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

20531749 (number)

20531749 is an odd 8-digits composite number following 20531748 and preceding 20531750. In scientific notation, it is written as 2.0531749 × 10^7. The sum of its digits is 31. It has a total of 3 prime factors and 8 positive divisors. There are 17554320 positive integers (up to 20531749) that are relatively prime to 20531749.

Interesting facts

20531749 has 8 divisors, whose sum is 23523968
The reverse of 20531749 is 94713502
Previous prime number is 421

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 31
Digital Root 4

Name

Name	twenty million five hundred thirty-one thousand seven hundred forty-nine

Notation

Scientific notation	2.0531749 × 10^7
Engineering notation	2.0531749 × 10^6

Prime Factorization of 20531749

Prime Factorization 7 × 421 × 6967

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	20531749	Product of the distinct prime numbers

The prime factorization of 20531749 is 7 × 421 × 6967. Since it has a total of 3 prime factors.

Most popular turbo-numbers

10, 10, 99, 80, 171, 917, 1051, 1549, 64867, 50880, 977577, 794250, 4385656, 9928844, 46425621, 5755812, 666264797, 366291633, 7178127015, 7440771666

Basic calculations (n = 20531749)

Multiplication

n×y

n×2	41063498
n×3	61595247
n×4	82126996
n×5	102658745

Division

n÷y

n÷2	10265874.5
n÷3	6843916.3333333
n÷3	5132937.25
n÷5	4106349.8

Exponentiation

n^y

n²	421552716999001
n³	8.6552145756915E+21
n⁴	1.7770669320924E+29
n⁵	3.6486292205921E+36

Nth Root

^y√n

²√n	4531.1973031419
³√n	273.82639917068
⁴√n	67.314168665607
⁵√n	29.005822785933

Divisors of 20531749

1, 7, 421, 2947, 6967, 48769, 2933107, 20531749

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	-20531748	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 20531749 can be divided by 8 positive divisors. The sum of these divisors (counting 20531749) is 1, the average is 0.125.

Base conversion 20531749

Base	System	Value
2	Binary	1001110010100101000100101
3	Ternary	1102122010021011
4	Quaternary	1032110220211
5	Quinary	20224003444
6	Senary	2012022221
8	Octal	116245045
10	Decimal	20531749
12	Duodecimal	6a61971
16	Hexadecimal	1394a25
20	Vigesimal	686979
36	Base36	c82ed

Cryptographic Hash Functions

md5	7a070d12d8a8ff168abcd432811bc3a0
sha1	83e5cc15aa05f4908daeb29f275518028f1bb40e
sha256	b8a8ccd426884b2d7aa4ab91d058965711a9d18815f8f8c088801e188d51f596
sha512	2364b2465d265753537bdff0b508a292eb7dce8270ccbd9180ac0e6440f85a4eb637d1209838c4d3e319298cac20e68f7166d2cbde1b5abb56047d44f9332dd1
ripemd-160	a4494ebf7a6a26015ccfbd5d7033a83bce1be6e2

20531749 as geometric shapes

Circle

Radius = n

Diameter	41063498
Circumference	129004783.6475
Area	1.3243469188249E+15

Sphere

Radius = n

Volume	3.6254878034981E+22
Surface area	5.2973876752995E+15
Circumference	129004783.6475

Square

Length = n

Perimeter	82126996
Area	421552716999001
Diagonal	29036277.89504

Cube

Length = n

Surface area	2529316301994006
Volume	8.6552145756915E+21
Space diagonal	35562032.436251

Equilateral Triangle

Length = n

Perimeter	61595247
Area	1.8253768097774E+14
Altitude	17781016.218126

Triangular Pyramid

Length = n

Surface area	1.8253768097774E+14
Volume	1.0200268198494E+21
Height	9678759.2983467