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

20138661 (number)

20138661 is an odd 8-digits composite number following 20138660 and preceding 20138662. In scientific notation, it is written as 2.0138661 × 10^7. The sum of its digits is 27. It has a total of 3 prime factors and 6 positive divisors. There are 13425768 positive integers (up to 20138661) that are relatively prime to 20138661.

Interesting facts

20138661 has 6 divisors, whose sum is 29089190
The reverse of 20138661 is 16683102
Previous prime number is 3

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 27
Digital Root 9

Name

Name	twenty million one hundred thirty-eight thousand six hundred sixty-one

Notation

Scientific notation	2.0138661 × 10^7
Engineering notation	2.0138661 × 10^6

Prime Factorization of 20138661

Prime Factorization 3 × 3 × 2237629

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	6712887	Product of the distinct prime numbers

The prime factorization of 20138661 is 3 × 3 × 2237629. Since it has a total of 3 prime factors.

Most popular turbo-numbers

8, 5, 5, 47, 353, 605, 4927, 9217, 26889, 24482, 175363, 213702, 1980463, 8330053, 76755522, 54020101, 807083546, 892815440, 8404533850, 1370491860

Basic calculations (n = 20138661)

Multiplication

n×y

n×2	40277322
n×3	60415983
n×4	80554644
n×5	100693305

Division

n÷y

n÷2	10069330.5
n÷3	6712887
n÷3	5034665.25
n÷5	4027732.2

Exponentiation

n^y

n²	405565666872921
n³	8.1675494783927E+21
n⁴	1.6448351014608E+29
n⁵	3.3124776509219E+36

Nth Root

^y√n

²√n	4487.6119484644
³√n	272.06762393727
⁴√n	66.989640605577
⁵√n	28.893896865367

Divisors of 20138661

1, 3, 9, 2237629, 6712887, 20138661

6 divisors

τ	Total Divisors	6	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-20138660	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.16666666666667	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	6	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20138661 can be divided by 6 positive divisors. The sum of these divisors (counting 20138661) is 1, the average is 0.16666666666667.

Base conversion 20138661

Base	System	Value
2	Binary	1001100110100101010100101
3	Ternary	1101220011001100
4	Quaternary	1030310222211
5	Quinary	20123414121
6	Senary	1555350313
8	Octal	114645245
10	Decimal	20138661
12	Duodecimal	68b2399
16	Hexadecimal	1334aa5
20	Vigesimal	65h6d1
36	Base36	bzn39

Cryptographic Hash Functions

md5	533c6ead47722372ccfc455ee17b9cf1
sha1	e52e27c14037ee36a7fcceb2ac3f6c16393aaf01
sha256	8dd604d5b4425b6e196b446bea9f753b5a9638329547969bf8916ec0a857d929
sha512	52c2d77d3e55f663b859b73ad71a2c9e5d0c4249974625ced99916de7b9c377d43b4407a95d32e7f40248076e922973e0e07bf52866af429d6b867eb95663b4b
ripemd-160	b427d941f0275240e6768b6ca5b3d731e1019235

20138661 as geometric shapes

Circle

Radius = n

Diameter	40277322
Circumference	126534938.90147
Area	1.2741221195962E+15

Sphere

Radius = n

Volume	3.4212151252199E+22
Surface area	5.0964884783849E+15
Circumference	126534938.90147

Square

Length = n

Perimeter	80554644
Area	405565666872921
Diagonal	28480367.514234

Cube

Length = n

Surface area	2433394001237526
Volume	8.1675494783927E+21
Space diagonal	34881184.048406

Equilateral Triangle

Length = n

Perimeter	60415983
Area	1.7561508520736E+14
Altitude	17440592.024203

Triangular Pyramid

Length = n

Surface area	1.7561508520736E+14
Volume	9.6255493697469E+20
Height	9493455.838078