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

20684985 (number)

20684985 is an odd 8-digits composite number following 20684984 and preceding 20684986. In scientific notation, it is written as 2.0684985 × 10^7. The sum of its digits is 42. It has a total of 2 prime factors and 4 positive divisors. There are 11031984 positive integers (up to 20684985) that are relatively prime to 20684985.

Interesting facts

20684985 has 4 divisors, whose sum is 22064000
The reverse of 20684985 is 58948602
Previous prime number is 15

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 42
Digital Root 6

Name

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

Notation

Scientific notation	2.0684985 × 10^7
Engineering notation	2.0684985 × 10^6

Prime Factorization of 20684985

Prime Factorization 15 × 1378999

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	20684985	Product of the distinct prime numbers

The prime factorization of 20684985 is 15 × 1378999. Since it has a total of 2 prime factors.

Most popular turbo-numbers

10, 2, 52, 98, 473, 837, 9916, 5380, 39224, 47994, 90123, 750404, 4996132, 1431813, 60294265, 79026210, 783207742, 632202866, 4544119177, 6283643095

Basic calculations (n = 20684985)

Multiplication

n×y

n×2	41369970
n×3	62054955
n×4	82739940
n×5	103424925

Division

n÷y

n÷2	10342492.5
n÷3	6894995
n÷3	5171246.25
n÷5	4136997

Exponentiation

n^y

n²	427868604450225
n³	8.8504556650238E+21
n⁴	1.8307154267418E+29
n⁵	3.7868321141423E+36

Nth Root

^y√n

²√n	4548.0748674577
³√n	274.50593382682
⁴√n	67.439416274592
⁵√n	29.048990333812

Divisors of 20684985

1, 15, 1378999, 20684985

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	-20684984	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 20684985 can be divided by 4 positive divisors. The sum of these divisors (counting 20684985) is 1, the average is 0.25.

Base conversion 20684985

Base	System	Value
2	Binary	1001110111010000010111001
3	Ternary	1102220220110120
4	Quaternary	1032322002321
5	Quinary	20243404420
6	Senary	2015203453
8	Octal	116720271
10	Decimal	20684985
12	Duodecimal	6b16589
16	Hexadecimal	13ba0b9
20	Vigesimal	695c95
36	Base36	cbcmx

Cryptographic Hash Functions

md5	fd6caf2d4606a4d6ad7836eb9738ae4d
sha1	089f1fe28c0e06979565380ec071848d3ef3f97b
sha256	8d0c2df4752f9f48126b8d6d636000da1e1b1de8a5ccb38e941fa7268a580d5a
sha512	6f2df1d95e10e870f712b9765b6a9949c599abbbf2e01fd8829eccafd1ea31aa111a3621bbb3e609de8eeacea766c951ef598ccef0b6ba9ed4cb1796fcbc4d64
ripemd-160	d98218f9fe9462d8255bb290ad502655c98b2ece

20684985 as geometric shapes

Circle

Radius = n

Diameter	41369970
Circumference	129967593.83123
Area	1.3441888644425E+15

Sphere

Radius = n

Volume	3.7072701997548E+22
Surface area	5.3767554577702E+15
Circumference	129967593.83123

Square

Length = n

Perimeter	82739940
Area	427868604450225
Diagonal	29252986.324484

Cube

Length = n

Surface area	2567211626701350
Volume	8.8504556650238E+21
Space diagonal	35827444.9738

Equilateral Triangle

Length = n

Perimeter	62054955
Area	1.8527254046785E+14
Altitude	17913722.4869

Triangular Pyramid

Length = n

Surface area	1.8527254046785E+14
Volume	1.0430362028882E+21
Height	9750995.4414947