6971. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20194987)

Multiplication

n×y
n×2 40389974
n×3 60584961
n×4 80779948
n×5 100974935

Division

n÷y
n÷2 10097493.5
n÷3 6731662.3333333
n÷3 5048746.75
n÷5 4038997.4

Exponentiation

ny
n2 407837499930169
n3 8.2362730092023E+21
n4 1.6633142634929E+29
n5 3.3590609928154E+36

Nth Root

y√n
2√n 4493.883287314
3√n 272.321037278
4√n 67.036432537196
5√n 28.910041532798

Divisors of 20194987

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 -20194986
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 20194987 can be divided by 4 positive divisors. The sum of these divisors (counting 20194987) is 1, the average is 0.25.

Base conversion 20194987

Base System Value
2 Binary 1001101000010011010101011
3 Ternary 1102000000022111
4 Quaternary 1031002122223
5 Quinary 20132214422
6 Senary 2000503151
8 Octal 115023253
10 Decimal 20194987
12 Duodecimal 691aab7
16 Hexadecimal 13426ab
20 Vigesimal 664797
36 Base36 c0ujv

Cryptographic Hash Functions

md5 e1ccc0b4bab5c75f527d8130f3bfc9ad
sha1 0d84ae354acde8beb9d534df645215769697bc59
sha256 741454f25ef374694ea7d2699661e38fb79fb98968a05a633a98e1a9986a3736
sha512 95cba77ffb78623386819bb440b01e2034ff07e77f4d49992758f16545f3e3890d51c2f11cfee95d00aa5973fdd319b129f602890874d9c3d7fce07e8c2950fb
ripemd-160 1d5af4cd71290aa075d9b5acc5bb6198516a63a2

20194987 as geometric shapes

Circle

Radius = n
Diameter 40389974
Circumference 126888845.59708
Area 1.281259293639E+15

Sphere

Radius = n
Volume 3.4500019704893E+22
Surface area 5.1250371745562E+15
Circumference 126888845.59708

Square

Length = n
Perimeter 80779948
Area 407837499930169
Diagonal 28560024.507348

Cube

Length = n
Surface area 2447024999581014
Volume 8.2362730092023E+21
Space diagonal 34978743.542193

Equilateral Triangle

Length = n
Perimeter 60584961
Area 1.7659881777773E+14
Altitude 17489371.771096

Triangular Pyramid

Length = n
Surface area 1.7659881777773E+14
Volume 9.7065408275178E+20
Height 9520008.1691161