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

20387788 (number)

20387788 is an even 8-digits composite number following 20387787 and preceding 20387789. In scientific notation, it is written as 2.0387788 × 10^7. The sum of its digits is 43. It has a total of 4 prime factors and 12 positive divisors. There are 10070912 positive integers (up to 20387788) that are relatively prime to 20387788.

Interesting facts

20387788 has 12 divisors, whose sum is 36109080
The reverse of 20387788 is 88778302
Previous prime number is 83

Basic properties

Is Prime? no
Number parity even
Number length 8
Sum of Digits 43
Digital Root 7

Name

Name	twenty million three hundred eighty-seven thousand seven hundred eighty-eight

Notation

Scientific notation	2.0387788 × 10^7
Engineering notation	2.0387788 × 10^6

Prime Factorization of 20387788

Prime Factorization 2 × 2 × 83 × 61409

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	4	Total number of prime factors
rad	Radical	10193894	Product of the distinct prime numbers

The prime factorization of 20387788 is 2 × 2 × 83 × 61409. Since it has a total of 4 prime factors.

Most popular turbo-numbers

4, 4, 25, 34, 704, 307, 3042, 4810, 21515, 23830, 55141, 942481, 9818953, 4120896, 23854352, 42175311, 664130104, 231880889, 4227229306, 1624702246

Basic calculations (n = 20387788)

Multiplication

n×y

n×2	40775576
n×3	61163364
n×4	81551152
n×5	101938940

Division

n÷y

n÷2	10193894
n÷3	6795929.3333333
n÷3	5096947
n÷5	4077557.6

Exponentiation

n^y

n²	415661899532944
n³	8.474426687355E+21
n⁴	1.7277481472334E+29
n⁵	3.5224962943186E+36

Nth Root

^y√n

²√n	4515.2838227513
³√n	273.18490784938
⁴√n	67.195861648998
⁵√n	28.965032610968

Divisors of 20387788

1, 2, 4, 83, 166, 332, 61409, 122818, 245636, 5096947, 10193894, 20387788

12 divisors

τ	Total Divisors	12	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-20387787	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.083333333333333	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	12	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20387788 can be divided by 12 positive divisors. The sum of these divisors (counting 20387788) is 1, the average is 0.083333333333333.

Base conversion 20387788

Base	System	Value
2	Binary	1001101110001011111001100
3	Ternary	1102100210210021
4	Quaternary	1031301133030
5	Quinary	20204402123
6	Senary	2004551524
8	Octal	115613714
10	Decimal	20387788
12	Duodecimal	69b25a4
16	Hexadecimal	13717cc
20	Vigesimal	678998
36	Base36	c4zbg

Cryptographic Hash Functions

md5	aae053b3a637b8f9f304ab7cc75a1649
sha1	1debf3f4673454e17740d261d12db6512a60b746
sha256	a227268f2d886b8242d8a5a5cc8aaa1d3b2e926a98f16a0e97f87a579050795e
sha512	0a1d12803a0b1a96bda1723fa00630d26cd7a6fe15f1d717df9661dd1ba27ec3844b5e726e40ffb2714732648674586cc2e3cbb55b69f892cb46a843d98b3d4a
ripemd-160	beb697e52ebee2002715970eeeff60be33470180

20387788 as geometric shapes

Circle

Radius = n

Diameter	40775576
Circumference	128100250.00749
Area	1.3058403699499E+15

Sphere

Radius = n

Volume	3.5497595499173E+22
Surface area	5.2233614797995E+15
Circumference	128100250.00749

Square

Length = n

Perimeter	81551152
Area	415661899532944
Diagonal	28832686.296387

Cube

Length = n

Surface area	2493971397197664
Volume	8.474426687355E+21
Space diagonal	35312684.669943

Equilateral Triangle

Length = n

Perimeter	61163364
Area	1.7998688219041E+14
Altitude	17656342.334972

Triangular Pyramid

Length = n

Surface area	1.7998688219041E+14
Volume	9.9872076288282E+20
Height	9610895.4321291