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

20188721 (number)

20188721 is an odd 8-digits composite number following 20188720 and preceding 20188722. In scientific notation, it is written as 2.0188721 × 10^7. The sum of its digits is 29. It has a total of 3 prime factors and 8 positive divisors. There are 17136000 positive integers (up to 20188721) that are relatively prime to 20188721.

Interesting facts

20188721 has 8 divisors, whose sum is 23297664
The reverse of 20188721 is 12788102
Previous prime number is 103

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 29
Digital Root 2

Name

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

Notation

Scientific notation	2.0188721 × 10^7
Engineering notation	2.0188721 × 10^6

Prime Factorization of 20188721

Prime Factorization 7 × 103 × 28001

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	20188721	Product of the distinct prime numbers

The prime factorization of 20188721 is 7 × 103 × 28001. Since it has a total of 3 prime factors.

Most popular turbo-numbers

5, 5, 19, 70, 322, 593, 7666, 1083, 89768, 643, 994575, 381321, 8440031, 4647273, 71602, 96714860, 748063987, 86593798, 4758148062, 6126874277

Basic calculations (n = 20188721)

Multiplication

n×y

n×2	40377442
n×3	60566163
n×4	80754884
n×5	100943605

Division

n÷y

n÷2	10094360.5
n÷3	6729573.6666667
n÷3	5047180.25
n÷5	4037744.2

Exponentiation

n^y

n²	407584455615841
n³	8.2286088583651E+21
n⁴	1.6612508845966E+29
n⁵	3.3538530620124E+36

Nth Root

^y√n

²√n	4493.1860633631
³√n	272.29286955943
⁴√n	67.031231999442
⁵√n	28.908247297357

Divisors of 20188721

1, 7, 103, 721, 28001, 196007, 2884103, 20188721

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	-20188720	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 20188721 can be divided by 8 positive divisors. The sum of these divisors (counting 20188721) is 1, the average is 0.125.

Base conversion 20188721

Base	System	Value
2	Binary	1001101000000111000110001
3	Ternary	1101222200201102
4	Quaternary	1031000320301
5	Quinary	20132014341
6	Senary	2000414145
8	Octal	115007061
10	Decimal	20188721
12	Duodecimal	6917355
16	Hexadecimal	1340e31
20	Vigesimal	663bg1
36	Base36	c0ppt

Cryptographic Hash Functions

md5	ec929bbd5cfdcb04864f998170570b3c
sha1	d120eb01b779184826ad3e01acbac24e70b6930d
sha256	7a3846e15d80b41826bb51828b5ee0af990a825e322e811addb6b9d9a5eddf24
sha512	14348862b45782688233db06d569460de64aa8afb015b3679f624e76fd9d566e67e39228f94d79f16e8b6811f7d3aa7769a5d276fcd3fe615d4652e991957814
ripemd-160	91ae40b6cfb6c1936b29829c08a53cf0b88cfc14

20188721 as geometric shapes

Circle

Radius = n

Diameter	40377442
Circumference	126849475.15795
Area	1.2804643314801E+15

Sphere

Radius = n

Volume	3.4467916184938E+22
Surface area	5.1218573259205E+15
Circumference	126849475.15795

Square

Length = n

Perimeter	80754884
Area	407584455615841
Diagonal	28551163.045167

Cube

Length = n

Surface area	2445506733695046
Volume	8.2286088583651E+21
Space diagonal	34967890.511833

Equilateral Triangle

Length = n

Perimeter	60566163
Area	1.7648924637548E+14
Altitude	17483945.255916

Triangular Pyramid

Length = n

Surface area	1.7648924637548E+14
Volume	9.6975085391361E+20
Height	9517054.3483888