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

20538449 (number)

20538449 is an odd 8-digits composite number following 20538448 and preceding 20538450. In scientific notation, it is written as 2.0538449 × 10^7. The sum of its digits is 35. It has a total of 2 prime factors and 4 positive divisors. There are 19457460 positive integers (up to 20538449) that are relatively prime to 20538449.

Interesting facts

20538449 has 4 divisors, whose sum is 21619440
The reverse of 20538449 is 94483502
Previous prime number is 19

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 35
Digital Root 8

Name

Name	twenty million five hundred thirty-eight thousand four hundred forty-nine

Notation

Scientific notation	2.0538449 × 10^7
Engineering notation	2.0538449 × 10^6

Prime Factorization of 20538449

Prime Factorization 19 × 1080971

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	20538449	Product of the distinct prime numbers

The prime factorization of 20538449 is 19 × 1080971. Since it has a total of 2 prime factors.

Most popular turbo-numbers

8, 5, 58, 8, 620, 777, 3137, 1595, 91969, 73417, 232071, 703132, 9128877, 6459854, 54392665, 9453336, 197758350, 768262993, 8436403954, 5907449836

Basic calculations (n = 20538449)

Multiplication

n×y

n×2	41076898
n×3	61615347
n×4	82153796
n×5	102692245

Division

n÷y

n÷2	10269224.5
n÷3	6846149.6666667
n÷3	5134612.25
n÷5	4107689.8

Exponentiation

n^y

n²	421827887325601
n³	8.6636905506146E+21
n⁴	1.7793876652558E+29
n⁵	3.6545862814085E+36

Nth Root

^y√n

²√n	4531.9365617802
³√n	273.85618129573
⁴√n	67.319659548903
⁵√n	29.007715597409

Divisors of 20538449

1, 19, 1080971, 20538449

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	-20538448	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 20538449 can be divided by 4 positive divisors. The sum of these divisors (counting 20538449) is 1, the average is 0.25.

Base conversion 20538449

Base	System	Value
2	Binary	1001110010110010001010001
3	Ternary	1102122110110022
4	Quaternary	1032112101101
5	Quinary	20224212244
6	Senary	2012113225
8	Octal	116262121
10	Decimal	20538449
12	Duodecimal	6a65815
16	Hexadecimal	1396451
20	Vigesimal	687629
36	Base36	c87kh

Cryptographic Hash Functions

md5	ce6d955a95698a6ed3a632ede6bc75b2
sha1	50b11331b3bb74f79ea60889d6a334d5a8b87c41
sha256	0fd99899d238d838d41c23a2c3a25028c452835d83f1c6e1f708743c13c40205
sha512	06cfcbc7ac9d576c874587b5a4ba327f8f420222792eafbc6a1eb7868e11fbdc1236f2b8d92b0ade72108b8d7f33a723d25df5c55dc64c3647abe11ed73ae30e
ripemd-160	781a4a5c205e5432fcd355cd003bd8d0385b4458

20538449 as geometric shapes

Circle

Radius = n

Diameter	41076898
Circumference	129046880.98906
Area	1.3252113919014E+15

Sphere

Radius = n

Volume	3.6290382115715E+22
Surface area	5.3008455676056E+15
Circumference	129046880.98906

Square

Length = n

Perimeter	82153796
Area	421827887325601
Diagonal	29045753.125908

Cube

Length = n

Surface area	2530967323953606
Volume	8.6636905506146E+21
Space diagonal	35573637.176662

Equilateral Triangle

Length = n

Perimeter	61615347
Area	1.8265683322435E+14
Altitude	17786818.588331

Triangular Pyramid

Length = n

Surface area	1.8265683322435E+14
Volume	1.0210257230736E+21
Height	9681917.708636