20686871 (number)

20686871 is an odd 8-digits prime number following 20686870 and preceding 20686872. In scientific notation, it is written as 2.0686871 × 10^7. The sum of its digits is 38. It has a total of 1 prime factors and 2 positive divisors. There are 20686870 positive integers (up to 20686871) that are relatively prime to 20686871.

Interesting facts

Basic properties

Name

Name twenty million six hundred eighty-six thousand eight hundred seventy-one

Notation

Scientific notation 2.0686871 × 10^7
Engineering notation 2.0686871 × 10^6

Prime Factorization of 20686871

Prime Factorization 20686871

Composite number
ω Distinct Factors 1
Total number of distinct prime factors
Ω Total Factors 1
Total number of prime factors
rad Radical 20686871
Product of the distinct prime numbers

The prime factorization of 20686871 is 20686871. Since it has a total of 1 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20686871)

Multiplication

n×y
n×2 41373742
n×3 62060613
n×4 82747484
n×5 103434355

Division

n÷y
n÷2 10343435.5
n÷3 6895623.6666667
n÷3 5171717.75
n÷5 4137374.2

Exponentiation

ny
n2 427946631770641
n3 8.8528767663238E+21
n4 1.8313831964384E+29
n5 3.7885587936288E+36

Nth Root

y√n
2√n 4548.282203206
3√n 274.51427647178
4√n 67.440953457124
5√n 29.04952003589

Divisors of 20686871

2 divisors

τ Total Divisors 2
Total number of the positive divisors of n
σ Sum of Divisors 20686872
Sum of all the positive divisors of n
s Aliquot Sum 1
Sum of the proper positive divisors of n
A Arithmetic Mean 10343436
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 4548.2823131376
Returns the nth root of the product of n divisors
H Harmonic Mean 1.9999999033203
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20686871 can be divided by 2 positive divisors. The sum of these divisors (counting 20686871) is 20686872, the average is 10343436.

Base conversion 20686871

Base System Value
2 Binary 1001110111010100000010111
3 Ternary 1102221000001102
4 Quaternary 1032322200113
5 Quinary 20243434441
6 Senary 2015220315
8 Octal 116724027
10 Decimal 20686871
12 Duodecimal 6b1769b
16 Hexadecimal 13ba817
20 Vigesimal 695h3b
36 Base36 cbe3b

Cryptographic Hash Functions

md5 0fe8420fdaa027f97f30cb610b291bef
sha1 e1572201aa5186853259817b449840399e52dd61
sha256 b0c728d0e51e545165da3237c6493d7dd9ab6ef029cdf5d7032da2a6b49ec656
sha512 36077455338a62278bb7e6b116bd08650a76cad22e947e3a8693e05eac21524a9f088f562242a06a696f5b7a783986be6f898bc73fe86cf3a1dfbb2b0c0c22d2
ripemd-160 c2253135841ab77d776dc74bbd509bd6a054c1c1

20686871 as geometric shapes

Circle

Radius = n
Diameter 41373742
Circumference 129979443.91872
Area 1.3444339944991E+15

Sphere

Radius = n
Volume 3.7082843482958E+22
Surface area 5.3777359779966E+15
Circumference 129979443.91872

Square

Length = n
Perimeter 82747484
Area 427946631770641
Diagonal 29255653.531263

Cube

Length = n
Surface area 2567679790623846
Volume 8.8528767663238E+21
Space diagonal 35830711.621623

Equilateral Triangle

Length = n
Perimeter 62060613
Area 1.8530632728868E+14
Altitude 17915355.810812

Triangular Pyramid

Length = n
Surface area 1.8530632728868E+14
Volume 1.0433215324127E+21
Height 9751884.5104209