20688520 (number)

20688520 is an even 8-digits composite number following 20688519 and preceding 20688521. In scientific notation, it is written as 2.0688520 × 10^7. The sum of its digits is 31. It has a total of 6 prime factors and 32 positive divisors. There are 8169408 positive integers (up to 20688520) that are relatively prime to 20688520.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0688520 × 10^7
Engineering notation 2.0688520 × 10^6

Prime Factorization of 20688520

Prime Factorization 2 × 2 × 2 × 5 × 79 × 6547

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 5172130
Product of the distinct prime numbers

The prime factorization of 20688520 is 2 × 2 × 2 × 5 × 79 × 6547. Since it has a total of 6 prime factors.

Most popular turbo-numbers

9, 9, 49, 70, 940, 663, 5584, 3213, 12392, 34404, 923687, 69292, 1144450, 5917445, 49687673, 39846996, 391450782, 825819508, 3536929418, 3320377617

Basic calculations (n = 20688520)

Multiplication

n×y
n×2 41377040
n×3 62065560
n×4 82754080
n×5 103442600

Division

n÷y
n÷2 10344260
n÷3 6896173.3333333
n÷3 5172130
n÷5 4137704

Exponentiation

ny
n2 428014859790400
n3 8.8549939870709E+21
n4 1.831967202014E+29
n5 3.790069009821E+36

Nth Root

y√n
2√n 4548.4634768238
3√n 274.52157034132
4√n 67.442297386905
5√n 29.049983142478

Divisors of 20688520

1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 790, 1580, 3160, 6547, 13094, 26188, 32735, 52376, 65470, 130940, 261880, 517213, 1034426, 2068852, 2586065, 4137704, 5172130, 10344260, 20688520

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20688519
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20688520 can be divided by 32 positive divisors. The sum of these divisors (counting 20688520) is 1, the average is 0.03125.

Base conversion 20688520

Base System Value
2 Binary 1001110111010111010001000
3 Ternary 1102221002022111
4 Quaternary 1032322322020
5 Quinary 20244013040
6 Senary 2015232104
8 Octal 116727210
10 Decimal 20688520
12 Duodecimal 6b18634
16 Hexadecimal 13bae88
20 Vigesimal 696160
36 Base36 cbfd4

Cryptographic Hash Functions

md5 4ca4bd6bacd742fb5a8ecf8018df1846
sha1 596e28468939efdb81368be503f218ee462e026e
sha256 61c30a788740ec0fe9cedad4077216215e542067d9aa559e69cb04dc3fa5edb0
sha512 18072b73131939b597219d749e3f7e192f2fd58af45231c9f4b699761d34b48a05605c1f597d2aa36cbffab66b2752efe4cb358a4e7209b70073981f4b04c7b7
ripemd-160 5c5029b0a7dcc67c5d9d943bd35c6ed4473c1231

20688520 as geometric shapes

Circle

Radius = n
Diameter 41377040
Circumference 129989804.89129
Area 1.3446483391448E+15

Sphere

Radius = n
Volume 3.7091712076485E+22
Surface area 5.3785933565791E+15
Circumference 129989804.89129

Square

Length = n
Perimeter 82754080
Area 428014859790400
Diagonal 29257985.569427

Cube

Length = n
Surface area 2568089158742400
Volume 8.8549939870709E+21
Space diagonal 35833567.773405

Equilateral Triangle

Length = n
Perimeter 62065560
Area 1.8533587088786E+14
Altitude 17916783.886702

Triangular Pyramid

Length = n
Surface area 1.8533587088786E+14
Volume 1.0435710492707E+21
Height 9752661.8564757