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

20105421 (number)

20105421 is an odd 8-digits composite number following 20105420 and preceding 20105422. In scientific notation, it is written as 2.0105421 × 10^7. The sum of its digits is 15. It has a total of 3 prime factors and 8 positive divisors. There are 11342448 positive integers (up to 20105421) that are relatively prime to 20105421.

Interesting facts

20105421 has 8 divisors, whose sum is 21331200
The reverse of 20105421 is 12450102
Previous prime number is 79

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 15
Digital Root 6

Name

Name	twenty million one hundred five thousand four hundred twenty-one

Notation

Scientific notation	2.0105421 × 10^7
Engineering notation	2.0105421 × 10^6

Prime Factorization of 20105421

Prime Factorization 21 × 79 × 12119

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	20105421	Product of the distinct prime numbers

The prime factorization of 20105421 is 21 × 79 × 12119. Since it has a total of 3 prime factors.

Most popular turbo-numbers

3, 6, 16, 75, 554, 34, 3464, 3443, 9015, 2406, 724891, 820583, 440373, 4633405, 78596951, 58272930, 308164427, 719787143, 6570204150, 9531846899

Basic calculations (n = 20105421)

Multiplication

n×y

n×2	40210842
n×3	60316263
n×4	80421684
n×5	100527105

Division

n÷y

n÷2	10052710.5
n÷3	6701807
n÷3	5026355.25
n÷5	4021084.2

Exponentiation

n^y

n²	404227953587241
n³	8.1271731868399E+21
n⁴	1.6340023846133E+29
n⁵	3.2852305857654E+36

Nth Root

^y√n

²√n	4483.9068902019
³√n	271.91785383413
⁴√n	66.961980930987
⁵√n	28.884352359303

Divisors of 20105421

1, 21, 79, 1659, 12119, 254499, 957401, 20105421

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	-20105420	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 20105421 can be divided by 8 positive divisors. The sum of these divisors (counting 20105421) is 1, the average is 0.125.

Base conversion 20105421

Base	System	Value
2	Binary	1001100101100100011001101
3	Ternary	1101211110110020
4	Quaternary	1030230203031
5	Quinary	20121333141
6	Senary	1554532353
8	Octal	114544315
10	Decimal	20105421
12	Duodecimal	68970b9
16	Hexadecimal	132c8cd
20	Vigesimal	65d3b1
36	Base36	byxfx

Cryptographic Hash Functions

md5	017db5827b6cf40cd947e296c862cbae
sha1	541c2b803e7f83024a5e817133d0496e7cc2cb08
sha256	1364aeedd804e02a8476edcb445fb19b54a79b70e5bc6739bfc451f4e4ed736e
sha512	ee0afd1089a8afb382d7f540ee719668d013514aa2f2e9d2b288cc5327caaa2347c44c97f800f2405eae8d21c00165c9c0a9ced94d5309d9e6982b4ba4822d92
ripemd-160	912e86efaa91d2b44287f2f3ad8c9a4eed5c86c9

20105421 as geometric shapes

Circle

Radius = n

Diameter	40210842
Circumference	126326085.82186
Area	1.2699195693653E+15

Sphere

Radius = n

Volume	3.4043023437638E+22
Surface area	5.0796782774612E+15
Circumference	126326085.82186

Square

Length = n

Perimeter	80421684
Area	404227953587241
Diagonal	28433359.055421

Cube

Length = n

Surface area	2425367721523446
Volume	8.1271731868399E+21
Space diagonal	34823610.679562

Equilateral Triangle

Length = n

Perimeter	60316263
Area	1.7503583836317E+14
Altitude	17411805.339781

Triangular Pyramid

Length = n

Surface area	1.7503583836317E+14
Volume	9.57796545382E+20
Height	9477786.3518069