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

20990187 (number)

20990187 is an odd 8-digits composite number following 20990186 and preceding 20990188. In scientific notation, it is written as 2.0990187 × 10^7. The sum of its digits is 36. It has a total of 3 prime factors and 8 positive divisors. There are 13961808 positive integers (up to 20990187) that are relatively prime to 20990187.

Interesting facts

20990187 has 8 divisors, whose sum is 23375200
The reverse of 20990187 is 78109902
Previous prime number is 487

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 36
Digital Root 9

Name

Name	twenty million nine hundred ninety thousand one hundred eighty-seven

Notation

Scientific notation	2.0990187 × 10^7
Engineering notation	2.0990187 × 10^6

Prime Factorization of 20990187

Prime Factorization 9 × 487 × 4789

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	20990187	Product of the distinct prime numbers

The prime factorization of 20990187 is 9 × 487 × 4789. Since it has a total of 3 prime factors.

Most popular turbo-numbers

2, 8, 99, 60, 108, 624, 2226, 6623, 23363, 13585, 460918, 126198, 2294218, 3178804, 90902787, 94727098, 900931717, 372031817, 1782291853, 2202298907

Basic calculations (n = 20990187)

Multiplication

n×y

n×2	41980374
n×3	62970561
n×4	83960748
n×5	104950935

Division

n÷y

n÷2	10495093.5
n÷3	6996729
n÷3	5247546.75
n÷5	4198037.4

Exponentiation

n^y

n²	440587950294969
n³	9.2480234666381E+21
n⁴	1.9411774194512E+29
n⁵	4.0745677034459E+36

Nth Root

^y√n

²√n	4581.5048837691
³√n	275.84943741425
⁴√n	67.686814696579
⁵√n	29.134211021983

Divisors of 20990187

1, 9, 487, 4383, 4789, 43101, 2332243, 20990187

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	-20990186	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 20990187 can be divided by 8 positive divisors. The sum of these divisors (counting 20990187) is 1, the average is 0.125.

Base conversion 20990187

Base	System	Value
2	Binary	1010000000100100011101011
3	Ternary	1110111102010100
4	Quaternary	1100010203223
5	Quinary	20333141222
6	Senary	2025520443
8	Octal	120044353
10	Decimal	20990187
12	Duodecimal	7043123
16	Hexadecimal	14048eb
20	Vigesimal	6b3f97
36	Base36	chw4r

Cryptographic Hash Functions

md5	c484064735f502f7a56307729e765ccf
sha1	244de2ece91513d3f9955cca8650b76a2c6eef70
sha256	433d62dc8114584ea328797e45fc8cc5dc2715c51a009901203d6dc746055b25
sha512	8128ca3dc9bc824f0f854a168638a7fced550d0b478d3c296def31520f73fdaeefd9ff34eca6b839d381deb7f3259dc6c4015a8dce2d731b587861cd8dcdacaf
ripemd-160	38f44507cfbca0c1a64353cab1932af22484bbef

20990187 as geometric shapes

Circle

Radius = n

Diameter	41980374
Circumference	131885234.55335
Area	1.3841478679069E+15

Sphere

Radius = n

Volume	3.8738030110688E+22
Surface area	5.5365914716274E+15
Circumference	131885234.55335

Square

Length = n

Perimeter	83960748
Area	440587950294969
Diagonal	29684607.132147

Cube

Length = n

Surface area	2643527701769814
Volume	9.2480234666381E+21
Space diagonal	36356070.344372

Equilateral Triangle

Length = n

Perimeter	62970561
Area	1.9078017877838E+14
Altitude	18178035.172186

Triangular Pyramid

Length = n

Surface area	1.9078017877838E+14
Volume	1.0898900176387E+21
Height	9894869.0440491