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

20987746 (number)

20987746 is an even 8-digits composite number following 20987745 and preceding 20987747. In scientific notation, it is written as 2.0987746 × 10^7. The sum of its digits is 43. It has a total of 3 prime factors and 8 positive divisors. There are 9686640 positive integers (up to 20987746) that are relatively prime to 20987746.

Interesting facts

20987746 has 8 divisors, whose sum is 33903324
The reverse of 20987746 is 64778902
Previous prime number is 13

Basic properties

Is Prime? no
Number parity even
Number length 8
Sum of Digits 43
Digital Root 7

Name

Name	twenty million nine hundred eighty-seven thousand seven hundred forty-six

Notation

Scientific notation	2.0987746 × 10^7
Engineering notation	2.0987746 × 10^6

Prime Factorization of 20987746

Prime Factorization 2 × 13 × 807221

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	20987746	Product of the distinct prime numbers

The prime factorization of 20987746 is 2 × 13 × 807221. Since it has a total of 3 prime factors.

Most popular turbo-numbers

9, 8, 86, 96, 727, 277, 4401, 7969, 2890, 60633, 235794, 197201, 2543415, 9430599, 16414905, 92976886, 228316957, 323346461, 766747142, 3083308225

Basic calculations (n = 20987746)

Multiplication

n×y

n×2	41975492
n×3	62963238
n×4	83950984
n×5	104938730

Division

n÷y

n÷2	10493873
n÷3	6995915.3333333
n÷3	5246936.5
n÷5	4197549.2

Exponentiation

n^y

n²	440485482160516
n³	9.2447974162724E+21
n⁴	1.9402745999418E+29
n⁵	4.0721990473831E+36

Nth Root

^y√n

²√n	4581.2384788395
³√n	275.83874393194
⁴√n	67.684846744597
⁵√n	29.13353337278

Divisors of 20987746

1, 2, 13, 26, 807221, 1614442, 10493873, 20987746

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	-20987745	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 20987746 can be divided by 8 positive divisors. The sum of these divisors (counting 20987746) is 1, the average is 0.125.

Base conversion 20987746

Base	System	Value
2	Binary	1010000000011111101100010
3	Ternary	1110111021202221
4	Quaternary	1100003331202
5	Quinary	20333101441
6	Senary	2025501254
8	Octal	120037542
10	Decimal	20987746
12	Duodecimal	704182a
16	Hexadecimal	1403f62
20	Vigesimal	6b3976
36	Base36	chu8y

Cryptographic Hash Functions

md5	386c853a22afe6986bce752bbfbdaa26
sha1	b7bdb5aa9425d602eb9ba4c278cc300117d762c0
sha256	5852fe30fa79689545bed355885bc70c77c28ecf4d0587197e87e929b719c3ec
sha512	08f5f921feaece44d3a99fd121c3f450f96797da52c2c342bb466b3726e0f6b3ca2fb48553820cb71304a3bd03ffcc3ea774ff3d8abd56f1adccd4a627fda02f
ripemd-160	6b28ea06f6d93fab29e3281c8de475733a5dd953

20987746 as geometric shapes

Circle

Radius = n

Diameter	41975492
Circumference	131869897.29802
Area	1.3838259547684E+15

Sphere

Radius = n

Volume	3.8724516862517E+22
Surface area	5.5353038190737E+15
Circumference	131869897.29802

Square

Length = n

Perimeter	83950984
Area	440485482160516
Diagonal	29681155.036842

Cube

Length = n

Surface area	2642912892963096
Volume	9.2447974162724E+21
Space diagonal	36351842.40835

Equilateral Triangle

Length = n

Perimeter	62963238
Area	1.9073580877462E+14
Altitude	18175921.204175

Triangular Pyramid

Length = n

Surface area	1.9073580877462E+14
Volume	1.089509823957E+21
Height	9893718.3456139