20688518 (number)

20688518 is an even 8-digits composite number following 20688517 and preceding 20688519. In scientific notation, it is written as 2.0688518 × 10^7. The sum of its digits is 38. It has a total of 4 prime factors and 16 positive divisors. There are 10021440 positive integers (up to 20688518) that are relatively prime to 20688518.

Interesting facts

Basic properties

Name

Name twenty million six hundred eighty-eight thousand five hundred eighteen

Notation

Scientific notation 2.0688518 × 10^7
Engineering notation 2.0688518 × 10^6

Prime Factorization of 20688518

Prime Factorization 2 × 41 × 157 × 1607

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20688518
Product of the distinct prime numbers

The prime factorization of 20688518 is 2 × 41 × 157 × 1607. Since it has a total of 4 prime factors.

Most popular turbo-numbers

9, 1, 66, 93, 446, 836, 5691, 7711, 39455, 71945, 873043, 908573, 4659380, 3123715, 88307575, 35448681, 317546939, 498687164, 7228827144, 3276585045

Basic calculations (n = 20688518)

Multiplication

n×y
n×2 41377036
n×3 62065554
n×4 82754072
n×5 103442590

Division

n÷y
n÷2 10344259
n÷3 6896172.6666667
n÷3 5172129.5
n÷5 4137703.6

Exponentiation

ny
n2 428014777036324
n3 8.854991418982E+21
n4 1.8319664936145E+29
n5 3.7900671778541E+36

Nth Root

y√n
2√n 4548.4632569693
3√n 274.52156149514
4√n 67.44229575696
5√n 29.049982580815

Divisors of 20688518

1, 2, 41, 82, 157, 314, 1607, 3214, 6437, 12874, 65887, 131774, 252299, 504598, 10344259, 20688518

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 -20688517
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 20688518 can be divided by 16 positive divisors. The sum of these divisors (counting 20688518) is 1, the average is 0.0625.

Base conversion 20688518

Base System Value
2 Binary 1001110111010111010000110
3 Ternary 1102221002022102
4 Quaternary 1032322322012
5 Quinary 20244013033
6 Senary 2015232102
8 Octal 116727206
10 Decimal 20688518
12 Duodecimal 6b18632
16 Hexadecimal 13bae86
20 Vigesimal 69615i
36 Base36 cbfd2

Cryptographic Hash Functions

md5 116f5574b0fbdd290e03cbce62f81157
sha1 022bb5e204da890843249ac2948bbbd9b2dbf414
sha256 1f07eeef52f52f2924c51e2b82c433f8c39ea1ac13274b6cf587320ee519a02a
sha512 05e022107b193f9542176cdbe08b716a1dd80bc92267e598cc33bc731387053037f8b73a0fdb87a3c0a9a1adb912adb40c1b1cfb10d6eb20ab4888e89e0e5739
ripemd-160 3774d45a5a6c420fd89161add10ac82fbae769fa

20688518 as geometric shapes

Circle

Radius = n
Diameter 41377036
Circumference 129989792.32492
Area 1.3446480791652E+15

Sphere

Radius = n
Volume 3.7091701319299E+22
Surface area 5.3785923166608E+15
Circumference 129989792.32492

Square

Length = n
Perimeter 82754072
Area 428014777036324
Diagonal 29257982.741

Cube

Length = n
Surface area 2568088662217944
Volume 8.854991418982E+21
Space diagonal 35833564.309303

Equilateral Triangle

Length = n
Perimeter 62065554
Area 1.8533583505429E+14
Altitude 17916782.154652

Triangular Pyramid

Length = n
Surface area 1.8533583505429E+14
Volume 1.0435707466185E+21
Height 9752660.9136666