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

20407985 (number)

20407985 is an odd 8-digits composite number following 20407984 and preceding 20407986. In scientific notation, it is written as 2.0407985 × 10^7. The sum of its digits is 35. It has a total of 2 prime factors and 4 positive divisors. There are 15070464 positive integers (up to 20407985) that are relatively prime to 20407985.

Interesting facts

20407985 has 4 divisors, whose sum is 20722020
The reverse of 20407985 is 58970402
Previous prime number is 65

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 35
Digital Root 8

Name

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

Notation

Scientific notation	2.0407985 × 10^7
Engineering notation	2.0407985 × 10^6

Prime Factorization of 20407985

Prime Factorization 65 × 313969

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	20407985	Product of the distinct prime numbers

The prime factorization of 20407985 is 65 × 313969. Since it has a total of 2 prime factors.

Most popular turbo-numbers

9, 5, 56, 30, 802, 859, 1735, 2867, 48654, 57463, 452866, 391302, 8704357, 9403139, 33631596, 6635837, 40635083, 53958541, 7369968796, 8571908252

Basic calculations (n = 20407985)

Multiplication

n×y

n×2	40815970
n×3	61223955
n×4	81631940
n×5	102039925

Division

n÷y

n÷2	10203992.5
n÷3	6802661.6666667
n÷3	5101996.25
n÷5	4081597

Exponentiation

n^y

n²	416485851760225
n³	8.4996370154349E+21
n⁴	1.7346046471644E+29
n⁵	3.5399785620261E+36

Nth Root

^y√n

²√n	4517.5197841293
³√n	273.2750875626
⁴√n	67.21249723176
⁵√n	28.97076913411

Divisors of 20407985

1, 65, 313969, 20407985

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	-20407984	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 20407985 can be divided by 4 positive divisors. The sum of these divisors (counting 20407985) is 1, the average is 0.25.

Base conversion 20407985

Base	System	Value
2	Binary	1001101110110011010110001
3	Ternary	1102101211111022
4	Quaternary	1031312122301
5	Quinary	20211023420
6	Senary	2005225225
8	Octal	115663261
10	Decimal	20407985
12	Duodecimal	6a02215
16	Hexadecimal	13766b1
20	Vigesimal	67ajj5
36	Base36	c5ewh

Cryptographic Hash Functions

md5	05ee766c38844c4db7ee99f353fa70e3
sha1	42a447be9a68352d1085403978524861591c1f56
sha256	6f26896ddec5956b2d6245c6fcf6c3df19e463c7578693ecf19628bcad888d87
sha512	88093095c1ba82b7b71e756878e4a5fdbfb0066bebec0f03f436fa3f83d70bfffc6102502bf1d48074c1c69d33966de6d44d18127440a6182a1fcdbf07b445d7
ripemd-160	50d9e2ca64a385c8fa30507041a3f45807d0941a

20407985 as geometric shapes

Circle

Radius = n

Diameter	40815970
Circumference	128227151.50114
Area	1.308428892214E+15

Sphere

Radius = n

Volume	3.5603196274494E+22
Surface area	5.233715568856E+15
Circumference	128227151.50114

Square

Length = n

Perimeter	81631940
Area	416485851760225
Diagonal	28861249.167707

Cube

Length = n

Surface area	2498915110561350
Volume	8.4996370154349E+21
Space diagonal	35347666.900104

Equilateral Triangle

Length = n

Perimeter	61223955
Area	1.8034366397058E+14
Altitude	17673833.450052

Triangular Pyramid

Length = n

Surface area	1.8034366397058E+14
Volume	1.0016918285397E+21
Height	9620416.3892356