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

20686979 (number)

20686979 is an odd 8-digits composite number following 20686978 and preceding 20686980. In scientific notation, it is written as 2.0686979 × 10^7. The sum of its digits is 47. It has a total of 2 prime factors and 4 positive divisors. There are 20632584 positive integers (up to 20686979) that are relatively prime to 20686979.

Interesting facts

20686979 has 4 divisors, whose sum is 20741376
The reverse of 20686979 is 97968602
Previous prime number is 383

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 47
Digital Root 2

Name

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

Notation

Scientific notation	2.0686979 × 10^7
Engineering notation	2.0686979 × 10^6

Prime Factorization of 20686979

Prime Factorization 383 × 54013

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	20686979	Product of the distinct prime numbers

The prime factorization of 20686979 is 383 × 54013. Since it has a total of 2 prime factors.

Most popular turbo-numbers

10, 2, 81, 73, 65, 681, 3880, 4582, 29830, 64402, 226697, 158932, 5511629, 8562611, 31606586, 26537115, 224504483, 351601963, 5065153429, 659436209

Basic calculations (n = 20686979)

Multiplication

n×y

n×2	41373958
n×3	62060937
n×4	82747916
n×5	103434895

Division

n÷y

n÷2	10343489.5
n÷3	6895659.6666667
n÷3	5171744.75
n÷5	4137395.8

Exponentiation

n^y

n²	427951100146441
n³	8.8530154217563E+21
n⁴	1.8314214411655E+29
n⁵	3.788657689354E+36

Nth Root

^y√n

²√n	4548.2940758047
³√n	274.51475419008
⁴√n	67.441041479241
⁵√n	29.049550367608

Divisors of 20686979

1, 383, 54013, 20686979

4 divisors

τ	Total Divisors	4	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-20686978	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.25	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	4	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20686979 can be divided by 4 positive divisors. The sum of these divisors (counting 20686979) is 1, the average is 0.25.

Base conversion 20686979

Base	System	Value
2	Binary	1001110111010100010000011
3	Ternary	1102221000012102
4	Quaternary	1032322202003
5	Quinary	20243440404
6	Senary	2015221015
8	Octal	116724203
10	Decimal	20686979
12	Duodecimal	6b1776b
16	Hexadecimal	13ba883
20	Vigesimal	695h8j
36	Base36	cbe6b

Cryptographic Hash Functions

md5	ef87f01a633faf87e7c26e7491d2cbdd
sha1	70544f034b94fcc4503efa5d72f1cae678c44115
sha256	ddb9cb197daca27de769859c29f8562d95f84c8a98946d48ebe0a3a5b4555546
sha512	03d733d39ab675f723b0f82b5cf70665237270d3967939f322a50d652c6a98f4e53e2f6202289d2720c7c2d96939c047ff6e57a981c249c874caa1458bc961f5
ripemd-160	d1e793ecf99b59d2edfef4442fe53713f501c8ff

20686979 as geometric shapes

Circle

Radius = n

Diameter	41373958
Circumference	129980122.50273
Area	1.3444480323157E+15

Sphere

Radius = n

Volume	3.7083424281476E+22
Surface area	5.3777921292629E+15
Circumference	129980122.50273

Square

Length = n

Perimeter	82747916
Area	427951100146441
Diagonal	29255806.266327

Cube

Length = n

Surface area	2567706600878646
Volume	8.8530154217563E+21
Space diagonal	35830898.68311

Equilateral Triangle

Length = n

Perimeter	62060937
Area	1.8530826215216E+14
Altitude	17915449.341555

Triangular Pyramid

Length = n

Surface area	1.8530826215216E+14
Volume	1.0433378731122E+21
Height	9751935.4221091