20786890 (number)

20786890 is an even 8-digits composite number following 20786889 and preceding 20786891. In scientific notation, it is written as 2.0786890 × 10^7. The sum of its digits is 40. It has a total of 4 prime factors and 16 positive divisors. There are 8236624 positive integers (up to 20786890) that are relatively prime to 20786890.

Interesting facts

Basic properties

Name

Name twenty million seven hundred eighty-six thousand eight hundred ninety

Notation

Scientific notation 2.0786890 × 10^7
Engineering notation 2.0786890 × 10^6

Prime Factorization of 20786890

Prime Factorization 2 × 5 × 107 × 19427

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20786890
Product of the distinct prime numbers

The prime factorization of 20786890 is 2 × 5 × 107 × 19427. Since it has a total of 4 prime factors.

Most popular turbo-numbers

1, 5, 9, 15, 663, 135, 5543, 8313, 55696, 10265, 659332, 190789, 2589113, 628760, 59694350, 19203683, 404272714, 69662086, 1498022658, 4640609429

Basic calculations (n = 20786890)

Multiplication

n×y
n×2 41573780
n×3 62360670
n×4 83147560
n×5 103934450

Division

n÷y
n÷2 10393445
n÷3 6928963.3333333
n÷3 5196722.5
n÷5 4157378

Exponentiation

ny
n2 432094795872100
n3 8.9819069913658E+21
n4 1.8670591261975E+29
n5 3.8810352679764E+36

Nth Root

y√n
2√n 4559.2641950209
3√n 274.95598193531
4√n 67.522323679069
5√n 29.077556185574

Divisors of 20786890

1, 2, 5, 10, 107, 214, 535, 1070, 19427, 38854, 97135, 194270, 2078689, 4157378, 10393445, 20786890

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 -20786889
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 20786890 can be divided by 16 positive divisors. The sum of these divisors (counting 20786890) is 1, the average is 0.0625.

Base conversion 20786890

Base System Value
2 Binary 1001111010010111011001010
3 Ternary 1110010002020211
4 Quaternary 1033102323022
5 Quinary 20310140030
6 Senary 2021311334
8 Octal 117227312
10 Decimal 20786890
12 Duodecimal 6b6554a
16 Hexadecimal 13d2eca
20 Vigesimal 69i74a
36 Base36 cdj9m

Cryptographic Hash Functions

md5 7c3eb1ea2db57afb330400f90ead1a71
sha1 f37c95017ac4016ea0294d35ba398eccf1d225a2
sha256 7af342a68e5548a8f8f4a48c9aff407a04e91f05d28b2cacb9411ee2a7cfad76
sha512 921dd755dbd2e004b4a700e4bc7376611ff30da620165b1224a50fda62324ef7a10e8659157bf0cd5c65430cced6f220686b82cf73349b620066f41ff969db49
ripemd-160 861c1ddd831d0806c8ff897d60e877fcc30c8002

20786890 as geometric shapes

Circle

Radius = n
Diameter 41573780
Circumference 130607881.82996
Area 1.3574658363662E+15

Sphere

Radius = n
Volume 3.7623324025735E+22
Surface area 5.4298633454647E+15
Circumference 130607881.82996

Square

Length = n
Perimeter 83147560
Area 432094795872100
Diagonal 29397101.757558

Cube

Length = n
Surface area 2592568775232600
Volume 8.9819069913658E+21
Space diagonal 36003949.611345

Equilateral Triangle

Length = n
Perimeter 62360670
Area 1.8710253503414E+14
Altitude 18001974.805673

Triangular Pyramid

Length = n
Surface area 1.8710253503414E+14
Volume 1.0585278902636E+21
Height 9799033.9191859