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

20123987 (number)

20123987 is an odd 8-digits composite number following 20123986 and preceding 20123988. In scientific notation, it is written as 2.0123987 × 10^7. The sum of its digits is 32. It has a total of 3 prime factors and 8 positive divisors. There are 18545760 positive integers (up to 20123987) that are relatively prime to 20123987.

Interesting facts

20123987 has 8 divisors, whose sum is 21707280
The reverse of 20123987 is 78932102
Previous prime number is 1459

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 32
Digital Root 5

Name

Name	twenty million one hundred twenty-three thousand nine hundred eighty-seven

Notation

Scientific notation	2.0123987 × 10^7
Engineering notation	2.0123987 × 10^6

Prime Factorization of 20123987

Prime Factorization 13 × 1459 × 1061

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	20123987	Product of the distinct prime numbers

The prime factorization of 20123987 is 13 × 1459 × 1061. Since it has a total of 3 prime factors.

Most popular turbo-numbers

9, 4, 48, 38, 940, 475, 3771, 4633, 12479, 25682, 876064, 885487, 5081362, 9321421, 98075631, 70004078, 304012058, 822415343, 3186651192, 5530472239

Basic calculations (n = 20123987)

Multiplication

n×y

n×2	40247974
n×3	60371961
n×4	80495948
n×5	100619935

Division

n÷y

n÷2	10061993.5
n÷3	6707995.6666667
n÷3	5030996.75
n÷5	4024797.4

Exponentiation

n^y

n²	404974852776169
n³	8.1497086725945E+21
n⁴	1.6400463138108E+29
n⁵	3.3004270698526E+36

Nth Root

^y√n

²√n	4485.9767052449
³√n	272.00152734869
⁴√n	66.977434298761
⁵√n	28.889684940133

Divisors of 20123987

1, 13, 1061, 1459, 13793, 18967, 1547999, 20123987

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	-20123986	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 20123987 can be divided by 8 positive divisors. The sum of these divisors (counting 20123987) is 1, the average is 0.125.

Base conversion 20123987

Base	System	Value
2	Binary	1001100110001000101010011
3	Ternary	1101212101220212
4	Quaternary	1030301011103
5	Quinary	20122431422
6	Senary	1555154335
8	Octal	114610523
10	Decimal	20123987
12	Duodecimal	68a59ab
16	Hexadecimal	1331153
20	Vigesimal	65f9j7
36	Base36	bzbrn

Cryptographic Hash Functions

md5	6d69f50769c79f4440a246d50b4b89ab
sha1	1b72f3ac44e6d0711bc467fc4d7deaf7e490d8d0
sha256	2aa10443a1e0353ea459b60563059f5e05e8e616450c950079101b676cef85e5
sha512	61afdf204e8342b54c5bd5b1b8f4826bc70afd0b6ff3ecac22b8f30058c18e6a96b452832b5682561785178f84bf041b3b4d4908d0ff923e314a0ee97a72d73b
ripemd-160	00ee7638e0bfb15067780fdf6847bfef92092c61

20123987 as geometric shapes

Circle

Radius = n

Diameter	40247974
Circumference	126442739.44027
Area	1.2722660223702E+15

Sphere

Radius = n

Volume	3.4137419859627E+22
Surface area	5.0890640894809E+15
Circumference	126442739.44027

Square

Length = n

Perimeter	80495948
Area	404974852776169
Diagonal	28459615.34442

Cube

Length = n

Surface area	2429849116657014
Volume	8.1497086725945E+21
Space diagonal	34855767.934856

Equilateral Triangle

Length = n

Perimeter	60371961
Area	1.7535925519901E+14
Altitude	17427883.967428

Triangular Pyramid

Length = n

Surface area	1.7535925519901E+14
Volume	9.6045237784774E+20
Height	9486538.44814