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

20686909 (number)

20686909 is an odd 8-digits composite number following 20686908 and preceding 20686910. In scientific notation, it is written as 2.0686909 × 10^7. The sum of its digits is 40. It has a total of 3 prime factors and 8 positive divisors. There are 19043264 positive integers (up to 20686909) that are relatively prime to 20686909.

Interesting facts

20686909 has 8 divisors, whose sum is 21214080
The reverse of 20686909 is 90968602
Previous prime number is 47

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 40
Digital Root 4

Name

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

Notation

Scientific notation	2.0686909 × 10^7
Engineering notation	2.0686909 × 10^6

Prime Factorization of 20686909

Prime Factorization 289 × 47 × 1523

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	20686909	Product of the distinct prime numbers

The prime factorization of 20686909 is 289 × 47 × 1523. Since it has a total of 3 prime factors.

Most popular turbo-numbers

5, 8, 22, 83, 775, 590, 6577, 6721, 71959, 34953, 636179, 638170, 9445943, 2888191, 87089976, 72560585, 972652792, 919813633, 9233561410, 6254216675

Basic calculations (n = 20686909)

Multiplication

n×y

n×2	41373818
n×3	62060727
n×4	82747636
n×5	103434545

Division

n÷y

n÷2	10343454.5
n÷3	6895636.3333333
n÷3	5171727.25
n÷5	4137381.8

Exponentiation

n^y

n²	427948203974281
n³	8.8529255523294E+21
n⁴	1.8313966528481E+29
n⁵	3.7885935900374E+36

Nth Root

^y√n

²√n	4548.2863806053
³√n	274.51444455804
⁴√n	67.440984427908
⁵√n	29.049530708176

Divisors of 20686909

1, 47, 289, 1523, 13583, 71581, 440147, 20686909

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	-20686908	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 20686909 can be divided by 8 positive divisors. The sum of these divisors (counting 20686909) is 1, the average is 0.125.

Base conversion 20686909

Base	System	Value
2	Binary	1001110111010100000111101
3	Ternary	1102221000002211
4	Quaternary	1032322200331
5	Quinary	20243440114
6	Senary	2015220421
8	Octal	116724075
10	Decimal	20686909
12	Duodecimal	6b17711
16	Hexadecimal	13ba83d
20	Vigesimal	695h59
36	Base36	cbe4d

Cryptographic Hash Functions

md5	64abc7e62cebea1675afc53c2138ad73
sha1	3802049c491f995a9885a06752883496ba2a400a
sha256	a551ba9923496931035c372d5c4845de84c31b10d9321bfdc9164ff6d3c006a9
sha512	48280d3ab361f5c890e83cdcafbf1408111ef2abe01749bed7d2248b8153e15f8824a5661f2219882c9d4dd4bd045a865be1d94f492ef0f4d3b86eb4531fe206
ripemd-160	1a8a67263bb24173094a03183ca02c1a0aab62e1

20686909 as geometric shapes

Circle

Radius = n

Diameter	41373818
Circumference	129979682.67976
Area	1.3444389337225E+15

Sphere

Radius = n

Volume	3.70830478373E+22
Surface area	5.3777557348902E+15
Circumference	129979682.67976

Square

Length = n

Perimeter	82747636
Area	427948203974281
Diagonal	29255707.271378

Cube

Length = n

Surface area	2567689223845686
Volume	8.8529255523294E+21
Space diagonal	35830777.439554

Equilateral Triangle

Length = n

Perimeter	62060727
Area	1.8530700807283E+14
Altitude	17915388.719777

Triangular Pyramid

Length = n

Surface area	1.8530700807283E+14
Volume	1.0433272818986E+21
Height	9751902.4237927