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

20804987 (number)

20804987 is an odd 8-digits composite number following 20804986 and preceding 20804988. In scientific notation, it is written as 2.0804987 × 10^7. The sum of its digits is 38. It has a total of 2 prime factors and 4 positive divisors. There are 17832840 positive integers (up to 20804987) that are relatively prime to 20804987.

Interesting facts

20804987 has 4 divisors, whose sum is 23777136
The reverse of 20804987 is 78940802
Previous prime number is 7

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 38
Digital Root 2

Name

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

Notation

Scientific notation	2.0804987 × 10^7
Engineering notation	2.0804987 × 10^6

Prime Factorization of 20804987

Prime Factorization 7 × 2972141

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	20804987	Product of the distinct prime numbers

The prime factorization of 20804987 is 7 × 2972141. Since it has a total of 2 prime factors.

Most popular turbo-numbers

1, 6, 28, 36, 284, 106, 3877, 539, 69444, 29011, 114862, 584569, 4453463, 1531882, 10668011, 6527356, 905888050, 257117641, 2774002266, 6000837495

Basic calculations (n = 20804987)

Multiplication

n×y

n×2	41609974
n×3	62414961
n×4	83219948
n×5	104024935

Division

n÷y

n÷2	10402493.5
n÷3	6934995.6666667
n÷3	5201246.75
n÷5	4160997.4

Exponentiation

n^y

n²	432847484070169
n³	9.0053862790626E+21
n⁴	1.8735694446588E+29
n⁵	3.8979587939723E+36

Nth Root

^y√n

²√n	4561.248403672
³√n	275.03575072401
⁴√n	67.537015063385
⁵√n	29.082617388871

Divisors of 20804987

1, 7, 2972141, 20804987

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	-20804986	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 20804987 can be divided by 4 positive divisors. The sum of these divisors (counting 20804987) is 1, the average is 0.25.

Base conversion 20804987

Base	System	Value
2	Binary	1001111010111010101111011
3	Ternary	1110011000002002
4	Quaternary	1033113111323
5	Quinary	20311224422
6	Senary	2021531215
8	Octal	117272573
10	Decimal	20804987
12	Duodecimal	6b73b0b
16	Hexadecimal	13d757b
20	Vigesimal	6a0c97
36	Base36	cdx8b

Cryptographic Hash Functions

md5	8608f354f9caa3ecf6d843a29c5d2799
sha1	e804a5a98345bbf0022ea624bb4f10704c21fa07
sha256	4d381004e9cbef16a80cbc49bc37029694572e861e4a1787f4a6d999854d1d31
sha512	66f72934dea18bb7dc499070a411dc855b3288e44739879d3e5079063fe6381483f169bae8045d8cc51d17c6eb595ac2c24a820b7029c7d69b17ea7713f41694
ripemd-160	4174ed78e8a6b236bd48d16378b037d7f6351887

20804987 as geometric shapes

Circle

Radius = n

Diameter	41609974
Circumference	130721588.63446
Area	1.3598304760797E+15

Sphere

Radius = n

Volume	3.7721673836055E+22
Surface area	5.4393219043187E+15
Circumference	130721588.63446

Square

Length = n

Perimeter	83219948
Area	432847484070169
Diagonal	29422694.780396

Cube

Length = n

Surface area	2597084904421014
Volume	9.0053862790626E+21
Space diagonal	36035294.53481

Equilateral Triangle

Length = n

Perimeter	62414961
Area	1.8742845858447E+14
Altitude	18017647.267405

Triangular Pyramid

Length = n

Surface area	1.8742845858447E+14
Volume	1.0612949508549E+21
Height	9807564.9267986