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

21091749 (number)

21091749 is an odd 8-digits composite number following 21091748 and preceding 21091750. In scientific notation, it is written as 2.1091749 × 10^7. The sum of its digits is 33. It has a total of 4 prime factors and 16 positive divisors. There are 11534400 positive integers (up to 21091749) that are relatively prime to 21091749.

Interesting facts

21091749 has 16 divisors, whose sum is 28566720
The reverse of 21091749 is 94719012
Previous prime number is 181

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 33
Digital Root 6

Name

Name	twenty-one million ninety-one thousand seven hundred forty-nine

Notation

Scientific notation	2.1091749 × 10^7
Engineering notation	2.1091749 × 10^6

Prime Factorization of 21091749

Prime Factorization 3 × 217 × 181 × 179

Composite number

ω	Distinct Factors	4	Total number of distinct prime factors
Ω	Total Factors	4	Total number of prime factors
rad	Radical	21091749	Product of the distinct prime numbers

The prime factorization of 21091749 is 3 × 217 × 181 × 179. Since it has a total of 4 prime factors.

Most popular turbo-numbers

7, 6, 96, 95, 861, 226, 7263, 7223, 15024, 74565, 912268, 448709, 6210246, 89945, 87243166, 31742442, 522309662, 807965251, 4584023628, 2438031202

Basic calculations (n = 21091749)

Multiplication

n×y

n×2	42183498
n×3	63275247
n×4	84366996
n×5	105458745

Division

n÷y

n÷2	10545874.5
n÷3	7030583
n÷3	5272937.25
n÷5	4218349.8

Exponentiation

n^y

n²	444861875879001
n³	9.382915025709E+21
n⁴	1.9790208861058E+29
n⁵	4.1741011795502E+36

Nth Root

^y√n

²√n	4592.5754212642
³√n	276.29362523638
⁴√n	67.768543006798
⁵√n	29.162350061843

Divisors of 21091749

1, 3, 179, 181, 217, 537, 543, 651, 32399, 38843, 39277, 97197, 116529, 117831, 7030583, 21091749

16 divisors

τ	Total Divisors	16	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-21091748	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.0625	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	16	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21091749 can be divided by 16 positive divisors. The sum of these divisors (counting 21091749) is 1, the average is 0.0625.

Base conversion 21091749

Base	System	Value
2	Binary	1010000011101010110100101
3	Ternary	1110200120102220
4	Quaternary	1100131112211
5	Quinary	20344413444
6	Senary	2032022553
8	Octal	120352645
10	Decimal	21091749
12	Duodecimal	7091a59
16	Hexadecimal	141d5a5
20	Vigesimal	6bg979
36	Base36	ck2hx

Cryptographic Hash Functions

md5	2d01c06a759033de7bd7f986e02b8b3c
sha1	6e8d1ab54a0f542601c5d39b8fed94bcd9b0cfe9
sha256	a6385aca55c9feb63eaa244bb1a0a330c2c4a8b330073dbbd61ec90fc4a5b877
sha512	01826b985d2e314c6121dc2bfea2ad712539067779efaea1fb33df5572751ca1e457256ab53a01d14f639e7e9c9bb4dbaabdf6ee61af52027b08261835b329b3
ripemd-160	601fb0c54ff1a18193e213cf616d4d7e31483626

21091749 as geometric shapes

Circle

Radius = n

Diameter	42183498
Circumference	132523367.41952
Area	1.3975748011236E+15

Sphere

Radius = n

Volume	3.9303062552033E+22
Surface area	5.5902992044946E+15
Circumference	132523367.41952

Square

Length = n

Perimeter	84366996
Area	444861875879001
Diagonal	29828237.489969

Cube

Length = n

Surface area	2669171255274006
Volume	9.382915025709E+21
Space diagonal	36531980.88849

Equilateral Triangle

Length = n

Perimeter	63275247
Area	1.9263084284321E+14
Altitude	18265990.444245

Triangular Pyramid

Length = n

Surface area	1.9263084284321E+14
Volume	1.1057871403293E+21
Height	9942745.8299897