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

21132581 (number)

21132581 is an odd 8-digits composite number following 21132580 and preceding 21132582. In scientific notation, it is written as 2.1132581 × 10^7. The sum of its digits is 23. It has a total of 2 prime factors and 4 positive divisors. There are 19889472 positive integers (up to 21132581) that are relatively prime to 21132581.

Interesting facts

21132581 has 4 divisors, whose sum is 22375692
The reverse of 21132581 is 18523112
Previous prime number is 17

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 23
Digital Root 5

Name

Name	twenty-one million one hundred thirty-two thousand five hundred eighty-one

Notation

Scientific notation	2.1132581 × 10^7
Engineering notation	2.1132581 × 10^6

Prime Factorization of 21132581

Prime Factorization 17 × 1243093

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	21132581	Product of the distinct prime numbers

The prime factorization of 21132581 is 17 × 1243093. Since it has a total of 2 prime factors.

Most popular turbo-numbers

7, 8, 47, 64, 650, 617, 2687, 3804, 6838, 86145, 993585, 545351, 3621256, 490931, 1415931, 64127344, 509981242, 746107286, 605324449, 9475739315

Basic calculations (n = 21132581)

Multiplication

n×y

n×2	42265162
n×3	63397743
n×4	84530324
n×5	105662905

Division

n÷y

n÷2	10566290.5
n÷3	7044193.6666667
n÷3	5283145.25
n÷5	4226516.2

Exponentiation

n^y

n²	446585979721561
n³	9.4375143899302E+21
n⁴	1.9943903728387E+29
n⁵	4.2146616099633E+36

Nth Root

^y√n

²√n	4597.0187078149
³√n	276.47180469112
⁴√n	67.801317891431
⁵√n	29.17363254071

Divisors of 21132581

1, 17, 1243093, 21132581

4 divisors

τ	Total Divisors	4	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-21132580	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.25	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	4	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21132581 can be divided by 4 positive divisors. The sum of these divisors (counting 21132581) is 1, the average is 0.25.

Base conversion 21132581

Base	System	Value
2	Binary	1010000100111010100100101
3	Ternary	1110202122110012
4	Quaternary	1100213110211
5	Quinary	20402220311
6	Senary	2032540005
8	Octal	120472445
10	Decimal	21132581
12	Duodecimal	70b1605
16	Hexadecimal	1427525
20	Vigesimal	6c1b91
36	Base36	cky05

Cryptographic Hash Functions

md5	6ba1b51777af26c40cac4c3f95095db5
sha1	7d0a5dd90003e6b31bd4f6f07f3ca24cf665c5b0
sha256	063c6ea4663030d51e4dcb2e3974a7758b0305b631eaf23e223e2b181e04cf82
sha512	9e9edb264ec971c291f89466c804625fba633faf272652c0ce57d3e9b6ae96d65bb3d73a83887407a9242294c7fe2be4213ebe0a95a334c9512a345aae931bd4
ripemd-160	67566da16c2f5947416e53e4b23f6687e5bfa7ed

21132581 as geometric shapes

Circle

Radius = n

Diameter	42265162
Circumference	132779922.44198
Area	1.4029912330895E+15

Sphere

Radius = n

Volume	3.953176783407E+22
Surface area	5.6119649323578E+15
Circumference	132779922.44198

Square

Length = n

Perimeter	84530324
Area	446585979721561
Diagonal	29885982.658148

Cube

Length = n

Surface area	2679515878329366
Volume	9.4375143899302E+21
Space diagonal	36602703.987065

Equilateral Triangle

Length = n

Perimeter	63397743
Area	1.9337740170642E+14
Altitude	18301351.993532

Triangular Pyramid

Length = n

Surface area	1.9337740170642E+14
Volume	1.1122217371109E+21
Height	9961994.2193827