20686540 (number)

20686540 is an even 8-digits composite number following 20686539 and preceding 20686541. In scientific notation, it is written as 2.0686540 × 10^7. The sum of its digits is 31. It has a total of 5 prime factors and 24 positive divisors. There are 7092480 positive integers (up to 20686540) that are relatively prime to 20686540.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0686540 × 10^7
Engineering notation 2.0686540 × 10^6

Prime Factorization of 20686540

Prime Factorization 2 × 2 × 5 × 7 × 147761

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 10343270
Product of the distinct prime numbers

The prime factorization of 20686540 is 2 × 2 × 5 × 7 × 147761. Since it has a total of 5 prime factors.

Most popular turbo-numbers

2, 10, 48, 31, 555, 35, 960, 1194, 12891, 53365, 52773, 107204, 3102179, 2648066, 58074252, 71176123, 485931564, 913750345, 6026823461, 6162714501

Basic calculations (n = 20686540)

Multiplication

n×y
n×2 41373080
n×3 62059620
n×4 82746160
n×5 103432700

Division

n÷y
n÷2 10343270
n÷3 6895513.3333333
n÷3 5171635
n÷5 4137308

Exponentiation

ny
n2 427932937171600
n3 8.8524518221178E+21
n4 1.8312659871631E+29
n5 3.7882557094089E+36

Nth Root

y√n
2√n 4548.2458156964
3√n 274.51281234331
4√n 67.440683683489
5√n 29.049427074005

Divisors of 20686540

1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 147761, 295522, 591044, 738805, 1034327, 1477610, 2068654, 2955220, 4137308, 5171635, 10343270, 20686540

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20686539
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20686540 can be divided by 24 positive divisors. The sum of these divisors (counting 20686540) is 1, the average is 0.041666666666667.

Base conversion 20686540

Base System Value
2 Binary 1001110111010011011001100
3 Ternary 1102220222121011
4 Quaternary 1032322123030
5 Quinary 20243432130
6 Senary 2015215004
8 Octal 116723314
10 Decimal 20686540
12 Duodecimal 6b17464
16 Hexadecimal 13ba6cc
20 Vigesimal 695g70
36 Base36 cbdu4

Cryptographic Hash Functions

md5 8477ebd21fe1140aab14b8e82f244721
sha1 1688108069e725f83e35e8ef4bbc1ef2b8023214
sha256 d89d4007d7ae3cb998a15370bdf3baf135ba91b8c879e1077a2d49596dc0e03b
sha512 eddd70e66de8d9302a7b3953b3f409439169ac4b29b2e3df18ad61388973e1eda976b718e65cf60162674d1661e2fa4a8d8b89abf32c81db4a9407b8b03353a4
ripemd-160 37e6424f2321c67f7205dc771c6b8c3e7bf29261

20686540 as geometric shapes

Circle

Radius = n
Diameter 41373080
Circumference 129977364.18438
Area 1.3443909716474E+15

Sphere

Radius = n
Volume 3.708106348083E+22
Surface area 5.3775638865896E+15
Circumference 129977364.18438

Square

Length = n
Perimeter 82746160
Area 427932937171600
Diagonal 29255185.426574

Cube

Length = n
Surface area 2567597623029600
Volume 8.8524518221178E+21
Space diagonal 35830138.312806

Equilateral Triangle

Length = n
Perimeter 62059620
Area 1.8530039735335E+14
Altitude 17915069.156403

Triangular Pyramid

Length = n
Surface area 1.8530039735335E+14
Volume 1.0432714522578E+21
Height 9751728.4755245