20512688 (number)

20512688 is an even 8-digits composite number following 20512687 and preceding 20512689. In scientific notation, it is written as 2.0512688 × 10^7. The sum of its digits is 32. It has a total of 7 prime factors and 40 positive divisors. There are 8407872 positive integers (up to 20512688) that are relatively prime to 20512688.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0512688 × 10^7
Engineering notation 2.0512688 × 10^6

Prime Factorization of 20512688

Prime Factorization 2 × 2 × 2 × 2 × 7 × 23 × 7963

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 2564086
Product of the distinct prime numbers

The prime factorization of 20512688 is 2 × 2 × 2 × 2 × 7 × 23 × 7963. Since it has a total of 7 prime factors.

Most popular turbo-numbers

1, 5, 99, 65, 561, 50, 8699, 2452, 71934, 70491, 313479, 793540, 242199, 2371390, 56942890, 16974999, 730997555, 604353388, 4298720641, 1122901010

Basic calculations (n = 20512688)

Multiplication

n×y
n×2 41025376
n×3 61538064
n×4 82050752
n×5 102563440

Division

n÷y
n÷2 10256344
n÷3 6837562.6666667
n÷3 5128172
n÷5 4102537.6

Exponentiation

ny
n2 420770368985344
n3 8.6311312986412E+21
n4 1.7704770341606E+29
n5 3.6317243012902E+36

Nth Root

y√n
2√n 4529.0935075355
3√n 273.74163579596
4√n 67.298540159022
5√n 29.000435174651

Divisors of 20512688

1, 2, 4, 7, 8, 14, 16, 23, 28, 46, 56, 92, 112, 161, 184, 322, 368, 644, 1288, 2576, 7963, 15926, 31852, 55741, 63704, 111482, 127408, 183149, 222964, 366298, 445928, 732596, 891856, 1282043, 1465192, 2564086, 2930384, 5128172, 10256344, 20512688

40 divisors

τ Total Divisors 40
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20512687
Sum of the proper positive divisors of n
A Arithmetic Mean 0.025
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 40
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20512688 can be divided by 40 positive divisors. The sum of these divisors (counting 20512688) is 1, the average is 0.025.

Base conversion 20512688

Base System Value
2 Binary 1001110001111111110110000
3 Ternary 1102121011010012
4 Quaternary 1032033332300
5 Quinary 20222401223
6 Senary 2011354052
8 Octal 116177660
10 Decimal 20512688
12 Duodecimal 6a52928
16 Hexadecimal 138ffb0
20 Vigesimal 6841e8
36 Base36 c7now

Cryptographic Hash Functions

md5 ec8a00417fe0473064b3c54e1a579892
sha1 5024b9e61a4e0d6ac264fa7f0d041e784daf2816
sha256 694b66f98e9b4f1ffd8cb51bc63207f151d8a21ffd297d9c4c0f3b93ebeb51f4
sha512 80f8afba4e575681106f858d4cbefa03dffb91d6e7831308632e580195ef3b95b52bf0cc5cc80b4979574e37fee45001e70f8b8c540bc3516cb6d42796270ed4
ripemd-160 4649bc5a21d9056b18ad2d41fa6e010521c555dd

20512688 as geometric shapes

Circle

Radius = n
Diameter 41025376
Circumference 128885019.85236
Area 1.3218891000526E+15

Sphere

Radius = n
Volume 3.6153998239974E+22
Surface area 5.2875564002105E+15
Circumference 128885019.85236

Square

Length = n
Perimeter 82050752
Area 420770368985344
Diagonal 29009321.570328

Cube

Length = n
Surface area 2524622213912064
Volume 8.6311312986412E+21
Space diagonal 35529017.815808

Equilateral Triangle

Length = n
Perimeter 61538064
Area 1.8219891435053E+14
Altitude 17764508.907904

Triangular Pyramid

Length = n
Surface area 1.8219891435053E+14
Volume 1.0171885784301E+21
Height 9669773.8567759