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

20981489 (number)

20981489 is an odd 8-digits composite number following 20981488 and preceding 20981490. In scientific notation, it is written as 2.0981489 × 10^7. The sum of its digits is 41. It has a total of 2 prime factors and 4 positive divisors. There are 20939760 positive integers (up to 20981489) that are relatively prime to 20981489.

Interesting facts

20981489 has 4 divisors, whose sum is 21023220
The reverse of 20981489 is 98418902
Previous prime number is 509

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 41
Digital Root 5

Name

Name	twenty million nine hundred eighty-one thousand four hundred eighty-nine

Notation

Scientific notation	2.0981489 × 10^7
Engineering notation	2.0981489 × 10^6

Prime Factorization of 20981489

Prime Factorization 509 × 41221

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	20981489	Product of the distinct prime numbers

The prime factorization of 20981489 is 509 × 41221. Since it has a total of 2 prime factors.

Most popular turbo-numbers

3, 10, 84, 8, 242, 954, 224, 1871, 48929, 83591, 705826, 842144, 2543125, 7506101, 74972680, 79551780, 591690413, 498464385, 9874400025, 2834745432

Basic calculations (n = 20981489)

Multiplication

n×y

n×2	41962978
n×3	62944467
n×4	83925956
n×5	104907445

Division

n÷y

n÷2	10490744.5
n÷3	6993829.6666667
n÷3	5245372.25
n÷5	4196297.8

Exponentiation

n^y

n²	440222880657121
n³	9.2365315280557E+21
n⁴	1.9379618465405E+29
n⁵	4.066132516561E+36

Nth Root

^y√n

²√n	4580.5555339937
³√n	275.81132960863
⁴√n	67.67980152153
⁵√n	29.131796070831

Divisors of 20981489

1, 509, 41221, 20981489

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	-20981488	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 20981489 can be divided by 4 positive divisors. The sum of these divisors (counting 20981489) is 1, the average is 0.25.

Base conversion 20981489

Base	System	Value
2	Binary	1010000000010011011110001
3	Ternary	1110110222012012
4	Quaternary	1100002123301
5	Quinary	20332401424
6	Senary	2025412305
8	Octal	120023361
10	Decimal	20981489
12	Duodecimal	703a095
16	Hexadecimal	14026f1
20	Vigesimal	6b2de9
36	Base36	chpf5

Cryptographic Hash Functions

md5	4f251335304e294bb7cc2293ffc27f40
sha1	73b48923f8911555e9fb8a21054570a7dc117b64
sha256	fc8e0664b10dd9f47f48dde99f0d9107a78b17ee8d5f0140782adf6ca82511a7
sha512	8b407055935ea2b5e45b0e19bc88d5b1a60c57876304c0cbd49e2b226cf060b039d1de757c6699deac9ff5fc86d460a51d4f821d91092b7cbd775bfe716cdc8c
ripemd-160	59d213dcd5364b0afea68852dae6b1c75acb5d1f

20981489 as geometric shapes

Circle

Radius = n

Diameter	41962978
Circumference	131830583.40755
Area	1.3830009678145E+15

Sphere

Radius = n

Volume	3.868989279092E+22
Surface area	5.5320038712582E+15
Circumference	131830583.40755

Square

Length = n

Perimeter	83925956
Area	440222880657121
Diagonal	29672306.302582

Cube

Length = n

Surface area	2641337283942726
Volume	9.2365315280557E+21
Space diagonal	36341004.966448

Equilateral Triangle

Length = n

Perimeter	62944467
Area	1.9062209898812E+14
Altitude	18170502.483224

Triangular Pyramid

Length = n

Surface area	1.9062209898812E+14
Volume	1.0885356796886E+21
Height	9890768.7675273