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

21291291 (number)

21291291 is an odd 8-digits composite number following 21291290 and preceding 21291292. In scientific notation, it is written as 2.1291291 × 10^7. The sum of its digits is 27. It has a total of 3 prime factors and 8 positive divisors. There are 12166416 positive integers (up to 21291291) that are relatively prime to 21291291.

Interesting facts

21291291 has 8 divisors, whose sum is 29740304
The reverse of 21291291 is 19219212
Previous prime number is 21

Basic properties

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

Name

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

Notation

Scientific notation	2.1291291 × 10^7
Engineering notation	2.1291291 × 10^6

Prime Factorization of 21291291

Prime Factorization 3 × 21 × 337957

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	21291291	Product of the distinct prime numbers

The prime factorization of 21291291 is 3 × 21 × 337957. Since it has a total of 3 prime factors.

Most popular turbo-numbers

1, 3, 9, 67, 515, 511, 4082, 1275, 76956, 66392, 109477, 795813, 9252587, 4290206, 48493224, 6809174, 199603350, 519951791, 6773270541, 350660383

Basic calculations (n = 21291291)

Multiplication

n×y

n×2	42582582
n×3	63873873
n×4	85165164
n×5	106456455

Division

n÷y

n÷2	10645645.5
n÷3	7097097
n÷3	5322822.75
n÷5	4258258.2

Exponentiation

n^y

n²	453319072446681
n³	9.6517482873124E+21
n⁴	2.0549818144392E+29
n⁵	4.3753215810933E+36

Nth Root

^y√n

²√n	4614.2486929077
³√n	277.16219913948
⁴√n	67.928261371153
⁵√n	29.217321479884

Divisors of 21291291

1, 3, 21, 63, 337957, 1013871, 7097097, 21291291

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	-21291290	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 21291291 can be divided by 8 positive divisors. The sum of these divisors (counting 21291291) is 1, the average is 0.125.

Base conversion 21291291

Base	System	Value
2	Binary	1010001001110000100011011
3	Ternary	1111001201011100
4	Quaternary	1101032010123
5	Quinary	20422310131
6	Senary	2040202443
8	Octal	121160433
10	Decimal	21291291
12	Duodecimal	7169423
16	Hexadecimal	144e11b
20	Vigesimal	6d184b
36	Base36	cocgr

Cryptographic Hash Functions

md5	522a47b21a6550c2ae427db3c0f8fda4
sha1	d3e7a163d37a193007c92d5a4286edc4d0fe2b5a
sha256	1a01883e297878a19224ec6000dfc02119279fab65969c3fd9d4a2efc7c1afd4
sha512	9203a976be306d949d90f195eaaacedca993728335eb3e0d13531706d2bc006410eda3e62fb02d36902a2845063b27acbbdd51455f7fcd25f515079ea5898103
ripemd-160	2d1fec3d087a070fd7b88c7bb191f0c160331fb1

21291291 as geometric shapes

Circle

Radius = n

Diameter	42582582
Circumference	133777126.78208
Area	1.4241438677306E+15

Sphere

Radius = n

Volume	4.0429148684958E+22
Surface area	5.6965754709225E+15
Circumference	133777126.78208

Square

Length = n

Perimeter	85165164
Area	453319072446681
Diagonal	30110432.492632

Cube

Length = n

Surface area	2719914434680086
Volume	9.6517482873124E+21
Space diagonal	36877597.770734

Equilateral Triangle

Length = n

Perimeter	63873873
Area	1.9629291637941E+14
Altitude	18438798.885367

Triangular Pyramid

Length = n

Surface area	1.9629291637941E+14
Volume	1.137469444044E+21
Height	10036810.830877