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

21492581 (number)

21492581 is an odd 8-digits composite number following 21492580 and preceding 21492582. In scientific notation, it is written as 2.1492581 × 10^7. The sum of its digits is 32. It has a total of 3 prime factors and 8 positive divisors. There are 19336320 positive integers (up to 21492581) that are relatively prime to 21492581.

Interesting facts

21492581 has 8 divisors, whose sum is 23689344
The reverse of 21492581 is 18529412
Previous prime number is 97

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 32
Digital Root 5

Name

Name	twenty-one million four hundred ninety-two thousand five hundred eighty-one

Notation

Scientific notation	2.1492581 × 10^7
Engineering notation	2.1492581 × 10^6

Prime Factorization of 21492581

Prime Factorization 11 × 97 × 20143

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	21492581	Product of the distinct prime numbers

The prime factorization of 21492581 is 11 × 97 × 20143. Since it has a total of 3 prime factors.

Most popular turbo-numbers

7, 1, 14, 80, 747, 433, 9693, 8903, 11705, 90428, 259615, 981216, 7059894, 5558889, 76124985, 20856186, 930196536, 294014058, 5523855874, 1129527489

Basic calculations (n = 21492581)

Multiplication

n×y

n×2	42985162
n×3	64477743
n×4	85970324
n×5	107462905

Division

n÷y

n÷2	10746290.5
n÷3	7164193.6666667
n÷3	5373145.25
n÷5	4298516.2

Exponentiation

n^y

n²	461931038041561
n³	9.9280902515223E+21
n⁴	2.1338028390615E+29
n⁵	4.586093035656E+36

Nth Root

^y√n

²√n	4636.0091673766
³√n	278.03290071768
⁴√n	68.088245442048
⁵√n	29.27235843898

Divisors of 21492581

1, 11, 97, 1067, 20143, 221573, 1953871, 21492581

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	-21492580	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 21492581 can be divided by 8 positive divisors. The sum of these divisors (counting 21492581) is 1, the average is 0.125.

Base conversion 21492581

Base	System	Value
2	Binary	1010001111111001101100101
3	Ternary	1111102221021112
4	Quaternary	1101333031211
5	Quinary	21000230311
6	Senary	2044354405
8	Octal	121771545
10	Decimal	21492581
12	Duodecimal	7245a05
16	Hexadecimal	147f365
20	Vigesimal	6e6b91
36	Base36	csns5

Cryptographic Hash Functions

md5	f1dbd9fd048dcfc5ac579b5c9d8e3602
sha1	82cb8ccb79cb644b3da2b2e85e33213579af8f58
sha256	2a72d4410a8386ee991711484d80876c57741e07bd1cbad5bf18de68ce3caf34
sha512	fbc3f7ea3242ed8d54a310012a250e70438d363c3a0c38d842c4ba63d58a8817da4d23f6d85a764f8af4a30af6209573111c0ad4c10cd4847c01e62de5648523
ripemd-160	2f420cec9e26f49ead43b6bb210aa86f5ef59836

21492581 as geometric shapes

Circle

Radius = n

Diameter	42985162
Circumference	135041869.15257
Area	1.4511991555765E+15

Sphere

Radius = n

Volume	4.1586687197812E+22
Surface area	5.8047966223059E+15
Circumference	135041869.15257

Square

Length = n

Perimeter	85970324
Area	461931038041561
Diagonal	30395099.540602

Cube

Length = n

Surface area	2771586228249366
Volume	9.9280902515223E+21
Space diagonal	37226242.27779

Equilateral Triangle

Length = n

Perimeter	64477743
Area	2.0002200687025E+14
Altitude	18613121.138895

Triangular Pyramid

Length = n

Surface area	2.0002200687025E+14
Volume	1.1700366568472E+21
Height	10131699.846867