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

20781321 (number)

20781321 is an odd 8-digits composite number following 20781320 and preceding 20781322. In scientific notation, it is written as 2.0781321 × 10^7. The sum of its digits is 24. It has a total of 3 prime factors and 8 positive divisors. There are 12594720 positive integers (up to 20781321) that are relatively prime to 20781321.

Interesting facts

20781321 has 8 divisors, whose sum is 30227424
The reverse of 20781321 is 12318702
Previous prime number is 11

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 24
Digital Root 6

Name

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

Notation

Scientific notation	2.0781321 × 10^7
Engineering notation	2.0781321 × 10^6

Prime Factorization of 20781321

Prime Factorization 3 × 11 × 629737

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	20781321	Product of the distinct prime numbers

The prime factorization of 20781321 is 3 × 11 × 629737. Since it has a total of 3 prime factors.

Most popular turbo-numbers

4, 3, 15, 44, 540, 187, 1704, 2393, 74682, 31345, 350900, 869140, 3956479, 7621307, 92763860, 43789898, 524112763, 254909779, 1489497582, 3132788846

Basic calculations (n = 20781321)

Multiplication

n×y

n×2	41562642
n×3	62343963
n×4	83125284
n×5	103906605

Division

n÷y

n÷2	10390660.5
n÷3	6927107
n÷3	5195330.25
n÷5	4156264.2

Exponentiation

n^y

n²	431863302505041
n³	8.9746899174774E+21
n⁴	1.8650591205056E+29
n⁵	3.8758392267205E+36

Nth Root

^y√n

²√n	4558.6534195966
³√n	274.93142532571
⁴√n	67.51780076096
⁵√n	29.07599798936

Divisors of 20781321

1, 3, 11, 33, 629737, 1889211, 6927107, 20781321

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	-20781320	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 20781321 can be divided by 8 positive divisors. The sum of these divisors (counting 20781321) is 1, the average is 0.125.

Base conversion 20781321

Base	System	Value
2	Binary	1001111010001100100001001
3	Ternary	1110002210121120
4	Quaternary	1033101210021
5	Quinary	20310000241
6	Senary	2021225453
8	Octal	117214411
10	Decimal	20781321
12	Duodecimal	6b62289
16	Hexadecimal	13d1909
20	Vigesimal	69hd61
36	Base36	cdeyx

Cryptographic Hash Functions

md5	b699c4270ac5e821abadfc53de6aed58
sha1	0ce141049fd601c34c561d229c03d1bcfec3d3ba
sha256	8ef6361ec0c81487d73da750e451a1b27b954f6931160c59ae51969534f44df2
sha512	1cfbda5f148f3b82d8308c8c3cd96059d1abc2d98b8b714fee466578224ed67d1d724fa0c41f9dadd3453ef636b50657e283dcb9fdbb077ebeabf68e576f3928
ripemd-160	9a812cd3d315e7bc6c7abca82b50d183bae05b29

20781321 as geometric shapes

Circle

Radius = n

Diameter	41562642
Circumference	130572890.77098
Area	1.3567385785049E+15

Sphere

Radius = n

Volume	3.7593093217324E+22
Surface area	5.4269543140195E+15
Circumference	130572890.77098

Square

Length = n

Perimeter	83125284
Area	431863302505041
Diagonal	29389226.002229

Cube

Length = n

Surface area	2591179815030246
Volume	8.9746899174774E+21
Space diagonal	35994303.820398

Equilateral Triangle

Length = n

Perimeter	62343963
Area	1.870022954658E+14
Altitude	17997151.910199

Triangular Pyramid

Length = n

Surface area	1.870022954658E+14
Volume	1.0576773499491E+21
Height	9796408.6674096