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

20121449 (number)

20121449 is an odd 8-digits composite number following 20121448 and preceding 20121450. In scientific notation, it is written as 2.0121449 × 10^7. The sum of its digits is 23. It has a total of 2 prime factors and 4 positive divisors. There are 19472340 positive integers (up to 20121449) that are relatively prime to 20121449.

Interesting facts

20121449 has 4 divisors, whose sum is 20770560
The reverse of 20121449 is 94412102
Previous prime number is 31

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 23
Digital Root 5

Name

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

Notation

Scientific notation	2.0121449 × 10^7
Engineering notation	2.0121449 × 10^6

Prime Factorization of 20121449

Prime Factorization 31 × 649079

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	20121449	Product of the distinct prime numbers

The prime factorization of 20121449 is 31 × 649079. Since it has a total of 2 prime factors.

Most popular turbo-numbers

4, 10, 10, 2, 293, 8, 1717, 8570, 64005, 44812, 316420, 913462, 2163393, 2218735, 87143440, 5199004, 498179504, 876923639, 6008185600, 8067124085

Basic calculations (n = 20121449)

Multiplication

n×y

n×2	40242898
n×3	60364347
n×4	80485796
n×5	100607245

Division

n÷y

n÷2	10060724.5
n÷3	6707149.6666667
n÷3	5030362.25
n÷5	4024289.8

Exponentiation

n^y

n²	404872709859601
n³	8.1466255829318E+21
n⁴	1.6392191118906E+29
n⁵	3.2983463759731E+36

Nth Root

^y√n

²√n	4485.693814785
³√n	271.99009209152
⁴√n	66.975322431362
⁵√n	28.888956200649

Divisors of 20121449

1, 31, 649079, 20121449

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	-20121448	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 20121449 can be divided by 4 positive divisors. The sum of these divisors (counting 20121449) is 1, the average is 0.25.

Base conversion 20121449

Base	System	Value
2	Binary	1001100110000011101101001
3	Ternary	1101212021102212
4	Quaternary	1030300131221
5	Quinary	20122341244
6	Senary	1555134505
8	Octal	114603551
10	Decimal	20121449
12	Duodecimal	68a4435
16	Hexadecimal	1330769
20	Vigesimal	65f3c9
36	Base36	bz9t5

Cryptographic Hash Functions

md5	c34bbb2a3ac3d7afd38d33b5776ebf10
sha1	57ba9d81871b855ec97bb0296ffb835545cab804
sha256	ba883ba8707955030f205650c4f3cc54d20417a489291f6e489408d85215e985
sha512	f9d0d914188ffa38b322ef73b546fc712db9c8f49250d79474e16dd7f47ebdbc0f2dc9a46f406271decaf9152a095b3e532e969b66f0f458ffde4d46e2112b8e
ripemd-160	5fc56c27acebaed4a6536460fe21968e8ebe3b7b

20121449 as geometric shapes

Circle

Radius = n

Diameter	40242898
Circumference	126426792.71596
Area	1.2719451309339E+15

Sphere

Radius = n

Volume	3.4124505443847E+22
Surface area	5.0877805237357E+15
Circumference	126426792.71596

Square

Length = n

Perimeter	80485796
Area	404872709859601
Diagonal	28456026.070399

Cube

Length = n

Surface area	2429236259157606
Volume	8.1466255829318E+21
Space diagonal	34851371.989906

Equilateral Triangle

Length = n

Perimeter	60364347
Area	1.7531502601873E+14
Altitude	17425685.994953

Triangular Pyramid

Length = n

Surface area	1.7531502601873E+14
Volume	9.6008903224648E+20
Height	9485342.0234662