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

20123681 (number)

20123681 is an odd 8-digits composite number following 20123680 and preceding 20123682. In scientific notation, it is written as 2.0123681 × 10^7. The sum of its digits is 23. It has a total of 2 prime factors and 4 positive divisors. There are 19474500 positive integers (up to 20123681) that are relatively prime to 20123681.

Interesting facts

20123681 has 4 divisors, whose sum is 20772864
The reverse of 20123681 is 18632102
Previous prime number is 31

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 23
Digital Root 5

Name

Name	twenty million one hundred twenty-three thousand six hundred eighty-one

Notation

Scientific notation	2.0123681 × 10^7
Engineering notation	2.0123681 × 10^6

Prime Factorization of 20123681

Prime Factorization 31 × 649151

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	20123681	Product of the distinct prime numbers

The prime factorization of 20123681 is 31 × 649151. Since it has a total of 2 prime factors.

Most popular turbo-numbers

4, 8, 59, 39, 215, 857, 2834, 908, 52035, 11955, 272466, 193737, 4697460, 8805267, 53051485, 42399243, 266315937, 499492826, 2031596102, 1257533966

Basic calculations (n = 20123681)

Multiplication

n×y

n×2	40247362
n×3	60371043
n×4	80494724
n×5	100618405

Division

n÷y

n÷2	10061840.5
n÷3	6707893.6666667
n÷3	5030920.25
n÷5	4024736.2

Exponentiation

n^y

n²	404962536989761
n³	8.1493369113327E+21
n⁴	1.6399465636518E+29
n⁵	3.3001761503976E+36

Nth Root

^y√n

²√n	4485.9425988303
³√n	272.00014868071
⁴√n	66.977179687042
⁵√n	28.889597081824

Divisors of 20123681

1, 31, 649151, 20123681

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	-20123680	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 20123681 can be divided by 4 positive divisors. The sum of these divisors (counting 20123681) is 1, the average is 0.25.

Base conversion 20123681

Base	System	Value
2	Binary	1001100110001000000100001
3	Ternary	1101212101111112
4	Quaternary	1030301000201
5	Quinary	20122424211
6	Senary	1555153105
8	Octal	114610041
10	Decimal	20123681
12	Duodecimal	68a5795
16	Hexadecimal	1331021
20	Vigesimal	65f941
36	Base36	bzbj5

Cryptographic Hash Functions

md5	c66ee0aa2b2d63429d8f145ab2f08e63
sha1	25671846c98ae81f1e92bc5f36dad6e20e91d7e6
sha256	7b61858872addf6844a717a1a558fde51888f93b8df50158acaac8b184d92b3f
sha512	d199693c20f5e4a255f8a251da3045dd4b85bf2feff617e12dfad5abe5aae9920df6c7173f0dbd6f75cf18fc9acb80892fb61c3dbf998882f0fefc6e782411ab
ripemd-160	9f69ec5d91d4476be7249c34fe25065ca6b69fb1

20123681 as geometric shapes

Circle

Radius = n

Diameter	40247362
Circumference	126440816.78557
Area	1.2722273311861E+15

Sphere

Radius = n

Volume	3.4135862629694E+22
Surface area	5.0889093247445E+15
Circumference	126440816.78557

Square

Length = n

Perimeter	80494724
Area	404962536989761
Diagonal	28459182.59507

Cube

Length = n

Surface area	2429775221938566
Volume	8.1493369113327E+21
Space diagonal	34855237.927308

Equilateral Triangle

Length = n

Perimeter	60371043
Area	1.7535392230706E+14
Altitude	17427618.963654

Triangular Pyramid

Length = n

Surface area	1.7535392230706E+14
Volume	9.6040856536286E+20
Height	9486394.1983566