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

20986985 (number)

20986985 is an odd 8-digits composite number following 20986984 and preceding 20986986. In scientific notation, it is written as 2.0986985 × 10^7. The sum of its digits is 47. It has a total of 3 prime factors and 8 positive divisors. There are 16735360 positive integers (up to 20986985) that are relatively prime to 20986985.

Interesting facts

20986985 has 8 divisors, whose sum is 25265736
The reverse of 20986985 is 58968902
Previous prime number is 317

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 47
Digital Root 2

Name

Name	twenty million nine hundred eighty-six thousand nine hundred eighty-five

Notation

Scientific notation	2.0986985 × 10^7
Engineering notation	2.0986985 × 10^6

Prime Factorization of 20986985

Prime Factorization 5 × 317 × 13241

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	20986985	Product of the distinct prime numbers

The prime factorization of 20986985 is 5 × 317 × 13241. Since it has a total of 3 prime factors.

Most popular turbo-numbers

4, 9, 50, 61, 38, 356, 2438, 1537, 75447, 6337, 526558, 187549, 7816902, 8209862, 34600577, 58503345, 209434698, 518487553, 6264155362, 9652148577

Basic calculations (n = 20986985)

Multiplication

n×y

n×2	41973970
n×3	62960955
n×4	83947940
n×5	104934925

Division

n÷y

n÷2	10493492.5
n÷3	6995661.6666667
n÷3	5246746.25
n÷5	4197397

Exponentiation

n^y

n²	440453539390225
n³	9.2437918243796E+21
n⁴	1.9399932036138E+29
n⁵	4.0714608264344E+36

Nth Root

^y√n

²√n	4581.1554219432
³√n	275.83540998934
⁴√n	67.684233185752
⁵√n	29.133322097682

Divisors of 20986985

1, 5, 317, 1585, 13241, 66205, 4197397, 20986985

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	-20986984	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 20986985 can be divided by 8 positive divisors. The sum of these divisors (counting 20986985) is 1, the average is 0.125.

Base conversion 20986985

Base	System	Value
2	Binary	1010000000011110001101001
3	Ternary	1110111020201202
4	Quaternary	1100003301221
5	Quinary	20333040420
6	Senary	2025453545
8	Octal	120036151
10	Decimal	20986985
12	Duodecimal	70412b5
16	Hexadecimal	1403c69
20	Vigesimal	6b3795
36	Base36	chtnt

Cryptographic Hash Functions

md5	89c4e5949844257121e3594c4ffadc9d
sha1	5dacbbe07fc67bae97a534b5aacf77f54aded0e6
sha256	a7a45e7012a0a1560ee8a250c174d9b7bd74e56a1d01779b5fd5522573d27f76
sha512	6a4fc14478a10282e83c5b9073136bdd097d10c8ef88725d9fef322f8cea17a6d9c5774c3cc461245466fa49d731749df0ba3c6f901d1b004989cc0abccafcbc
ripemd-160	bd4d3e6c7a629d469653e7737e148699725844e1

20986985 as geometric shapes

Circle

Radius = n

Diameter	41973970
Circumference	131865115.794
Area	1.383725603596E+15

Sphere

Radius = n

Volume	3.8720304649046E+22
Surface area	5.5349024143838E+15
Circumference	131865115.794

Square

Length = n

Perimeter	83947940
Area	440453539390225
Diagonal	29680078.820321

Cube

Length = n

Surface area	2642721236341350
Volume	9.2437918243796E+21
Space diagonal	36350524.317686

Equilateral Triangle

Length = n

Perimeter	62960955
Area	1.9072197714935E+14
Altitude	18175262.158843

Triangular Pyramid

Length = n

Surface area	1.9072197714935E+14
Volume	1.0893913138159E+21
Height	9893359.6067736