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

20989505 (number)

20989505 is an odd 8-digits composite number following 20989504 and preceding 20989506. In scientific notation, it is written as 2.0989505 × 10^7. The sum of its digits is 38. It has a total of 3 prime factors and 8 positive divisors. There are 16767616 positive integers (up to 20989505) that are relatively prime to 20989505.

Interesting facts

20989505 has 8 divisors, whose sum is 25223400
The reverse of 20989505 is 50598902
Previous prime number is 809

Basic properties

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

Name

Name	twenty million nine hundred eighty-nine thousand five hundred five

Notation

Scientific notation	2.0989505 × 10^7
Engineering notation	2.0989505 × 10^6

Prime Factorization of 20989505

Prime Factorization 5 × 809 × 5189

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	20989505	Product of the distinct prime numbers

The prime factorization of 20989505 is 5 × 809 × 5189. Since it has a total of 3 prime factors.

Most popular turbo-numbers

9, 3, 27, 11, 236, 140, 3600, 1207, 4897, 4226, 382420, 500448, 2081891, 5769751, 46786556, 99590151, 642078367, 434391595, 5873722119, 7314861218

Basic calculations (n = 20989505)

Multiplication

n×y

n×2	41979010
n×3	62968515
n×4	83958020
n×5	104947525

Division

n÷y

n÷2	10494752.5
n÷3	6996501.6666667
n÷3	5247376.25
n÷5	4197901

Exponentiation

n^y

n²	440559320145025
n³	9.2471220529806E+21
n⁴	1.9409251456665E+29
n⁵	4.0739058049592E+36

Nth Root

^y√n

²√n	4581.4304534719
³√n	275.84644980622
⁴√n	67.686264880491
⁵√n	29.134021697418

Divisors of 20989505

1, 5, 809, 4045, 5189, 25945, 4197901, 20989505

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	-20989504	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 20989505 can be divided by 8 positive divisors. The sum of these divisors (counting 20989505) is 1, the average is 0.125.

Base conversion 20989505

Base	System	Value
2	Binary	1010000000100011001000001
3	Ternary	1110111101012002
4	Quaternary	1100010121001
5	Quinary	20333131010
6	Senary	2025513345
8	Octal	120043101
10	Decimal	20989505
12	Duodecimal	7042855
16	Hexadecimal	1404641
20	Vigesimal	6b3df5
36	Base36	chvlt

Cryptographic Hash Functions

md5	d087fba0c1255be6b43725f50abb2ead
sha1	7f99e18d02e7fc62351f3505c2510fa47b40e591
sha256	00f2a006d9e63051a7783e72374557eb472e66344e4dd18e2e977d2cfce0e471
sha512	222857b44aa97b6e392f405ff6e9a14005677b5175e2698cd11821555292b59f1bf5dba275e662f8d9bafe5a179b061616a6bdbe0a21ce84efbe30ddc289b6e1
ripemd-160	f4e4e9915fe43df9966baa22d521480297db3df0

20989505 as geometric shapes

Circle

Radius = n

Diameter	41979010
Circumference	131880949.42097
Area	1.3840579236381E+15

Sphere

Radius = n

Volume	3.8734254277989E+22
Surface area	5.5362316945525E+15
Circumference	131880949.42097

Square

Length = n

Perimeter	83958020
Area	440559320145025
Diagonal	29683642.638498

Cube

Length = n

Surface area	2643355920870150
Volume	9.2471220529806E+21
Space diagonal	36354889.085721

Equilateral Triangle

Length = n

Perimeter	62968515
Area	1.907677815598E+14
Altitude	18177444.54286

Triangular Pyramid

Length = n

Surface area	1.907677815598E+14
Volume	1.0897837850204E+21
Height	9894547.546166