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

20820281 (number)

20820281 is an odd 8-digits composite number following 20820280 and preceding 20820282. In scientific notation, it is written as 2.0820281 × 10^7. The sum of its digits is 23. It has a total of 2 prime factors and 4 positive divisors. There are 20803200 positive integers (up to 20820281) that are relatively prime to 20820281.

Interesting facts

20820281 has 4 divisors, whose sum is 20837364
The reverse of 20820281 is 18202802
Previous prime number is 1321

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 23
Digital Root 5

Name

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

Notation

Scientific notation	2.0820281 × 10^7
Engineering notation	2.0820281 × 10^6

Prime Factorization of 20820281

Prime Factorization 1321 × 15761

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	20820281	Product of the distinct prime numbers

The prime factorization of 20820281 is 1321 × 15761. Since it has a total of 2 prime factors.

Most popular turbo-numbers

2, 6, 5, 81, 830, 323, 989, 9506, 52329, 16604, 809121, 143700, 1889779, 8663293, 13824073, 60332756, 702055603, 557483606, 6688584383, 6664315702

Basic calculations (n = 20820281)

Multiplication

n×y

n×2	41640562
n×3	62460843
n×4	83281124
n×5	104101405

Division

n÷y

n÷2	10410140.5
n÷3	6940093.6666667
n÷3	5205070.25
n÷5	4164056.2

Exponentiation

n^y

n²	433484100918961
n³	9.0252607901651E+21
n⁴	1.8790846574952E+29
n⁵	3.9123070591839E+36

Nth Root

^y√n

²√n	4562.9246103787
³√n	275.10312826299
⁴√n	67.549423464444
⁵√n	29.086891929584

Divisors of 20820281

1, 1321, 15761, 20820281

4 divisors

τ	Total Divisors	4	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-20820280	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.25	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	4	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20820281 can be divided by 4 positive divisors. The sum of these divisors (counting 20820281) is 1, the average is 0.25.

Base conversion 20820281

Base	System	Value
2	Binary	1001111011011000100111001
3	Ternary	1110011210001112
4	Quaternary	1033123010321
5	Quinary	20312222111
6	Senary	2022130105
8	Octal	117330471
10	Decimal	20820281
12	Duodecimal	6b80935
16	Hexadecimal	13db139
20	Vigesimal	6a2ae1
36	Base36	ce915

Cryptographic Hash Functions

md5	c6497cac6c5a214c257231d3597b20b2
sha1	7887247710c4fdfd468323270de9005fcf516cc2
sha256	4a71dac1b7c028554f13ddb85411b3a74423b04670ff232a0f82a2f33bb7ac85
sha512	e3424e59f505bfda5dd33c175fdc36fbe2f86099fac19d3a5eb42791d71997046adfcd350f6929256ec15e667167b482d1674ba5222befede3d4578968e84482
ripemd-160	3bdfe1720eb1788ba666232082c2933080f17539

20820281 as geometric shapes

Circle

Radius = n

Diameter	41640562
Circumference	130817683.67055
Area	1.361830466895E+15

Sphere

Radius = n

Volume	3.7804923993486E+22
Surface area	5.4473218675799E+15
Circumference	130817683.67055

Square

Length = n

Perimeter	83281124
Area	433484100918961
Diagonal	29444323.762619

Cube

Length = n

Surface area	2600904605513766
Volume	9.0252607901651E+21
Space diagonal	36061784.519861

Equilateral Triangle

Length = n

Perimeter	62460843
Area	1.8770412176624E+14
Altitude	18030892.25993

Triangular Pyramid

Length = n

Surface area	1.8770412176624E+14
Volume	1.0636371844505E+21
Height	9814774.5875396