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

20384987 (number)

20384987 is an odd 8-digits composite number following 20384986 and preceding 20384988. In scientific notation, it is written as 2.0384987 × 10^7. The sum of its digits is 41. It has a total of 2 prime factors and 4 positive divisors. There are 17472840 positive integers (up to 20384987) that are relatively prime to 20384987.

Interesting facts

20384987 has 4 divisors, whose sum is 23297136
The reverse of 20384987 is 78948302
Previous prime number is 7

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 41
Digital Root 5

Name

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

Notation

Scientific notation	2.0384987 × 10^7
Engineering notation	2.0384987 × 10^6

Prime Factorization of 20384987

Prime Factorization 7 × 2912141

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	20384987	Product of the distinct prime numbers

The prime factorization of 20384987 is 7 × 2912141. Since it has a total of 2 prime factors.

Most popular turbo-numbers

2, 4, 10, 28, 95, 195, 7742, 5901, 4948, 65733, 708415, 467887, 6264089, 7259823, 74820927, 34786728, 346246111, 284293650, 3427378231, 7243923453

Basic calculations (n = 20384987)

Multiplication

n×y

n×2	40769974
n×3	61154961
n×4	81539948
n×5	101924935

Division

n÷y

n÷2	10192493.5
n÷3	6794995.6666667
n÷3	5096246.75
n÷5	4076997.4

Exponentiation

n^y

n²	415547694990169
n³	8.4709343602546E+21
n⁴	1.7267988681164E+29
n⁵	3.5200772478168E+36

Nth Root

^y√n

²√n	4514.9736433339
³√n	273.1723966675
⁴√n	67.193553584655
⁵√n	28.964236688279

Divisors of 20384987

1, 7, 2912141, 20384987

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	-20384986	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 20384987 can be divided by 4 positive divisors. The sum of these divisors (counting 20384987) is 1, the average is 0.25.

Base conversion 20384987

Base	System	Value
2	Binary	1001101110000110011011011
3	Ternary	1102100122221112
4	Quaternary	1031300303123
5	Quinary	20204304422
6	Senary	2004530535
8	Octal	115606333
10	Decimal	20384987
12	Duodecimal	69b0a4b
16	Hexadecimal	1370cdb
20	Vigesimal	678297
36	Base36	c4x5n

Cryptographic Hash Functions

md5	e8dfb3e270a5b85ac4f16fd5201ce27e
sha1	10ee3e75f73f0a14d92f8da90f1c4ce7d808d65a
sha256	494545a006be8a25a54148c4ab774dffd516e2d67561d977bc0ab5fcf41522c1
sha512	970f70bcf01e4ac168cc739ffb675b6b30424b1a2c658524878b20d6bbd70781e7393a71a0892c033e7036d00e20cd8b50118b41de866cb16419a976c7109967
ripemd-160	0c1419c31b9b3e9501cc015646e5da63b0573612

20384987 as geometric shapes

Circle

Radius = n

Diameter	40769974
Circumference	128082650.80545
Area	1.3054815857973E+15

Sphere

Radius = n

Volume	3.5482966873623E+22
Surface area	5.2219263431891E+15
Circumference	128082650.80545

Square

Length = n

Perimeter	81539948
Area	415547694990169
Diagonal	28828725.084199

Cube

Length = n

Surface area	2493286169941014
Volume	8.4709343602546E+21
Space diagonal	35307833.195631

Equilateral Triangle

Length = n

Perimeter	61154961
Area	1.7993743017278E+14
Altitude	17653916.597816

Triangular Pyramid

Length = n

Surface area	1.7993743017278E+14
Volume	9.9830918818702E+20
Height	9609575.0280664