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

20280721 (number)

20280721 is an odd 8-digits prime number following 20280720 and preceding 20280722. In scientific notation, it is written as 2.0280721 × 10^7. The sum of its digits is 22. It has a total of 1 prime factors and 2 positive divisors. There are 20280720 positive integers (up to 20280721) that are relatively prime to 20280721.

Interesting facts

20280721 has 2 divisors, whose sum is 20280722
The reverse of 20280721 is 12708202
Previous prime number is 1

Basic properties

Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 22
Digital Root 4

Name

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

Notation

Scientific notation	2.0280721 × 10^7
Engineering notation	2.0280721 × 10^6

Prime Factorization of 20280721

Prime Factorization 20280721

Composite number

ω	Distinct Factors	1	Total number of distinct prime factors
Ω	Total Factors	1	Total number of prime factors
rad	Radical	20280721	Product of the distinct prime numbers

The prime factorization of 20280721 is 20280721. Since it has a total of 1 prime factors.

Most popular turbo-numbers

7, 7, 78, 78, 274, 513, 5861, 9504, 19897, 45393, 141214, 350445, 8468415, 8653730, 90818145, 76596611, 472483809, 456648905, 839369869, 1959018895

Basic calculations (n = 20280721)

Multiplication

n×y

n×2	40561442
n×3	60842163
n×4	81122884
n×5	101403605

Division

n÷y

n÷2	10140360.5
n÷3	6760240.3333333
n÷3	5070180.25
n÷5	4056144.2

Exponentiation

n^y

n²	411307644279841
n³	8.3416155788067E+21
n⁴	1.6917397824303E+29
n⁵	3.430970253207E+36

Nth Root

^y√n

²√n	4503.412150803
³√n	272.70585572896
⁴√n	67.107467176187
⁵√n	28.934546379113

Divisors of 20280721

1, 20280721

2 divisors

τ	Total Divisors	2	Total number of the positive divisors of n
σ	Sum of Divisors	20280722	Sum of all the positive divisors of n
s	Aliquot Sum	1	Sum of the proper positive divisors of n
A	Arithmetic Mean	10140361	Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G	Geometric Mean	4503.4122618299	Returns the nth root of the product of n divisors
H	Harmonic Mean	1.9999999013842	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20280721 can be divided by 2 positive divisors. The sum of these divisors (counting 20280721) is 20280722, the average is 10140361.

Base conversion 20280721

Base	System	Value
2	Binary	1001101010111010110010001
3	Ternary	1102011100220211
4	Quaternary	1031113112101
5	Quinary	20142440341
6	Senary	2002404121
8	Octal	115272621
10	Decimal	20280721
12	Duodecimal	6960641
16	Hexadecimal	1357591
20	Vigesimal	66f1g1
36	Base36	c2opd

Cryptographic Hash Functions

md5	fbcaf4ba6e60c626061b3d5fb424db07
sha1	fd7d03d1297cdd8ecb7016a149532620459d80d7
sha256	b7bb9f5b7604c42fcb7f15c1507497f1db7b0eb0b31473cde26203069083f7ae
sha512	fa24fb68906bbade8385bc29ccd54e298a86388738d74874798e9833bc1332aac7e87084dfb4a16836080cc57f4eea0e8fd4e6d5214dd809cc0ff2e9252e9882
ripemd-160	e331f70dd56072352fb9294660296e7c21bd9728

20280721 as geometric shapes

Circle

Radius = n

Diameter	40561442
Circumference	127427528.20621
Area	1.2921610736349E+15

Sphere

Radius = n

Volume	3.4941277628599E+22
Surface area	5.1686442945395E+15
Circumference	127427528.20621

Square

Length = n

Perimeter	81122884
Area	411307644279841
Diagonal	28681270.692905

Cube

Length = n

Surface area	2467845865679046
Volume	8.3416155788067E+21
Space diagonal	35127239.186129

Equilateral Triangle

Length = n

Perimeter	60842163
Area	1.7810143435854E+14
Altitude	17563619.593065

Triangular Pyramid

Length = n

Surface area	1.7810143435854E+14
Volume	9.8306882363759E+20
Height	9560423.5643016