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

20402987 (number)

20402987 is an odd 8-digits composite number following 20402986 and preceding 20402988. In scientific notation, it is written as 2.0402987 × 10^7. The sum of its digits is 32. It has a total of 3 prime factors and 8 positive divisors. There are 18464200 positive integers (up to 20402987) that are relatively prime to 20402987.

Interesting facts

20402987 has 8 divisors, whose sum is 22358592
The reverse of 20402987 is 78920402
Previous prime number is 227

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 32
Digital Root 5

Name

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

Notation

Scientific notation	2.0402987 × 10^7
Engineering notation	2.0402987 × 10^6

Prime Factorization of 20402987

Prime Factorization 11 × 227 × 8171

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	20402987	Product of the distinct prime numbers

The prime factorization of 20402987 is 11 × 227 × 8171. Since it has a total of 3 prime factors.

Most popular turbo-numbers

3, 8, 12, 36, 358, 497, 9, 1296, 79549, 71922, 776798, 104130, 440789, 8870495, 68160329, 35912780, 880539253, 588369330, 9568697293, 5797060197

Basic calculations (n = 20402987)

Multiplication

n×y

n×2	40805974
n×3	61208961
n×4	81611948
n×5	102014935

Division

n÷y

n÷2	10201493.5
n÷3	6800995.6666667
n÷3	5100746.75
n÷5	4080597.4

Exponentiation

n^y

n²	416281878522169
n³	8.4933937558234E+21
n⁴	1.7329060238595E+29
n⁵	3.5356459077026E+36

Nth Root

^y√n

²√n	4516.9665706091
³√n	273.25277700782
⁴√n	67.208381699079
⁵√n	28.969349982825

Divisors of 20402987

1, 11, 227, 2497, 8171, 89881, 1854817, 20402987

8 divisors

τ	Total Divisors	8	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-20402986	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.125	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	8	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20402987 can be divided by 8 positive divisors. The sum of these divisors (counting 20402987) is 1, the average is 0.125.

Base conversion 20402987

Base	System	Value
2	Binary	1001101110101001100101011
3	Ternary	1102101120122012
4	Quaternary	1031311030223
5	Quinary	20210343422
6	Senary	2005150135
8	Octal	115651453
10	Decimal	20402987
12	Duodecimal	69bb34b
16	Hexadecimal	137532b
20	Vigesimal	67a797
36	Base36	c5b1n

Cryptographic Hash Functions

md5	cd0b9579cea2d7e5a86bf4db2f74eb21
sha1	6328cf7ea25f05615140f438e75f4b91e5d97d5f
sha256	8ccaaf8fe4d4cdeb10bbf5592e60bf374e8c6bc314614cc9b0fa6d66c5b7b966
sha512	caf9696c09c256ab1023eb0e5e08acf15e7e564e54b897f3fa1a5c80165842f82d9b94b02735c352be3b356ba61e22711fe1efb43ac07fa55a6df1c4ce120a39
ripemd-160	b432dce8d4318f92188c6b2e1253d0e5bf955dc8

20402987 as geometric shapes

Circle

Radius = n

Diameter	40805974
Circumference	128195748.14098
Area	1.3077880913878E+15

Sphere

Radius = n

Volume	3.5577044569787E+22
Surface area	5.2311523655512E+15
Circumference	128195748.14098

Square

Length = n

Perimeter	81611948
Area	416281878522169
Diagonal	28854180.928322

Cube

Length = n

Surface area	2497691271133014
Volume	8.4933937558234E+21
Space diagonal	35339010.110167

Equilateral Triangle

Length = n

Perimeter	61208961
Area	1.8025534096765E+14
Altitude	17669505.055084

Triangular Pyramid

Length = n

Surface area	1.8025534096765E+14
Volume	1.0009560533384E+21
Height	9618060.3094407