20390986 (number)

20390986 is an even 8-digits composite number following 20390985 and preceding 20390987. In scientific notation, it is written as 2.0390986 × 10^7. The sum of its digits is 37. It has a total of 4 prime factors and 16 positive divisors. There are 7944480 positive integers (up to 20390986) that are relatively prime to 20390986.

Interesting facts

Basic properties

Name

Name twenty million three hundred ninety thousand nine hundred eighty-six

Notation

Scientific notation 2.0390986 × 10^7
Engineering notation 2.0390986 × 10^6

Prime Factorization of 20390986

Prime Factorization 2 × 11 × 7 × 132409

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20390986
Product of the distinct prime numbers

The prime factorization of 20390986 is 2 × 11 × 7 × 132409. Since it has a total of 4 prime factors.

Most popular turbo-numbers

2, 3, 49, 57, 168, 544, 6041, 5133, 68089, 62209, 511603, 610172, 1703038, 6696594, 91732902, 99690655, 227391957, 109303937, 9600628423, 8128045292

Basic calculations (n = 20390986)

Multiplication

n×y
n×2 40781972
n×3 61172958
n×4 81563944
n×5 101954930

Division

n÷y
n÷2 10195493
n÷3 6796995.3333333
n÷3 5097746.5
n÷5 4078197.2

Exponentiation

ny
n2 415792310052196
n3 8.478415173182E+21
n4 1.7288324509854E+29
n5 3.5252598304389E+36

Nth Root

y√n
2√n 4515.6379394278
3√n 273.19919090386
4√n 67.198496556306
5√n 28.965941236886

Divisors of 20390986

1, 2, 7, 11, 14, 22, 77, 154, 132409, 264818, 926863, 1456499, 1853726, 2912998, 10195493, 20390986

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 -20390985
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 20390986 can be divided by 16 positive divisors. The sum of these divisors (counting 20390986) is 1, the average is 0.0625.

Base conversion 20390986

Base System Value
2 Binary 1001101110010010001001010
3 Ternary 1102100222011201
4 Quaternary 1031302101022
5 Quinary 20210002421
6 Senary 2005014414
8 Octal 115622112
10 Decimal 20390986
12 Duodecimal 69b440a
16 Hexadecimal 137244a
20 Vigesimal 678h96
36 Base36 c51sa

Cryptographic Hash Functions

md5 a2e554eaec2196136efdb325a9fa60a3
sha1 fed530926a0c32b4f998c522ad977d60293ce517
sha256 eecb4de5432c7fafb96fbc3d1014f408ef639ce9741db6c0045bffbeb961319d
sha512 b854000d6245a6b46ec6ab25c9f46331f15c8d7683a598d9b59d64e44636c01b2b7dab26f8e24aa9e35bcd5b8d0e458ea488e6d3d2c094982c8ec843fd629467
ripemd-160 b62b668c0b118bd763a4e3fc3ceede67d4f5aa5f

20390986 as geometric shapes

Circle

Radius = n
Diameter 40781972
Circumference 128120343.6341
Area 1.3062500666791E+15

Sphere

Radius = n
Volume 3.5514302429537E+22
Surface area 5.2250002667164E+15
Circumference 128120343.6341

Square

Length = n
Perimeter 81563944
Area 415792310052196
Diagonal 28837208.95136

Cube

Length = n
Surface area 2494753860313176
Volume 8.478415173182E+21
Space diagonal 35318223.768426

Equilateral Triangle

Length = n
Perimeter 61172958
Area 1.8004335160171E+14
Altitude 17659111.884213

Triangular Pyramid

Length = n
Surface area 1.8004335160171E+14
Volume 9.9919081044532E+20
Height 9612402.9837866