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

20409987 (number)

20409987 is an odd 8-digits composite number following 20409986 and preceding 20409988. In scientific notation, it is written as 2.0409987 × 10^7. The sum of its digits is 39. It has a total of 2 prime factors and 4 positive divisors. There are 12559968 positive integers (up to 20409987) that are relatively prime to 20409987.

Interesting facts

20409987 has 4 divisors, whose sum is 20933360
The reverse of 20409987 is 78990402
Previous prime number is 39

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 39
Digital Root 3

Name

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

Notation

Scientific notation	2.0409987 × 10^7
Engineering notation	2.0409987 × 10^6

Prime Factorization of 20409987

Prime Factorization 39 × 523333

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	20409987	Product of the distinct prime numbers

The prime factorization of 20409987 is 39 × 523333. Since it has a total of 2 prime factors.

Most popular turbo-numbers

4, 5, 32, 37, 723, 941, 8058, 6311, 76044, 39111, 574252, 365276, 1580173, 3224230, 61861335, 54903443, 215566555, 605183433, 9492568903, 2246511231

Basic calculations (n = 20409987)

Multiplication

n×y

n×2	40819974
n×3	61229961
n×4	81639948
n×5	102049935

Division

n÷y

n÷2	10204993.5
n÷3	6803329
n÷3	5102496.75
n÷5	4081997.4

Exponentiation

n^y

n²	416567569340169
n³	8.5021386748544E+21
n⁴	1.7352853982598E+29
n⁵	3.5417152419772E+36

Nth Root

^y√n

²√n	4517.7413604588
³√n	273.28402326165
⁴√n	67.214145538412
⁵√n	28.971337511675

Divisors of 20409987

1, 39, 523333, 20409987

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	-20409986	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 20409987 can be divided by 4 positive divisors. The sum of these divisors (counting 20409987) is 1, the average is 0.25.

Base conversion 20409987

Base	System	Value
2	Binary	1001101110110111010000011
3	Ternary	1102101221020110
4	Quaternary	1031312322003
5	Quinary	20211104422
6	Senary	2005242403
8	Octal	115667203
10	Decimal	20409987
12	Duodecimal	6a03403
16	Hexadecimal	1376e83
20	Vigesimal	67b4j7
36	Base36	c5gg3

Cryptographic Hash Functions

md5	de0b8b923e9aa25b7beec73fff207703
sha1	7390966e2315211e33094455793cd8f419f461ef
sha256	e3156a4d3c29c3d95d8e7d0d12d84f485b548c6f21a482c28620175813c26bde
sha512	4987a9cae91e42d1e306e91f4b8822a6ccd7b05b7bc9db7a48bc30dd6b5c58c0ade9f568a4759b383b5b62714e783fd45d0b92328ebea38a48ca348704a27700
ripemd-160	bb531d9255621ea5f8fe0be374f07effd73bee4a

20409987 as geometric shapes

Circle

Radius = n

Diameter	40819974
Circumference	128239730.43813
Area	1.3086856155628E+15

Sphere

Radius = n

Volume	3.5613675200966E+22
Surface area	5.2347424622513E+15
Circumference	128239730.43813

Square

Length = n

Perimeter	81639948
Area	416567569340169
Diagonal	28864080.423259

Cube

Length = n

Surface area	2499405416041014
Volume	8.5021386748544E+21
Space diagonal	35351134.46582

Equilateral Triangle

Length = n

Perimeter	61229961
Area	1.8037904872066E+14
Altitude	17675567.23291

Triangular Pyramid

Length = n

Surface area	1.8037904872066E+14
Volume	1.0019866519297E+21
Height	9621360.1410862