20687686 (number)

20687686 is an even 8-digits composite number following 20687685 and preceding 20687687. In scientific notation, it is written as 2.0687686 × 10^7. The sum of its digits is 43. It has a total of 3 prime factors and 8 positive divisors. There are 10283880 positive integers (up to 20687686) that are relatively prime to 20687686.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0687686 × 10^7
Engineering notation 2.0687686 × 10^6

Prime Factorization of 20687686

Prime Factorization 2 × 173 × 59791

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20687686
Product of the distinct prime numbers

The prime factorization of 20687686 is 2 × 173 × 59791. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20687686)

Multiplication

n×y
n×2 41375372
n×3 62063058
n×4 82750744
n×5 103438430

Division

n÷y
n÷2 10343843
n÷3 6895895.3333333
n÷3 5171921.5
n÷5 4137537.2

Exponentiation

ny
n2 427980352034596
n3 8.8539231370612E+21
n4 1.8316718172766E+29
n5 3.7893051410867E+36

Nth Root

y√n
2√n 4548.3717965883
3√n 274.51788143452
4√n 67.441617689586
5√n 29.049748924887

Divisors of 20687686

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20687685
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20687686 can be divided by 8 positive divisors. The sum of these divisors (counting 20687686) is 1, the average is 0.125.

Base conversion 20687686

Base System Value
2 Binary 1001110111010101101000110
3 Ternary 1102221001011121
4 Quaternary 1032322231012
5 Quinary 20244001221
6 Senary 2015224154
8 Octal 116725506
10 Decimal 20687686
12 Duodecimal 6b1805a
16 Hexadecimal 13bab46
20 Vigesimal 695j46
36 Base36 cbepy

Cryptographic Hash Functions

md5 e62fd87d4d089ca7a3efe89626cadc26
sha1 b9202f868466e9183df699f42d5436e6fb1d99d6
sha256 27470ffd275efcd4680bab5f3be0292395d769c49833b7f20412cf9ca543c547
sha512 957262e8fcfca6f08dd908c3b3af9c387dc67140317b462391ffac9059a091b7e44e503d76aed2fd818fc7bfab308ddcbaf45c8870e597dbfdcd3dd757e1e5d7
ripemd-160 a8957678bbbb13133bfc5964d95681e07e000f7a

20687686 as geometric shapes

Circle

Radius = n
Diameter 41375372
Circumference 129984564.71474
Area 1.3445399298327E+15

Sphere

Radius = n
Volume 3.7087226510453E+22
Surface area 5.3781597193306E+15
Circumference 129984564.71474

Square

Length = n
Perimeter 82750744
Area 427980352034596
Diagonal 29256806.115316

Cube

Length = n
Surface area 2567882112207576
Volume 8.8539231370612E+21
Space diagonal 35832123.243031

Equilateral Triangle

Length = n
Perimeter 62063058
Area 1.8532092859128E+14
Altitude 17916061.621516

Triangular Pyramid

Length = n
Surface area 1.8532092859128E+14
Volume 1.0434448483867E+21
Height 9752268.7051053