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

20787021 (number)

20787021 is an odd 8-digits composite number following 20787020 and preceding 20787022. In scientific notation, it is written as 2.0787021 × 10^7. The sum of its digits is 27. It has a total of 2 prime factors and 4 positive divisors. There are 13858008 positive integers (up to 20787021) that are relatively prime to 20787021.

Interesting facts

20787021 has 4 divisors, whose sum is 23096700
The reverse of 20787021 is 12078702
Previous prime number is 9

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 27
Digital Root 9

Name

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

Notation

Scientific notation	2.0787021 × 10^7
Engineering notation	2.0787021 × 10^6

Prime Factorization of 20787021

Prime Factorization 9 × 2309669

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	20787021	Product of the distinct prime numbers

The prime factorization of 20787021 is 9 × 2309669. Since it has a total of 2 prime factors.

Most popular turbo-numbers

9, 5, 48, 81, 642, 819, 627, 6227, 51018, 42229, 775203, 117883, 9856118, 818392, 76388732, 36887308, 534775534, 644367497, 7459612887, 604078184

Basic calculations (n = 20787021)

Multiplication

n×y

n×2	41574042
n×3	62361063
n×4	83148084
n×5	103935105

Division

n÷y

n÷2	10393510.5
n÷3	6929007
n÷3	5196755.25
n÷5	4157404.2

Exponentiation

n^y

n²	432100242054441
n³	8.9820768056907E+21
n⁴	1.8671061918351E+29
n⁵	3.8811575618906E+36

Nth Root

^y√n

²√n	4559.2785613516
³√n	274.95655952946
⁴√n	67.522430061066
⁵√n	29.077592835118

Divisors of 20787021

1, 9, 2309669, 20787021

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	-20787020	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 20787021 can be divided by 4 positive divisors. The sum of these divisors (counting 20787021) is 1, the average is 0.25.

Base conversion 20787021

Base	System	Value
2	Binary	1001111010010111101001101
3	Ternary	1110010002102200
4	Quaternary	1033102331031
5	Quinary	20310141041
6	Senary	2021312113
8	Octal	117227515
10	Decimal	20787021
12	Duodecimal	6b65639
16	Hexadecimal	13d2f4d
20	Vigesimal	69i7b1
36	Base36	cdjd9

Cryptographic Hash Functions

md5	f196c98251348914d92ad948d3723ea1
sha1	9e405be8f8b6421685c1fb462e02fc0811ab9fa9
sha256	3e842a31e0db02f361025230c3e6adda2e1e92e140b7452ec4aca34bea7dcd12
sha512	98b82acccb3c5a33862cd3ad8e5574df3f149fc8798238f83e5029b0dab1b6684140819ea60ad98a228f81e7210018f94801f5219ecbcc4e91c08632d0bb1609
ripemd-160	197f398c051ceb8bfc3c0e0de22484a818571226

20787021 as geometric shapes

Circle

Radius = n

Diameter	41574042
Circumference	130608704.92723
Area	1.3574829460526E+15

Sphere

Radius = n

Volume	3.7624035342316E+22
Surface area	5.4299317842104E+15
Circumference	130608704.92723

Square

Length = n

Perimeter	83148084
Area	432100242054441
Diagonal	29397287.019534

Cube

Length = n

Surface area	2592601452326646
Volume	8.9820768056907E+21
Space diagonal	36004176.510001

Equilateral Triangle

Length = n

Perimeter	62361063
Area	1.8710489330028E+14
Altitude	18002088.255001

Triangular Pyramid

Length = n

Surface area	1.8710489330028E+14
Volume	1.0585479030737E+21
Height	9799095.6731781