Max	9223372036854775807
25835	Positive integer
0b10001100	Binary number
01771452	Octal number
0x129abf	Hex number
5.012 * 10^7	Scientific notation
2^4 * 5	Factorized form
*	Random number

20686986 (number)

20686986 is an even 8-digits composite number following 20686985 and preceding 20686987. In scientific notation, it is written as 2.0686986 × 10^7. The sum of its digits is 45. It has a total of 4 prime factors and 16 positive divisors. There are 6798120 positive integers (up to 20686986) that are relatively prime to 20686986.

Interesting facts

20686986 has 16 divisors, whose sum is 34966080
The reverse of 20686986 is 68968602
Previous prime number is 71

Basic properties

Is Prime? no
Number parity even
Number length 8
Sum of Digits 45
Digital Root 9

Name

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

Notation

Scientific notation	2.0686986 × 10^7
Engineering notation	2.0686986 × 10^6

Prime Factorization of 20686986

Prime Factorization 2 × 9 × 71 × 16187

Composite number

ω	Distinct Factors	4	Total number of distinct prime factors
Ω	Total Factors	4	Total number of prime factors
rad	Radical	20686986	Product of the distinct prime numbers

The prime factorization of 20686986 is 2 × 9 × 71 × 16187. Since it has a total of 4 prime factors.

Most popular turbo-numbers

3, 10, 70, 41, 311, 776, 7956, 5974, 47401, 39972, 331108, 833098, 845728, 9084676, 40474314, 24890471, 870613605, 27570328, 1091063323, 3565645313

Basic calculations (n = 20686986)

Multiplication

n×y

n×2	41373972
n×3	62060958
n×4	82747944
n×5	103434930

Division

n÷y

n÷2	10343493
n÷3	6895662
n÷3	5171746.5
n÷5	4137397.2

Exponentiation

n^y

n²	427951389764196
n³	8.8530244087325E+21
n⁴	1.8314239200111E+29
n⁵	3.7886640993334E+36

Nth Root

^y√n

²√n	4548.2948453239
³√n	274.51478515324
⁴√n	67.441047184366
⁵√n	29.049552333548

Divisors of 20686986

1, 2, 9, 18, 71, 142, 639, 1278, 16187, 32374, 145683, 291366, 1149277, 2298554, 10343493, 20686986

16 divisors

τ	Total Divisors	16	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-20686985	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.0625	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	16	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20686986 can be divided by 16 positive divisors. The sum of these divisors (counting 20686986) is 1, the average is 0.0625.

Base conversion 20686986

Base	System	Value
2	Binary	1001110111010100010001010
3	Ternary	1102221000012200
4	Quaternary	1032322202022
5	Quinary	20243440421
6	Senary	2015221030
8	Octal	116724212
10	Decimal	20686986
12	Duodecimal	6b17776
16	Hexadecimal	13ba88a
20	Vigesimal	695h96
36	Base36	cbe6i

Cryptographic Hash Functions

md5	cfca1037451e167e41a7d0d7d68d0654
sha1	7e37cca92f817d28fb7b6f3ebc1b2001f4d5b328
sha256	53cfe27b38e2b43d4dd295243420843e2d3065a630bce369432bc04d5c532970
sha512	517d40b64dfdf48eb2052bd778b9d9e3a0b65cc3c3fab8cadcdff3a3302e6a4864221fe3c021dd8680773fc829b6942bd8fc99364c62684174e566070632413c
ripemd-160	b9d7f85848ec05a44a0db8360d7f9ad798dd3b90

20686986 as geometric shapes

Circle

Radius = n

Diameter	41373972
Circumference	129980166.48503
Area	1.3444489421767E+15

Sphere

Radius = n

Volume	3.7083461926033E+22
Surface area	5.377795768707E+15
Circumference	129980166.48503

Square

Length = n

Perimeter	82747944
Area	427951389764196
Diagonal	29255816.165822

Cube

Length = n

Surface area	2567708338585176
Volume	8.8530244087325E+21
Space diagonal	35830910.807466

Equilateral Triangle

Length = n

Perimeter	62060958
Area	1.8530838756032E+14
Altitude	17915455.403733

Triangular Pyramid

Length = n

Surface area	1.8530838756032E+14
Volume	1.0433389322375E+21
Height	9751938.7219408