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

20406985 (number)

20406985 is an odd 8-digits composite number following 20406984 and preceding 20406986. In scientific notation, it is written as 2.0406985 × 10^7. The sum of its digits is 34. It has a total of 2 prime factors and 4 positive divisors. There are 16325584 positive integers (up to 20406985) that are relatively prime to 20406985.

Interesting facts

20406985 has 4 divisors, whose sum is 24488388
The reverse of 20406985 is 58960402
Previous prime number is 5

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 34
Digital Root 7

Name

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

Notation

Scientific notation	2.0406985 × 10^7
Engineering notation	2.0406985 × 10^6

Prime Factorization of 20406985

Prime Factorization 5 × 4081397

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	20406985	Product of the distinct prime numbers

The prime factorization of 20406985 is 5 × 4081397. Since it has a total of 2 prime factors.

Most popular turbo-numbers

9, 3, 86, 97, 435, 402, 2463, 7659, 95023, 98680, 915817, 937155, 8696272, 1832384, 97017757, 60361071, 54444887, 968648345, 4369809371, 8959231450

Basic calculations (n = 20406985)

Multiplication

n×y

n×2	40813970
n×3	61220955
n×4	81627940
n×5	102034925

Division

n÷y

n÷2	10203492.5
n÷3	6802328.3333333
n÷3	5101746.25
n÷5	4081397

Exponentiation

n^y

n²	416445036790225
n³	8.4983876191026E+21
n⁴	1.7342646866721E+29
n⁵	3.5391113446948E+36

Nth Root

^y√n

²√n	4517.409102572
³√n	273.27062395761
⁴√n	67.211673856347
⁵√n	28.970485212528

Divisors of 20406985

1, 5, 4081397, 20406985

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	-20406984	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 20406985 can be divided by 4 positive divisors. The sum of these divisors (counting 20406985) is 1, the average is 0.25.

Base conversion 20406985

Base	System	Value
2	Binary	1001101110110001011001001
3	Ternary	1102101210010021
4	Quaternary	1031312023021
5	Quinary	20211010420
6	Senary	2005220441
8	Octal	115661311
10	Decimal	20406985
12	Duodecimal	6a01721
16	Hexadecimal	13762c9
20	Vigesimal	67ah95
36	Base36	c5e4p

Cryptographic Hash Functions

md5	1fd8b61396b97de00655d329a66dae7f
sha1	9b527124d2af0b758d3b801c1c9bc1db71e0787a
sha256	0b1c61e50425124876757b0de4e0b23e6736eec6ed4183b10309f74cdccab38a
sha512	9e57a1094b218ce8f91483deaa59724e8e3e08ce3354e9bb6acca285f3b9a627cecf80b4306296b73bb41b19fba3505ba4d91618b620ea980debde3e287e7104
ripemd-160	df2152823fd0a8e53350719bd561148da05201e6

20406985 as geometric shapes

Circle

Radius = n

Diameter	40813970
Circumference	128220868.31583
Area	1.3083006682041E+15

Sphere

Radius = n

Volume	3.5597962815375E+22
Surface area	5.2332026728164E+15
Circumference	128220868.31583

Square

Length = n

Perimeter	81627940
Area	416445036790225
Diagonal	28859834.954144

Cube

Length = n

Surface area	2498670220741350
Volume	8.4983876191026E+21
Space diagonal	35345934.849296

Equilateral Triangle

Length = n

Perimeter	61220955
Area	1.8032599057014E+14
Altitude	17672967.424648

Triangular Pyramid

Length = n

Surface area	1.8032599057014E+14
Volume	1.0015445857699E+21
Height	9619944.9847148