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

20686989 (number)

20686989 is an odd 8-digits composite number following 20686988 and preceding 20686990. In scientific notation, it is written as 2.0686989 × 10^7. The sum of its digits is 48. It has a total of 2 prime factors and 4 positive divisors. There are 13791324 positive integers (up to 20686989) that are relatively prime to 20686989.

Interesting facts

20686989 has 4 divisors, whose sum is 27582656
The reverse of 20686989 is 98968602
Previous prime number is 3

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 48
Digital Root 3

Name

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

Notation

Scientific notation	2.0686989 × 10^7
Engineering notation	2.0686989 × 10^6

Prime Factorization of 20686989

Prime Factorization 3 × 6895663

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	20686989	Product of the distinct prime numbers

The prime factorization of 20686989 is 3 × 6895663. Since it has a total of 2 prime factors.

Most popular turbo-numbers

1, 6, 57, 2, 577, 675, 7291, 150, 62883, 51402, 758846, 928589, 329593, 7955269, 40652799, 80108202, 563558791, 839808371, 9665624748, 4349392901

Basic calculations (n = 20686989)

Multiplication

n×y

n×2	41373978
n×3	62060967
n×4	82747956
n×5	103434945

Division

n÷y

n÷2	10343494.5
n÷3	6895663
n÷3	5171747.25
n÷5	4137397.8

Exponentiation

n^y

n²	427951513886121
n³	8.8530282602955E+21
n⁴	1.8314249823742E+29
n⁵	3.7886668464701E+36

Nth Root

^y√n

²√n	4548.2951751178
³√n	274.51479842317
⁴√n	67.441049629419
⁵√n	29.049553176094

Divisors of 20686989

1, 3, 6895663, 20686989

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	-20686988	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 20686989 can be divided by 4 positive divisors. The sum of these divisors (counting 20686989) is 1, the average is 0.25.

Base conversion 20686989

Base	System	Value
2	Binary	1001110111010100010001101
3	Ternary	1102221000012210
4	Quaternary	1032322202031
5	Quinary	20243440424
6	Senary	2015221033
8	Octal	116724215
10	Decimal	20686989
12	Duodecimal	6b17779
16	Hexadecimal	13ba88d
20	Vigesimal	695h99
36	Base36	cbe6l

Cryptographic Hash Functions

md5	d5e11ffb740c330aa6e27e1d22bd79b3
sha1	7835fb2ab8cecbb0556f7c73d92aae7bf6928c86
sha256	23ad4f96c83f0d76a1f1529340454189b5cfd0605b47b80ce84a24d7889a7679
sha512	d4969318526866b5c45ad5efb8c6e566c7f87f8b6fb761c7e6894c09196dbb6fddcdc0ae627318d8539b0dc8560bfde9fa22aeea86b3cd7f0a83e0e89feac181
ripemd-160	875fb8609ce5da529a65887305be569ad48ac686

20686989 as geometric shapes

Circle

Radius = n

Diameter	41373978
Circumference	129980185.33459
Area	1.3444493321173E+15

Sphere

Radius = n

Volume	3.7083478059423E+22
Surface area	5.3777973284691E+15
Circumference	129980185.33459

Square

Length = n

Perimeter	82747956
Area	427951513886121
Diagonal	29255820.408463

Cube

Length = n

Surface area	2567709083316726
Volume	8.8530282602955E+21
Space diagonal	35830916.003618

Equilateral Triangle

Length = n

Perimeter	62060967
Area	1.8530844130669E+14
Altitude	17915458.001809

Triangular Pyramid

Length = n

Surface area	1.8530844130669E+14
Volume	1.0433393861485E+21
Height	9751940.1361543