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

20221281 (number)

20221281 is an odd 8-digits composite number following 20221280 and preceding 20221282. In scientific notation, it is written as 2.0221281 × 10^7. The sum of its digits is 18. It has a total of 3 prime factors and 8 positive divisors. There are 13428024 positive integers (up to 20221281) that are relatively prime to 20221281.

Interesting facts

20221281 has 8 divisors, whose sum is 22556160
The reverse of 20221281 is 18212202
Previous prime number is 263

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 18
Digital Root 9

Name

Name	twenty million two hundred twenty-one thousand two hundred eighty-one

Notation

Scientific notation	2.0221281 × 10^7
Engineering notation	2.0221281 × 10^6

Prime Factorization of 20221281

Prime Factorization 9 × 263 × 8543

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	20221281	Product of the distinct prime numbers

The prime factorization of 20221281 is 9 × 263 × 8543. Since it has a total of 3 prime factors.

Most popular turbo-numbers

9, 7, 55, 47, 865, 615, 2638, 4068, 97005, 3207, 231142, 408276, 7692067, 8642866, 16463134, 29637401, 120698444, 350678144, 4455272545, 6788435160

Basic calculations (n = 20221281)

Multiplication

n×y

n×2	40442562
n×3	60663843
n×4	80885124
n×5	101106405

Division

n÷y

n÷2	10110640.5
n÷3	6740427
n÷3	5055320.25
n÷5	4044256.2

Exponentiation

n^y

n²	408900205280961
n³	8.268485951944E+21
n⁴	1.6719937787881E+29
n⁵	3.3809856031126E+36

Nth Root

^y√n

²√n	4496.8078678102
³√n	272.43917392197
⁴√n	67.058242355509
⁵√n	28.917565826302

Divisors of 20221281

1, 9, 263, 2367, 8543, 76887, 2246809, 20221281

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	-20221280	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 20221281 can be divided by 8 positive divisors. The sum of these divisors (counting 20221281) is 1, the average is 0.125.

Base conversion 20221281

Base	System	Value
2	Binary	1001101001000110101100001
3	Ternary	1102001100101100
4	Quaternary	1031020311201
5	Quinary	20134040111
6	Senary	2001225013
8	Octal	115106541
10	Decimal	20221281
12	Duodecimal	6932169
16	Hexadecimal	1348d61
20	Vigesimal	667d41
36	Base36	c1eu9

Cryptographic Hash Functions

md5	8853c6e1bc326d86034c8adc332f7070
sha1	1ea839c97ff89bce5b7bffc2e52c427131fa41a7
sha256	2e3e85e42f12169af079f9381f2bd5ce3e6295dc7d4f25b249a3e22c8989eb9c
sha512	9f3ddf445cda9c674c6ce5b5a865eae7105cb173f5486e94dcf0e92fb6c3a87603acea2c1fd333fcb586c35ebacd387905ac761909dba6dabc90088acdc8d501
ripemd-160	b5a5f4ee6414444d149cd252cb4b024faa318221

20221281 as geometric shapes

Circle

Radius = n

Diameter	40442562
Circumference	127054055.67155
Area	1.284597880962E+15

Sphere

Radius = n

Volume	3.4634952963917E+22
Surface area	5.1383915238481E+15
Circumference	127054055.67155

Square

Length = n

Perimeter	80885124
Area	408900205280961
Diagonal	28597209.838757

Cube

Length = n

Surface area	2453401231685766
Volume	8.268485951944E+21
Space diagonal	35024286.086127

Equilateral Triangle

Length = n

Perimeter	60663843
Area	1.7705898269299E+14
Altitude	17512143.043064

Triangular Pyramid

Length = n

Surface area	1.7705898269299E+14
Volume	9.7445041446088E+20
Height	9532403.2795858