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

20665989 (number)

20665989 is an odd 8-digits composite number following 20665988 and preceding 20665990. In scientific notation, it is written as 2.0665989 × 10^7. The sum of its digits is 45. It has a total of 5 prime factors and 16 positive divisors. There are 13542768 positive integers (up to 20665989) that are relatively prime to 20665989.

Interesting facts

20665989 has 16 divisors, whose sum is 31137600
The reverse of 20665989 is 98956602
Previous prime number is 59

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 45
Digital Root 9

Name

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

Notation

Scientific notation	2.0665989 × 10^7
Engineering notation	2.0665989 × 10^6

Prime Factorization of 20665989

Prime Factorization 3 × 3 × 3 × 59 × 12973

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	5	Total number of prime factors
rad	Radical	2296221	Product of the distinct prime numbers

The prime factorization of 20665989 is 3 × 3 × 3 × 59 × 12973. Since it has a total of 5 prime factors.

Most popular turbo-numbers

8, 8, 70, 61, 892, 995, 1697, 2465, 67106, 89877, 944917, 765482, 9391453, 1925608, 3523231, 63607277, 13804649, 860163181, 8563945882, 2231913997

Basic calculations (n = 20665989)

Multiplication

n×y

n×2	41331978
n×3	61997967
n×4	82663956
n×5	103329945

Division

n÷y

n÷2	10332994.5
n÷3	6888663
n÷3	5166497.25
n÷5	4133197.8

Exponentiation

n^y

n²	427083101348121
n³	8.8260946745462E+21
n⁴	1.8239997545713E+29
n⁵	3.7694758863973E+36

Nth Root

^y√n

²√n	4545.9860316547
³√n	274.42187749677
⁴√n	67.423927738265
⁵√n	29.043652960493

Divisors of 20665989

1, 3, 9, 27, 59, 177, 531, 1593, 12973, 38919, 116757, 350271, 765407, 2296221, 6888663, 20665989

16 divisors

τ	Total Divisors	16	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-20665988	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.0625	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	16	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20665989 can be divided by 16 positive divisors. The sum of these divisors (counting 20665989) is 1, the average is 0.0625.

Base conversion 20665989

Base	System	Value
2	Binary	1001110110101011010000101
3	Ternary	1102212221102000
4	Quaternary	1032311122011
5	Quinary	20242302424
6	Senary	2014535513
8	Octal	116653205
10	Decimal	20665989
12	Duodecimal	6b07599
16	Hexadecimal	13b5685
20	Vigesimal	6934j9
36	Base36	caxz9

Cryptographic Hash Functions

md5	f665152954264f67fda1147af892c6a2
sha1	bccd56fa062a4311af19e06c56fee0209418bc9c
sha256	6011e8c142051270d56f7d62c5247a30e16894760e1ec4ed141f6e221a3b754f
sha512	a63ece6a1443fc500394e8bcb5ec45a35b62d0bd6615a86a131a5750ed247c3107581837c0aba0376c5c8becc55131ab8273b74bb4a8770fc2a84d2a99bb5a50
ripemd-160	1b766e2fbc7a651ca1921c0492400d035d6d1d31

20665989 as geometric shapes

Circle

Radius = n

Diameter	41331978
Circumference	129848238.44313
Area	1.3417211336676E+15

Sphere

Radius = n

Volume	3.6970658919256E+22
Surface area	5.3668845346704E+15
Circumference	129848238.44313

Square

Length = n

Perimeter	82663956
Area	427083101348121
Diagonal	29226121.923653

Cube

Length = n

Surface area	2562498608088726
Volume	8.8260946745462E+21
Space diagonal	35794542.93666

Equilateral Triangle

Length = n

Perimeter	61997967
Area	1.8493240764726E+14
Altitude	17897271.46833

Triangular Pyramid

Length = n

Surface area	1.8493240764726E+14
Volume	1.0401652326277E+21
Height	9742040.6412177