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

21131247 (number)

21131247 is an odd 8-digits composite number following 21131246 and preceding 21131248. In scientific notation, it is written as 2.1131247 × 10^7. The sum of its digits is 21. It has a total of 3 prime factors and 8 positive divisors. There are 13787672 positive integers (up to 21131247) that are relatively prime to 21131247.

Interesting facts

21131247 has 8 divisors, whose sum is 28774656
The reverse of 21131247 is 74213112
Previous prime number is 47

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 21
Digital Root 3

Name

Name	twenty-one million one hundred thirty-one thousand two hundred forty-seven

Notation

Scientific notation	2.1131247 × 10^7
Engineering notation	2.1131247 × 10^6

Prime Factorization of 21131247

Prime Factorization 3 × 47 × 149867

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	21131247	Product of the distinct prime numbers

The prime factorization of 21131247 is 3 × 47 × 149867. Since it has a total of 3 prime factors.

Most popular turbo-numbers

8, 6, 30, 55, 288, 124, 2384, 9678, 70401, 67409, 554142, 835731, 4362046, 4678626, 71990898, 53768399, 512984009, 324603597, 113771940, 2621441946

Basic calculations (n = 21131247)

Multiplication

n×y

n×2	42262494
n×3	63393741
n×4	84524988
n×5	105656235

Division

n÷y

n÷2	10565623.5
n÷3	7043749
n÷3	5282811.75
n÷5	4226249.4

Exponentiation

n^y

n²	446529599775009
n³	9.4357272656569E+21
n⁴	1.9938868347523E+29
n⁵	4.2133315195199E+36

Nth Root

^y√n

²√n	4596.8736114886
³√n	276.46598711575
⁴√n	67.800247871882
⁵√n	29.17326421269

Divisors of 21131247

1, 3, 47, 141, 149867, 449601, 7043749, 21131247

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	-21131246	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 21131247 can be divided by 8 positive divisors. The sum of these divisors (counting 21131247) is 1, the average is 0.125.

Base conversion 21131247

Base	System	Value
2	Binary	1010000100110111111101111
3	Ternary	1110202120121210
4	Quaternary	1100212333233
5	Quinary	20402144442
6	Senary	2032525503
8	Octal	120467757
10	Decimal	21131247
12	Duodecimal	70b0893
16	Hexadecimal	1426fef
20	Vigesimal	6c1827
36	Base36	ckwz3

Cryptographic Hash Functions

md5	ec346f03072fd955ccdd531fcc9edf6d
sha1	a121e2dbe89237f6867c2579fb56dcecd7979b69
sha256	2c98c66a192deca569a1c9655b10e3ff3e8664fedad054edf48fecefd66ee4f9
sha512	6a16fcc2b32bb9ff5bb6d35154fc57934f002923a5e9110479757df7a2064d0ed17e7307b6308a87f1beac47d52ab632929da6eeef6cf7cc319860e798a133d0
ripemd-160	3ba938a27502976383cd56cbf2f6ce2e3d229faf

21131247 as geometric shapes

Circle

Radius = n

Diameter	42262494
Circumference	132771540.67278
Area	1.4028141102636E+15

Sphere

Radius = n

Volume	3.9524281945419E+22
Surface area	5.6112564410542E+15
Circumference	132771540.67278

Square

Length = n

Perimeter	84524988
Area	446529599775009
Diagonal	29884096.097256

Cube

Length = n

Surface area	2679177598650054
Volume	9.4357272656569E+21
Space diagonal	36600393.431287

Equilateral Triangle

Length = n

Perimeter	63393741
Area	1.9335298847343E+14
Altitude	18300196.715644

Triangular Pyramid

Length = n

Surface area	1.9335298847343E+14
Volume	1.1120111224955E+21
Height	9961365.3657519