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

20989813 (number)

20989813 is an odd 8-digits composite number following 20989812 and preceding 20989814. In scientific notation, it is written as 2.0989813 × 10^7. The sum of its digits is 40. It has a total of 3 prime factors and 8 positive divisors. There are 18355248 positive integers (up to 20989813) that are relatively prime to 20989813.

Interesting facts

20989813 has 8 divisors, whose sum is 23794400
The reverse of 20989813 is 31898902
Previous prime number is 19

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 40
Digital Root 4

Name

Name	twenty million nine hundred eighty-nine thousand eight hundred thirteen

Notation

Scientific notation	2.0989813 × 10^7
Engineering notation	2.0989813 × 10^6

Prime Factorization of 20989813

Prime Factorization 13 × 19 × 84979

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	20989813	Product of the distinct prime numbers

The prime factorization of 20989813 is 13 × 19 × 84979. Since it has a total of 3 prime factors.

Most popular turbo-numbers

5, 5, 69, 74, 988, 747, 9615, 6175, 86276, 42786, 372319, 404104, 9340457, 2541182, 41123499, 36670171, 767922725, 884232057, 5709550567, 3870185767

Basic calculations (n = 20989813)

Multiplication

n×y

n×2	41979626
n×3	62969439
n×4	83959252
n×5	104949065

Division

n÷y

n÷2	10494906.5
n÷3	6996604.3333333
n÷3	5247453.25
n÷5	4197962.6

Exponentiation

n^y

n²	440572249774969
n³	9.2475291357659E+21
n⁴	1.9410390727178E+29
n⁵	4.074204716204E+36

Nth Root

^y√n

²√n	4581.4640673042
³√n	275.84779905657
⁴√n	67.68651318619
⁵√n	29.134107199444

Divisors of 20989813

1, 13, 19, 247, 84979, 1104727, 1614601, 20989813

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	-20989812	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 20989813 can be divided by 8 positive divisors. The sum of these divisors (counting 20989813) is 1, the average is 0.125.

Base conversion 20989813

Base	System	Value
2	Binary	1010000000100011101110101
3	Ternary	1110111101121111
4	Quaternary	1100010131311
5	Quinary	20333133223
6	Senary	2025515021
8	Octal	120043565
10	Decimal	20989813
12	Duodecimal	7042a71
16	Hexadecimal	1404775
20	Vigesimal	6b3ead
36	Base36	chvud

Cryptographic Hash Functions

md5	8ded05a301c8b6335c303bddb6e8bead
sha1	a7c7e015f218634ce30bfb77ff7b1dd3343ad05a
sha256	0b418d0194af5d59281ea89605273dfc361df06ae265a41830e1bd3b021d8933
sha512	8a8d188fc14848a819871026dbaf63e3c880ab21c2846ad32478b65e9b97ef32d209f824ae6fa6231e0498e334333eee8e1059ae37c5db871c87974f25d3352b
ripemd-160	c84183ae4e3203d4c77059c022ec25cd0449b692

20989813 as geometric shapes

Circle

Radius = n

Diameter	41979626
Circumference	131882884.64205
Area	1.3840985432686E+15

Sphere

Radius = n

Volume	3.8735959462373E+22
Surface area	5.5363941730743E+15
Circumference	131882884.64205

Square

Length = n

Perimeter	83959252
Area	440572249774969
Diagonal	29684078.216275

Cube

Length = n

Surface area	2643433498649814
Volume	9.2475291357659E+21
Space diagonal	36355422.55737

Equilateral Triangle

Length = n

Perimeter	62969439
Area	1.9077338025379E+14
Altitude	18177711.278685

Triangular Pyramid

Length = n

Surface area	1.9077338025379E+14
Volume	1.0898317601867E+21
Height	9894692.7387584