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

20009905 (number)

20009905 is an odd 8-digits composite number following 20009904 and preceding 20009906. In scientific notation, it is written as 2.0009905 × 10^7. The sum of its digits is 25. It has a total of 3 prime factors and 8 positive divisors. There are 15990000 positive integers (up to 20009905) that are relatively prime to 20009905.

Interesting facts

20009905 has 8 divisors, whose sum is 24038784
The reverse of 20009905 is 50990002
Previous prime number is 1231

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 25
Digital Root 7

Name

Name	twenty million nine thousand nine hundred five

Notation

Scientific notation	2.0009905 × 10^7
Engineering notation	2.0009905 × 10^6

Prime Factorization of 20009905

Prime Factorization 5 × 1231 × 3251

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	20009905	Product of the distinct prime numbers

The prime factorization of 20009905 is 5 × 1231 × 3251. Since it has a total of 3 prime factors.

Most popular turbo-numbers

6, 10, 89, 7, 701, 296, 242, 2488, 15578, 87251, 972458, 546400, 9139811, 1857484, 45554434, 94125964, 369477232, 500912562, 1818676051, 7525906247

Basic calculations (n = 20009905)

Multiplication

n×y

n×2	40019810
n×3	60029715
n×4	80039620
n×5	100049525

Division

n÷y

n÷2	10004952.5
n÷3	6669968.3333333
n÷3	5002476.25
n÷5	4001981

Exponentiation

n^y

n²	400396298109025
n³	8.0118918875133E+21
n⁴	1.6031719553941E+29
n⁵	3.20793185261E+36

Nth Root

^y√n

²√n	4473.2432305878
³√n	271.48656477488
⁴√n	66.882308801266
⁵√n	28.856855540659

Divisors of 20009905

1, 5, 1231, 3251, 6155, 16255, 4001981, 20009905

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	-20009904	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 20009905 can be divided by 8 positive divisors. The sum of these divisors (counting 20009905) is 1, the average is 0.125.

Base conversion 20009905

Base	System	Value
2	Binary	1001100010101001110110001
3	Ternary	1101122121102121
4	Quaternary	1030111032301
5	Quinary	20110304110
6	Senary	1552514241
8	Octal	114251661
10	Decimal	20009905
12	Duodecimal	684b981
16	Hexadecimal	13153b1
20	Vigesimal	6514f5
36	Base36	bwvqp

Cryptographic Hash Functions

md5	16d3d7757da6d53099aa18517c7d4cba
sha1	2b15a56a4529397f0f10c6eee781e7f38cc3bc16
sha256	96c5b34e781512959bf30a48ac38e485b853d1cc1f3832298d4acf2a6c026021
sha512	e82d9fadf574a3a57bd54d905d2ae5c381076f9691ef15029556eed2211cf8c6982acead42e9f3e5cce73b26a8b08709d3ae1c2af3d4e209016fc2af7a431045
ripemd-160	f9c93f44e104a9705437901c4c1f4e1cabb92869

20009905 as geometric shapes

Circle

Radius = n

Diameter	40019810
Circumference	125725941.09406
Area	1.2578820686639E+15

Sphere

Radius = n

Volume	3.3560134260223E+22
Surface area	5.0315282746554E+15
Circumference	125725941.09406

Square

Length = n

Perimeter	80039620
Area	400396298109025
Diagonal	28298279.032797

Cube

Length = n

Surface area	2402377788654150
Volume	8.0118918875133E+21
Space diagonal	34658172.114627

Equilateral Triangle

Length = n

Perimeter	60029715
Area	1.7337668287183E+14
Altitude	17329086.057313

Triangular Pyramid

Length = n

Surface area	1.7337668287183E+14
Volume	9.4421051396569E+20
Height	9432759.6775991