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

20804981 (number)

20804981 is an odd 8-digits composite number following 20804980 and preceding 20804982. In scientific notation, it is written as 2.0804981 × 10^7. The sum of its digits is 32. It has a total of 2 prime factors and 4 positive divisors. There are 19709964 positive integers (up to 20804981) that are relatively prime to 20804981.

Interesting facts

20804981 has 4 divisors, whose sum is 21900000
The reverse of 20804981 is 18940802
Previous prime number is 19

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 32
Digital Root 5

Name

Name	twenty million eight hundred four thousand nine hundred eighty-one

Notation

Scientific notation	2.0804981 × 10^7
Engineering notation	2.0804981 × 10^6

Prime Factorization of 20804981

Prime Factorization 19 × 1094999

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	20804981	Product of the distinct prime numbers

The prime factorization of 20804981 is 19 × 1094999. Since it has a total of 2 prime factors.

Most popular turbo-numbers

6, 2, 72, 1, 475, 8, 3797, 5187, 52130, 73031, 706451, 431569, 562304, 4539480, 64127736, 4198179, 946218068, 877172521, 2230792673, 8413087916

Basic calculations (n = 20804981)

Multiplication

n×y

n×2	41609962
n×3	62414943
n×4	83219924
n×5	104024905

Division

n÷y

n÷2	10402490.5
n÷3	6934993.6666667
n÷3	5201245.25
n÷5	4160996.2

Exponentiation

n^y

n²	432847234410361
n³	9.0053784878101E+21
n⁴	1.873567283367E+29
n⁵	3.8979531732672E+36

Nth Root

^y√n

²√n	4561.2477459572
³√n	275.0357242846
⁴√n	67.537010194095
⁵√n	29.082615711429

Divisors of 20804981

1, 19, 1094999, 20804981

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	-20804980	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 20804981 can be divided by 4 positive divisors. The sum of these divisors (counting 20804981) is 1, the average is 0.25.

Base conversion 20804981

Base	System	Value
2	Binary	1001111010111010101110101
3	Ternary	1110011000001212
4	Quaternary	1033113111311
5	Quinary	20311224411
6	Senary	2021531205
8	Octal	117272565
10	Decimal	20804981
12	Duodecimal	6b73b05
16	Hexadecimal	13d7575
20	Vigesimal	6a0c91
36	Base36	cdx85

Cryptographic Hash Functions

md5	aadf30c77b5544a8982b70b03b85fb1e
sha1	aaecaf1a3d18b7b1586e409ba60419d7b2a1a909
sha256	ab235a35db82ca222567afb29cf2b470b7af75bd6346d68cf8f95390b4564041
sha512	f836f4830a3ac1589ef0046e670179c1768f07b95082d7a8cb5641e1f1be58f13864f4644f38b634814f57ea65ebefb1583a0720d6cdc19bbd3dae052d6c5e24
ripemd-160	4e1ef7b48ce18b9577d00257fe63c9f78f602359

20804981 as geometric shapes

Circle

Radius = n

Diameter	41609962
Circumference	130721550.93535
Area	1.3598296917502E+15

Sphere

Radius = n

Volume	3.7721641200133E+22
Surface area	5.439318767001E+15
Circumference	130721550.93535

Square

Length = n

Perimeter	83219924
Area	432847234410361
Diagonal	29422686.295115

Cube

Length = n

Surface area	2597083406462166
Volume	9.0053784878101E+21
Space diagonal	36035284.142505

Equilateral Triangle

Length = n

Perimeter	62414943
Area	1.8742835047861E+14
Altitude	18017642.071253

Triangular Pyramid

Length = n

Surface area	1.8742835047861E+14
Volume	1.061294032647E+21
Height	9807562.0983715