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

20001281 (number)

20001281 is an odd 8-digits composite number following 20001280 and preceding 20001282. In scientific notation, it is written as 2.0001281 × 10^7. The sum of its digits is 14. It has a total of 3 prime factors and 8 positive divisors. There are 18839520 positive integers (up to 20001281) that are relatively prime to 20001281.

Interesting facts

20001281 has 8 divisors, whose sum is 21175200
The reverse of 20001281 is 18210002
Previous prime number is 179

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 14
Digital Root 5

Name

Name	twenty million one thousand two hundred eighty-one

Notation

Scientific notation	2.0001281 × 10^7
Engineering notation	2.0001281 × 10^6

Prime Factorization of 20001281

Prime Factorization 19 × 179 × 5881

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	20001281	Product of the distinct prime numbers

The prime factorization of 20001281 is 19 × 179 × 5881. Since it has a total of 3 prime factors.

Most popular turbo-numbers

4, 2, 58, 28, 622, 94, 8258, 7246, 73102, 71736, 472011, 209245, 1595893, 9956608, 83036060, 58459027, 524147800, 356286096, 2789010718, 1782854899

Basic calculations (n = 20001281)

Multiplication

n×y

n×2	40002562
n×3	60003843
n×4	80005124
n×5	100006405

Division

n÷y

n÷2	10000640.5
n÷3	6667093.6666667
n÷3	5000320.25
n÷5	4000256.2

Exponentiation

n^y

n²	400051241640961
n³	8.0015372984598E+21
n⁴	1.6004099593847E+29
n⁵	3.2010249312853E+36

Nth Root

^y√n

²√n	4472.2791728603
³√n	271.44755681738
⁴√n	66.875101292337
⁵√n	28.854367728391

Divisors of 20001281

1, 19, 179, 3401, 5881, 111739, 1052699, 20001281

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	-20001280	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 20001281 can be divided by 8 positive divisors. The sum of these divisors (counting 20001281) is 1, the average is 0.125.

Base conversion 20001281

Base	System	Value
2	Binary	1001100010011001000000001
3	Ternary	1101122011121012
4	Quaternary	1030103020001
5	Quinary	20110020111
6	Senary	1552410305
8	Octal	114231001
10	Decimal	20001281
12	Duodecimal	6846995
16	Hexadecimal	1313201
20	Vigesimal	650341
36	Base36	bwp35

Cryptographic Hash Functions

md5	d8545ec03564ed8c206c78179da9336f
sha1	42197a869d47b0b2948c7fad0b00607721e40a16
sha256	e7e042ac583a77b40ee5c356349091af6fedde83644e1698ac044a9ea592e1b9
sha512	44d763c4eb81072af11639743d3683631242d39e9e9a18706727730819c9ea42e0850c3f7ca75f0dd3e5c67bbc174e61e9925c57523d745892be3b7ad24ef3de
ripemd-160	add47175f95a9a24aafe5f43ab9bbdd17f6132ae

20001281 as geometric shapes

Circle

Radius = n

Diameter	40002562
Circumference	125671754.90397
Area	1.2567980417987E+15

Sphere

Radius = n

Volume	3.3516761059021E+22
Surface area	5.0271921671949E+15
Circumference	125671754.90397

Square

Length = n

Perimeter	80005124
Area	400051241640961
Diagonal	28286082.855035

Cube

Length = n

Surface area	2400307449845766
Volume	8.0015372984598E+21
Space diagonal	34643234.908462

Equilateral Triangle

Length = n

Perimeter	60003843
Area	1.7322726903829E+14
Altitude	17321617.454231

Triangular Pyramid

Length = n

Surface area	1.7322726903829E+14
Volume	9.42990213943E+20
Height	9428694.2850118