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

21291228 (number)

21291228 is an even 8-digits composite number following 21291227 and preceding 21291229. In scientific notation, it is written as 2.1291228 × 10^7. The sum of its digits is 27. It has a total of 4 prime factors and 12 positive divisors. There are 6082992 positive integers (up to 21291228) that are relatively prime to 21291228.

Interesting facts

21291228 has 12 divisors, whose sum is 37458120
The reverse of 21291228 is 82219212
Previous prime number is 189

Basic properties

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

Name

Name	twenty-one million two hundred ninety-one thousand two hundred twenty-eight

Notation

Scientific notation	2.1291228 × 10^7
Engineering notation	2.1291228 × 10^6

Prime Factorization of 21291228

Prime Factorization 2 × 2 × 189 × 28163

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	4	Total number of prime factors
rad	Radical	10645614	Product of the distinct prime numbers

The prime factorization of 21291228 is 2 × 2 × 189 × 28163. Since it has a total of 4 prime factors.

Most popular turbo-numbers

2, 2, 91, 50, 175, 572, 1590, 5551, 2618, 66837, 632196, 914599, 7396987, 169104, 73497385, 991170, 892182323, 509493829, 8816788901, 2557279493

Basic calculations (n = 21291228)

Multiplication

n×y

n×2	42582456
n×3	63873684
n×4	85164912
n×5	106456140

Division

n÷y

n÷2	10645614
n÷3	7097076
n÷3	5322807
n÷5	4258245.6

Exponentiation

n^y

n²	453316389747984
n³	9.6516626102612E+21
n⁴	2.0549574921415E+29
n⁵	4.3752568495492E+36

Nth Root

^y√n

²√n	4614.2418662224
³√n	277.16192576893
⁴√n	67.928211121908
⁵√n	29.217304189308

Divisors of 21291228

1, 2, 4, 189, 378, 756, 28163, 56326, 112652, 5322807, 10645614, 21291228

12 divisors

τ	Total Divisors	12	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-21291227	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.083333333333333	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	12	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21291228 can be divided by 12 positive divisors. The sum of these divisors (counting 21291228) is 1, the average is 0.083333333333333.

Base conversion 21291228

Base	System	Value
2	Binary	1010001001110000011011100
3	Ternary	1111001201002000
4	Quaternary	1101032003130
5	Quinary	20422304403
6	Senary	2040202300
8	Octal	121160334
10	Decimal	21291228
12	Duodecimal	7169390
16	Hexadecimal	144e0dc
20	Vigesimal	6d1818
36	Base36	cocf0

Cryptographic Hash Functions

md5	01fb2bdf383f190b1e6ccc1eb14e6acf
sha1	da5b24c6773d40318373003ae9f324e715094623
sha256	a3d8751db203f3dd2285f0e6acb054b2764347acb6e8f3f41b3d55a762621c0c
sha512	b30211305c0209c52e7b6516d08c6258bc7f3d99d8b561ae6ebc734a66ad7deb46ed4fa93a42172a02f9e417a9a383675751e00c19a720be80ed9849ba2cf6d8
ripemd-160	f7e134557142134e6e55fb1e46e13d49271ccccd

21291228 as geometric shapes

Circle

Radius = n

Diameter	42582456
Circumference	133776730.94141
Area	1.4241354397841E+15

Sphere

Radius = n

Volume	4.0428789801765E+22
Surface area	5.6965417591365E+15
Circumference	133776730.94141

Square

Length = n

Perimeter	85164912
Area	453316389747984
Diagonal	30110343.397178

Cube

Length = n

Surface area	2719898338487904
Volume	9.6516626102612E+21
Space diagonal	36877488.651533

Equilateral Triangle

Length = n

Perimeter	63873684
Area	1.962917547368E+14
Altitude	18438744.325767

Triangular Pyramid

Length = n

Surface area	1.962917547368E+14
Volume	1.1374593469067E+21
Height	10036781.132393