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

20506989 (number)

20506989 is an odd 8-digits composite number following 20506988 and preceding 20506990. In scientific notation, it is written as 2.0506989 × 10^7. The sum of its digits is 39. It has a total of 2 prime factors and 4 positive divisors. There are 13671324 positive integers (up to 20506989) that are relatively prime to 20506989.

Interesting facts

20506989 has 4 divisors, whose sum is 27342656
The reverse of 20506989 is 98960502
Previous prime number is 3

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 39
Digital Root 3

Name

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

Notation

Scientific notation	2.0506989 × 10^7
Engineering notation	2.0506989 × 10^6

Prime Factorization of 20506989

Prime Factorization 3 × 6835663

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	20506989	Product of the distinct prime numbers

The prime factorization of 20506989 is 3 × 6835663. Since it has a total of 2 prime factors.

Most popular turbo-numbers

2, 4, 20, 18, 937, 50, 6525, 2102, 96254, 24682, 241757, 222011, 5128721, 6596505, 59648116, 80071878, 388133667, 934212222, 7709223012, 3573010535

Basic calculations (n = 20506989)

Multiplication

n×y

n×2	41013978
n×3	61520967
n×4	82027956
n×5	102534945

Division

n÷y

n÷2	10253494.5
n÷3	6835663
n÷3	5126747.25
n÷5	4101397.8

Exponentiation

n^y

n²	420536597846121
n³	8.6239393861278E+21
n⁴	1.7685103012799E+29
n⁵	3.6266821294734E+36

Nth Root

^y√n

²√n	4528.4643092333
³√n	273.71628241337
⁴√n	67.293865316486
⁵√n	28.998823568701

Divisors of 20506989

1, 3, 6835663, 20506989

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	-20506988	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 20506989 can be divided by 4 positive divisors. The sum of these divisors (counting 20506989) is 1, the average is 0.25.

Base conversion 20506989

Base	System	Value
2	Binary	1001110001110100101101101
3	Ternary	1102120212022010
4	Quaternary	1032032211231
5	Quinary	20222210424
6	Senary	2011311433
8	Octal	116164555
10	Decimal	20506989
12	Duodecimal	6a4b579
16	Hexadecimal	138e96d
20	Vigesimal	683799
36	Base36	c7jal

Cryptographic Hash Functions

md5	ee99b7a782f9d8f289cdfc18087dc392
sha1	e8fdf90cc99498d7d78bf7af070c264c250fd58b
sha256	993b3adbd7c71ed5f5d97adb712a628e40b47941d30650e2b8a685c98d92dfab
sha512	061507d33e2599ac3b847f383087978cb9003daa609fbbf3e45f349af9446ee93185d668cdfafffcce65cb6c375f7d79de854c5caf25cd3c467e73811f9e1ecc
ripemd-160	4ce27f112f475d43f0128d3b7ac5bdc037938565

20506989 as geometric shapes

Circle

Radius = n

Diameter	41013978
Circumference	128849211.97929
Area	1.321154686359E+15

Sphere

Radius = n

Volume	3.6123872827284E+22
Surface area	5.2846187454361E+15
Circumference	128849211.97929

Square

Length = n

Perimeter	82027956
Area	420536597846121
Diagonal	29001261.967236

Cube

Length = n

Surface area	2523219587076726
Volume	8.6239393861278E+21
Space diagonal	35519146.858256

Equilateral Triangle

Length = n

Perimeter	61520967
Area	1.8209768847791E+14
Altitude	17759573.429128

Triangular Pyramid

Length = n

Surface area	1.8209768847791E+14
Volume	1.0163410034121E+21
Height	9667087.322412