20842986 (number)

20842986 is an even 8-digits composite number following 20842985 and preceding 20842987. In scientific notation, it is written as 2.0842986 × 10^7. The sum of its digits is 39. It has a total of 4 prime factors and 16 positive divisors. There are 6483456 positive integers (up to 20842986) that are relatively prime to 20842986.

Interesting facts

Basic properties

Name

Name twenty million eight hundred forty-two thousand nine hundred eighty-six

Notation

Scientific notation 2.0842986 × 10^7
Engineering notation 2.0842986 × 10^6

Prime Factorization of 20842986

Prime Factorization 2 × 51 × 1609 × 127

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20842986
Product of the distinct prime numbers

The prime factorization of 20842986 is 2 × 51 × 1609 × 127. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20842986)

Multiplication

n×y
n×2 41685972
n×3 62528958
n×4 83371944
n×5 104214930

Division

n÷y
n÷2 10421493
n÷3 6947662
n÷3 5210746.5
n÷5 4168597.2

Exponentiation

ny
n2 434430065396196
n3 9.054819771032E+21
n4 1.8872948172014E+29
n5 3.9336859452802E+36

Nth Root

y√n
2√n 4565.4119200791
3√n 275.20309405042
4√n 67.567831991851
5√n 29.093233150332

Divisors of 20842986

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20842985
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20842986 can be divided by 16 positive divisors. The sum of these divisors (counting 20842986) is 1, the average is 0.0625.

Base conversion 20842986

Base System Value
2 Binary 1001111100000100111101010
3 Ternary 1110012221012110
4 Quaternary 1033200213222
5 Quinary 20313433421
6 Senary 2022423150
8 Octal 117404752
10 Decimal 20842986
12 Duodecimal 6b91ab6
16 Hexadecimal 13e09ea
20 Vigesimal 6a5796
36 Base36 ceqju

Cryptographic Hash Functions

md5 e4d610a272680cabbb648d2db57cc6da
sha1 0d6e762a229333804820b4d3d8fc319ad0b07b70
sha256 1c79f3fdc72c992e054cf4f52bf9471fe485c83f1f8d04429e22ed39bc216e79
sha512 22b6ddb9cbb6a2f2dc6bdaa94183cf04d02e5f4d493b333dac330b8a4f48cdbca5d643abe9055ccdd281c74f70a1ceea0055d6b4ff35120404999b196e238990
ripemd-160 3f2f901505f65d57128c61c20aca8a8c7aa9d77a

20842986 as geometric shapes

Circle

Radius = n
Diameter 41685972
Circumference 130960343.39295
Area 1.3648023019472E+15

Sphere

Radius = n
Volume 3.7928740363005E+22
Surface area 5.4592092077889E+15
Circumference 130960343.39295

Square

Length = n
Perimeter 83371944
Area 434430065396196
Diagonal 29476433.481553

Cube

Length = n
Surface area 2606580392377176
Volume 9.054819771032E+21
Space diagonal 36101110.733447

Equilateral Triangle

Length = n
Perimeter 62528958
Area 1.8811373640042E+14
Altitude 18050555.366723

Triangular Pyramid

Length = n
Surface area 1.8811373640042E+14
Volume 1.0671207437531E+21
Height 9825477.8271842