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

21105747 (number)

21105747 is an odd 8-digits composite number following 21105746 and preceding 21105748. In scientific notation, it is written as 2.1105747 × 10^7. The sum of its digits is 27. It has a total of 3 prime factors and 8 positive divisors. There are 12988080 positive integers (up to 21105747) that are relatively prime to 21105747.

Interesting facts

21105747 has 8 divisors, whose sum is 25254880
The reverse of 21105747 is 74750112
Previous prime number is 9

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 27
Digital Root 9

Name

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

Notation

Scientific notation	2.1105747 × 10^7
Engineering notation	2.1105747 × 10^6

Prime Factorization of 21105747

Prime Factorization 13 × 9 × 180391

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	21105747	Product of the distinct prime numbers

The prime factorization of 21105747 is 13 × 9 × 180391. Since it has a total of 3 prime factors.

Most popular turbo-numbers

1, 4, 20, 70, 73, 501, 9304, 5624, 28250, 41904, 858663, 763002, 9767680, 2284357, 18129380, 7741930, 285069645, 166562788, 8202476487, 9467387781

Basic calculations (n = 21105747)

Multiplication

n×y

n×2	42211494
n×3	63317241
n×4	84422988
n×5	105528735

Division

n÷y

n÷2	10552873.5
n÷3	7035249
n÷3	5276436.75
n÷5	4221149.4

Exponentiation

n^y

n²	445452556428009
n³	9.4016089564728E+21
n⁴	1.9842798002825E+29
n⁵	4.1879707441973E+36

Nth Root

^y√n

²√n	4594.0991499967
³√n	276.35473448634
⁴√n	67.779784228018
⁵√n	29.166219880805

Divisors of 21105747

1, 9, 13, 117, 180391, 1623519, 2345083, 21105747

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	-21105746	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 21105747 can be divided by 8 positive divisors. The sum of these divisors (counting 21105747) is 1, the average is 0.125.

Base conversion 21105747

Base	System	Value
2	Binary	1010000100000110001010011
3	Ternary	1110201021122100
4	Quaternary	1100200301103
5	Quinary	20400340442
6	Senary	2032211443
8	Octal	120406123
10	Decimal	21105747
12	Duodecimal	7099b83
16	Hexadecimal	1420c53
20	Vigesimal	6bi477
36	Base36	ckdar

Cryptographic Hash Functions

md5	7f05c6fe99066353f95ce2389332f07a
sha1	ea6afad3c6f4642561f1ecde4791f60558abd766
sha256	c65d23c64dce784345fd0752680b277f17df7fe2d1f62dd731549fdeb44b19a6
sha512	4d31f193127af82e4c32c1b82b844e495427e03158c9dc04d33960dfeb573d4a69bfd25b0ede9867cbe0e321497c8e6c48d497b9b61115cac533c9dcf181c03f
ripemd-160	d42572fb2ba13b767c54bdb71fd496814c00e6c8

21105747 as geometric shapes

Circle

Radius = n

Diameter	42211494
Circumference	132611319.44745
Area	1.399430478797E+15

Sphere

Radius = n

Volume	3.9381367506105E+22
Surface area	5.5977219151881E+15
Circumference	132611319.44745

Square

Length = n

Perimeter	84422988
Area	445452556428009
Diagonal	29848033.651415

Cube

Length = n

Surface area	2672715338568054
Volume	9.4016089564728E+21
Space diagonal	36556226.135694

Equilateral Triangle

Length = n

Perimeter	63317241
Area	1.9288661502369E+14
Altitude	18278113.067847

Triangular Pyramid

Length = n

Surface area	1.9288661502369E+14
Volume	1.1079902411977E+21
Height	9949344.5504718