20686720 (number)

20686720 is an even 8-digits composite number following 20686719 and preceding 20686721. In scientific notation, it is written as 2.0686720 × 10^7. The sum of its digits is 31. It has a total of 9 prime factors and 32 positive divisors. There are 8274432 positive integers (up to 20686720) that are relatively prime to 20686720.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0686720 × 10^7
Engineering notation 2.0686720 × 10^6

Prime Factorization of 20686720

Prime Factorization 2 × 2 × 2 × 2 × 2 × 2 × 2 × 5 × 32323

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 9
Total number of prime factors
rad Radical 323230
Product of the distinct prime numbers

The prime factorization of 20686720 is 2 × 2 × 2 × 2 × 2 × 2 × 2 × 5 × 32323. Since it has a total of 9 prime factors.

Most popular turbo-numbers

3, 10, 28, 35, 150, 328, 7288, 4348, 47945, 82271, 895696, 834586, 2556792, 3963015, 19966953, 34347649, 986773403, 945516373, 6535972781, 7750821420

Basic calculations (n = 20686720)

Multiplication

n×y
n×2 41373440
n×3 62060160
n×4 82746880
n×5 103433600

Division

n÷y
n÷2 10343360
n÷3 6895573.3333333
n÷3 5171680
n÷5 4137344

Exponentiation

ny
n2 427940384358400
n3 8.8526829079146E+21
n4 1.8313297256482E+29
n5 3.788420526216E+36

Nth Root

y√n
2√n 4548.2656035021
3√n 274.51360854804
4√n 67.440830388586
5√n 29.049477627444

Divisors of 20686720

1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 32323, 64646, 129292, 161615, 258584, 323230, 517168, 646460, 1034336, 1292920, 2068672, 2585840, 4137344, 5171680, 10343360, 20686720

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 -20686719
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 20686720 can be divided by 32 positive divisors. The sum of these divisors (counting 20686720) is 1, the average is 0.03125.

Base conversion 20686720

Base System Value
2 Binary 1001110111010011110000000
3 Ternary 1102220222211211
4 Quaternary 1032322132000
5 Quinary 20243433340
6 Senary 2015215504
8 Octal 116723600
10 Decimal 20686720
12 Duodecimal 6b17594
16 Hexadecimal 13ba780
20 Vigesimal 695gg0
36 Base36 cbdz4

Cryptographic Hash Functions

md5 eb38d39ce880157025df79666c0f2849
sha1 a4ad06ca2d431183888f52c743a424019d44c273
sha256 307e942ac97d825c0652be010a698eae83a5a4be7f1b4ea81f0d62552b488c36
sha512 ae1cf73704f832745c6a13f5bec8591bd10c9c6ed4be896567bfd0cfb8a70ea170b1c7165e9ba9b838cc21169b304865c807ba93f158609f0ab3924bde2daf2a
ripemd-160 44979b320051d42435ecd0263326283fd9c56360

20686720 as geometric shapes

Circle

Radius = n
Diameter 41373440
Circumference 129978495.15774
Area 1.3444143676747E+15

Sphere

Radius = n
Volume 3.7082031450753E+22
Surface area 5.377657470699E+15
Circumference 129978495.15774

Square

Length = n
Perimeter 82746880
Area 427940384358400
Diagonal 29255439.985015

Cube

Length = n
Surface area 2567642306150400
Volume 8.8526829079146E+21
Space diagonal 35830450.081951

Equilateral Triangle

Length = n
Perimeter 62060160
Area 1.8530362207983E+14
Altitude 17915225.040976

Triangular Pyramid

Length = n
Surface area 1.8530362207983E+14
Volume 1.0432986859801E+21
Height 9751813.3283383