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

20421749 (number)

20421749 is an odd 8-digits prime number following 20421748 and preceding 20421750. In scientific notation, it is written as 2.0421749 × 10^7. The sum of its digits is 29. It has a total of 1 prime factors and 2 positive divisors. There are 20421748 positive integers (up to 20421749) that are relatively prime to 20421749.

Interesting facts

20421749 has 2 divisors, whose sum is 20421750
The reverse of 20421749 is 94712402
Previous prime number is 1

Basic properties

Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 29
Digital Root 2

Name

Name	twenty million four hundred twenty-one thousand seven hundred forty-nine

Notation

Scientific notation	2.0421749 × 10^7
Engineering notation	2.0421749 × 10^6

Prime Factorization of 20421749

Prime Factorization 20421749

Composite number

ω	Distinct Factors	1	Total number of distinct prime factors
Ω	Total Factors	1	Total number of prime factors
rad	Radical	20421749	Product of the distinct prime numbers

The prime factorization of 20421749 is 20421749. Since it has a total of 1 prime factors.

Most popular turbo-numbers

7, 8, 59, 95, 514, 455, 8488, 8988, 82757, 95229, 428947, 27702, 8577448, 6420629, 80710557, 14256251, 963376991, 68954365, 8383670526, 669032638

Basic calculations (n = 20421749)

Multiplication

n×y

n×2	40843498
n×3	61265247
n×4	81686996
n×5	102108745

Division

n÷y

n÷2	10210874.5
n÷3	6807249.6666667
n÷3	5105437.25
n÷5	4084349.8

Exponentiation

n^y

n²	417047832219001
n³	8.5168461505706E+21
n⁴	1.7392889435857E+29
n⁵	3.5519322244382E+36

Nth Root

^y√n

²√n	4519.0429296478
³√n	273.33650981172
⁴√n	67.223827097599
⁵√n	28.974675900363

Divisors of 20421749

1, 20421749

2 divisors

τ	Total Divisors	2	Total number of the positive divisors of n
σ	Sum of Divisors	20421750	Sum of all the positive divisors of n
s	Aliquot Sum	1	Sum of the proper positive divisors of n
A	Arithmetic Mean	10210875	Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G	Geometric Mean	4519.0430402907	Returns the nth root of the product of n divisors
H	Harmonic Mean	1.9999999020652	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20421749 can be divided by 2 positive divisors. The sum of these divisors (counting 20421749) is 20421750, the average is 10210875.

Base conversion 20421749

Base	System	Value
2	Binary	1001101111001110001110101
3	Ternary	1102102112101002
4	Quaternary	1031321301311
5	Quinary	20211443444
6	Senary	2005413045
8	Octal	115716165
10	Decimal	20421749
12	Duodecimal	6a0a185
16	Hexadecimal	1379c75
20	Vigesimal	67ce79
36	Base36	c5pit

Cryptographic Hash Functions

md5	5906795664dea4c67180275642db9bda
sha1	826ae963f0e7470877581f7fae0319129ed12906
sha256	4e9804c3c683c1dbbbe1a223cda1be58bbcf24b1bb46443011daaa4c7aef1e74
sha512	e7498f5ab6a470f780e3a78f7a555b2076d07abf1f96746fda53654e95cd8f1f77a370feceeb260b3cd7285af9ffb4edbc5fbe7ee3a51628fd03216a29c10d84
ripemd-160	2cb09e4833fb30c565f1e3a3ad15e95d88025aaa

20421749 as geometric shapes

Circle

Radius = n

Diameter	40843498
Circumference	128313633.26371
Area	1.3101944058948E+15

Sphere

Radius = n

Volume	3.5675281731183E+22
Surface area	5.240777623579E+15
Circumference	128313633.26371

Square

Length = n

Perimeter	81686996
Area	417047832219001
Diagonal	28880714.403179

Cube

Length = n

Surface area	2502286993314006
Volume	8.5168461505706E+21
Space diagonal	35371506.847419

Equilateral Triangle

Length = n

Perimeter	61265247
Area	1.8058700864744E+14
Altitude	17685753.423709

Triangular Pyramid

Length = n

Surface area	1.8058700864744E+14
Volume	1.0037199445652E+21
Height	9626904.8010597