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

20121439 (number)

20121439 is an odd 8-digits composite number following 20121438 and preceding 20121440. In scientific notation, it is written as 2.0121439 × 10^7. The sum of its digits is 22. It has a total of 2 prime factors and 4 positive divisors. There are 18573624 positive integers (up to 20121439) that are relatively prime to 20121439.

Interesting facts

20121439 has 4 divisors, whose sum is 21669256
The reverse of 20121439 is 93412102
Previous prime number is 13

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 22
Digital Root 4

Name

Name	twenty million one hundred twenty-one thousand four hundred thirty-nine

Notation

Scientific notation	2.0121439 × 10^7
Engineering notation	2.0121439 × 10^6

Prime Factorization of 20121439

Prime Factorization 13 × 1547803

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	20121439	Product of the distinct prime numbers

The prime factorization of 20121439 is 13 × 1547803. Since it has a total of 2 prime factors.

Most popular turbo-numbers

9, 8, 6, 19, 81, 779, 2965, 5650, 39990, 3622, 389242, 580472, 7717422, 8539502, 74553106, 51637503, 988215555, 147856634, 6947446405, 9623342831

Basic calculations (n = 20121439)

Multiplication

n×y

n×2	40242878
n×3	60364317
n×4	80485756
n×5	100607195

Division

n÷y

n÷2	10060719.5
n÷3	6707146.3333333
n÷3	5030359.75
n÷5	4024287.8

Exponentiation

n^y

n²	404872307430721
n³	8.1466134367565E+21
n⁴	1.6392158532428E+29
n⁵	3.2983381798857E+36

Nth Root

^y√n

²√n	4485.69270013
³√n	271.99004703344
⁴√n	66.975314109977
⁵√n	28.88895332919

Divisors of 20121439

1, 13, 1547803, 20121439

4 divisors

τ	Total Divisors	4	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-20121438	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.25	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	4	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20121439 can be divided by 4 positive divisors. The sum of these divisors (counting 20121439) is 1, the average is 0.25.

Base conversion 20121439

Base	System	Value
2	Binary	1001100110000011101011111
3	Ternary	1101212021102111
4	Quaternary	1030300131133
5	Quinary	20122341224
6	Senary	1555134451
8	Octal	114603537
10	Decimal	20121439
12	Duodecimal	68a4427
16	Hexadecimal	133075f
20	Vigesimal	65f3bj
36	Base36	bz9sv

Cryptographic Hash Functions

md5	16e93724151127ce51fcfd8d9b4904e3
sha1	5eceb4e5bc98f050582328c799c7ccfb777c7a60
sha256	c34fb45d0784c6902879703bc6a8ed9e2b91f33de8bdf1e53a82cf064d2d6a1e
sha512	0a82893ee1afd6c1df5108f11d55ccdf4f01e0d8201d8a6fbdf3da395ed5146b27dce98c02ef281b58497aed184671cff90b4307c28352804b0d972273b87ef6
ripemd-160	ee77931dfe14afd1690a2edd7eb43b738a6ff13b

20121439 as geometric shapes

Circle

Radius = n

Diameter	40242878
Circumference	126426729.88411
Area	1.2719438666663E+15

Sphere

Radius = n

Volume	3.4124454566067E+22
Surface area	5.0877754666652E+15
Circumference	126426729.88411

Square

Length = n

Perimeter	80485756
Area	404872307430721
Diagonal	28456011.928263

Cube

Length = n

Surface area	2429233844584326
Volume	8.1466134367565E+21
Space diagonal	34851354.669398

Equilateral Triangle

Length = n

Perimeter	60364317
Area	1.7531485176191E+14
Altitude	17425677.334699

Triangular Pyramid

Length = n

Surface area	1.7531485176191E+14
Volume	9.6008760080599E+20
Height	9485337.309421