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

20187421 (number)

20187421 is an odd 8-digits prime number following 20187420 and preceding 20187422. In scientific notation, it is written as 2.0187421 × 10^7. The sum of its digits is 25. It has a total of 1 prime factors and 2 positive divisors. There are 20187420 positive integers (up to 20187421) that are relatively prime to 20187421.

Interesting facts

20187421 has 2 divisors, whose sum is 20187422
The reverse of 20187421 is 12478102
Previous prime number is 1

Basic properties

Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 25
Digital Root 7

Name

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

Notation

Scientific notation	2.0187421 × 10^7
Engineering notation	2.0187421 × 10^6

Prime Factorization of 20187421

Prime Factorization 20187421

Composite number

ω	Distinct Factors	1	Total number of distinct prime factors
Ω	Total Factors	1	Total number of prime factors
rad	Radical	20187421	Product of the distinct prime numbers

The prime factorization of 20187421 is 20187421. Since it has a total of 1 prime factors.

Most popular turbo-numbers

4, 10, 6, 35, 651, 548, 2587, 5105, 67354, 7917, 317012, 579922, 3491325, 8620682, 44930721, 1429988, 799276907, 906313839, 6556173723, 4222964802

Basic calculations (n = 20187421)

Multiplication

n×y

n×2	40374842
n×3	60562263
n×4	80749684
n×5	100937105

Division

n÷y

n÷2	10093710.5
n÷3	6729140.3333333
n÷3	5046855.25
n÷5	4037484.2

Exponentiation

n^y

n²	407531966631241
n³	8.2270193813428E+21
n⁴	1.6608230382633E+29
n⁵	3.352773387992E+36

Nth Root

^y√n

²√n	4493.0413975391
³√n	272.28702490441
⁴√n	67.030152898073
⁵√n	28.90787499354

Divisors of 20187421

1, 20187421

2 divisors

τ	Total Divisors	2	Total number of the positive divisors of n
σ	Sum of Divisors	20187422	Sum of all the positive divisors of n
s	Aliquot Sum	1	Sum of the proper positive divisors of n
A	Arithmetic Mean	10093711	Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G	Geometric Mean	4493.0415088223	Returns the nth root of the product of n divisors
H	Harmonic Mean	1.9999999009284	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20187421 can be divided by 2 positive divisors. The sum of these divisors (counting 20187421) is 20187422, the average is 10093711.

Base conversion 20187421

Base	System	Value
2	Binary	1001101000000100100011101
3	Ternary	1101222121221021
4	Quaternary	1031000210131
5	Quinary	20131444141
6	Senary	2000404141
8	Octal	115004435
10	Decimal	20187421
12	Duodecimal	6916651
16	Hexadecimal	134091d
20	Vigesimal	6638b1
36	Base36	c0opp

Cryptographic Hash Functions

md5	bc19b8d16d21de7dee834ee542d7bdd4
sha1	518a1594f25ab03e7ecaab4a045b11e16143cd41
sha256	e08704d18d47819c7c429cc574aecfde9bda926415b8bab7c8a79422caa084e8
sha512	1833acf44c3686e189d7bf661457c7a44438dcbd5113e807602000d9a4e1ba26efcda7400c587fd75729824666fa1dea2a34871761755e854c7d3e8e1ca0ccdb
ripemd-160	0197895b8e98c902527c5af7a97c98a2234b2779

20187421 as geometric shapes

Circle

Radius = n

Diameter	40374842
Circumference	126841307.01705
Area	1.2802994324717E+15

Sphere

Radius = n

Volume	3.4461258199157E+22
Surface area	5.1211977298868E+15
Circumference	126841307.01705

Square

Length = n

Perimeter	80749684
Area	407531966631241
Diagonal	28549324.567535

Cube

Length = n

Surface area	2445191799787446
Volume	8.2270193813428E+21
Space diagonal	34965638.845783

Equilateral Triangle

Length = n

Perimeter	60562263
Area	1.7646651797844E+14
Altitude	17482819.422891

Triangular Pyramid

Length = n

Surface area	1.7646651797844E+14
Volume	9.6956353225011E+20
Height	9516441.5225118