20856688 (number)

20856688 is an even 8-digits composite number following 20856687 and preceding 20856689. In scientific notation, it is written as 2.0856688 × 10^7. The sum of its digits is 43. It has a total of 6 prime factors and 20 positive divisors. There are 9814784 positive integers (up to 20856688) that are relatively prime to 20856688.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0856688 × 10^7
Engineering notation 2.0856688 × 10^6

Prime Factorization of 20856688

Prime Factorization 2 × 2 × 2 × 2 × 17 × 76679

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 2607086
Product of the distinct prime numbers

The prime factorization of 20856688 is 2 × 2 × 2 × 2 × 17 × 76679. Since it has a total of 6 prime factors.

Most popular turbo-numbers

2, 2, 53, 12, 735, 544, 7339, 6216, 25398, 37483, 592204, 453600, 6515993, 3545922, 86564442, 5885584, 127276709, 315918672, 6532305057, 4195536168

Basic calculations (n = 20856688)

Multiplication

n×y
n×2 41713376
n×3 62570064
n×4 83426752
n×5 104283440

Division

n÷y
n÷2 10428344
n÷3 6952229.3333333
n÷3 5214172
n÷5 4171337.6

Exponentiation

ny
n2 435001434329344
n3 9.0726891953596E+21
n4 1.8922624786859E+29
n5 3.9466328132058E+36

Nth Root

y√n
2√n 4566.9123048292
3√n 275.26338622404
4√n 67.57893388349
5√n 29.09705727321

Divisors of 20856688

1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 76679, 153358, 306716, 613432, 1226864, 1303543, 2607086, 5214172, 10428344, 20856688

20 divisors

τ Total Divisors 20
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20856687
Sum of the proper positive divisors of n
A Arithmetic Mean 0.05
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 20
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20856688 can be divided by 20 positive divisors. The sum of these divisors (counting 20856688) is 1, the average is 0.05.

Base conversion 20856688

Base System Value
2 Binary 1001111100011111101110000
3 Ternary 1110020121222221
4 Quaternary 1033203331300
5 Quinary 20314403223
6 Senary 2023010424
8 Octal 117437560
10 Decimal 20856688
12 Duodecimal 6b99a14
16 Hexadecimal 13e3f70
20 Vigesimal 6a71e8
36 Base36 cf14g

Cryptographic Hash Functions

md5 c80e9e098a3906312b6bdf56729fdf23
sha1 855a159d5184a7c7836311cb43fb887f57329c38
sha256 c4232ae7fc26fa75463a6de2b9be5071ff2af6803927d8436607f9ace73c27da
sha512 966a675292b7155a3afd4959a961466b099385ab39a6d8d32efe2d04637d46d4674933f153bbe1317504c3e1f9d849febd6db7922796edd52ce640cf6d42b886
ripemd-160 aaffd565e9426f273f29fe05748d6366935d380f

20856688 as geometric shapes

Circle

Radius = n
Diameter 41713376
Circumference 131046435.59803
Area 1.3665973103901E+15

Sphere

Radius = n
Volume 3.8003591632594E+22
Surface area 5.4663892415604E+15
Circumference 131046435.59803

Square

Length = n
Perimeter 83426752
Area 435001434329344
Diagonal 29495811.035784

Cube

Length = n
Surface area 2610008605976064
Volume 9.0726891953596E+21
Space diagonal 36124843.293612

Equilateral Triangle

Length = n
Perimeter 62570064
Area 1.8836114640594E+14
Altitude 18062421.646806

Triangular Pyramid

Length = n
Surface area 1.8836114640594E+14
Volume 1.0692266756061E+21
Height 9831937.0119281