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

21291231 (number)

21291231 is an odd 8-digits composite number following 21291230 and preceding 21291232. In scientific notation, it is written as 2.1291231 × 10^7. The sum of its digits is 21. It has a total of 3 prime factors and 8 positive divisors. There are 13102272 positive integers (up to 21291231) that are relatively prime to 21291231.

Interesting facts

21291231 has 8 divisors, whose sum is 30572080
The reverse of 21291231 is 13219212
Previous prime number is 13

Basic properties

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

Name

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

Notation

Scientific notation	2.1291231 × 10^7
Engineering notation	2.1291231 × 10^6

Prime Factorization of 21291231

Prime Factorization 3 × 13 × 545929

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	21291231	Product of the distinct prime numbers

The prime factorization of 21291231 is 3 × 13 × 545929. Since it has a total of 3 prime factors.

Most popular turbo-numbers

9, 10, 35, 79, 744, 131, 6666, 1062, 66613, 13489, 658290, 453795, 7075094, 266223, 85233468, 49285630, 683176395, 662786059, 4137953762, 7988963733

Basic calculations (n = 21291231)

Multiplication

n×y

n×2	42582462
n×3	63873693
n×4	85164924
n×5	106456155

Division

n÷y

n÷2	10645615.5
n÷3	7097077
n÷3	5322807.75
n÷5	4258246.2

Exponentiation

n^y

n²	453316517495361
n³	9.6516666901093E+21
n⁴	2.0549586503412E+29
n⁵	4.3752599319863E+36

Nth Root

^y√n

²√n	4614.2421913029
³√n	277.16193878658
⁴√n	67.928213514731
⁵√n	29.21730501267

Divisors of 21291231

1, 3, 13, 39, 545929, 1637787, 7097077, 21291231

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	-21291230	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 21291231 can be divided by 8 positive divisors. The sum of these divisors (counting 21291231) is 1, the average is 0.125.

Base conversion 21291231

Base	System	Value
2	Binary	1010001001110000011011111
3	Ternary	1111001201002010
4	Quaternary	1101032003133
5	Quinary	20422304411
6	Senary	2040202303
8	Octal	121160337
10	Decimal	21291231
12	Duodecimal	7169393
16	Hexadecimal	144e0df
20	Vigesimal	6d181b
36	Base36	cocf3

Cryptographic Hash Functions

md5	ba9a969444f969cf94572974bf6ba970
sha1	30658a4c9e3bf25c9ce815e81c4e04389d6c965c
sha256	81e19ba2718bc907c11628ba92d1d29795dc4ed09b6c2a6b1bcbb480e20f9907
sha512	5be0152bb0bbdefcb0a5e071312f561215b159dc536421e3d1149936dc45b8c197c9ae5a620c32789950a3765efa40653da39b0cbe5e35ece35bf862a93c425c
ripemd-160	e488e1fe530332692370f0c955a5d512e2183d75

21291231 as geometric shapes

Circle

Radius = n

Diameter	42582462
Circumference	133776749.79097
Area	1.4241358411143E+15

Sphere

Radius = n

Volume	4.0428806891393E+22
Surface area	5.6965433644573E+15
Circumference	133776749.79097

Square

Length = n

Perimeter	85164924
Area	453316517495361
Diagonal	30110347.639818

Cube

Length = n

Surface area	2719899104972166
Volume	9.6516666901093E+21
Space diagonal	36877493.847686

Equilateral Triangle

Length = n

Perimeter	63873693
Area	1.9629181005304E+14
Altitude	18438746.923843

Triangular Pyramid

Length = n

Surface area	1.9629181005304E+14
Volume	1.1374598277214E+21
Height	10036782.546606