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

21491252 (number)

21491252 is an even 8-digits composite number following 21491251 and preceding 21491253. In scientific notation, it is written as 2.1491252 × 10^7. The sum of its digits is 26. It has a total of 3 prime factors and 6 positive divisors. There are 10745624 positive integers (up to 21491252) that are relatively prime to 21491252.

Interesting facts

21491252 has 6 divisors, whose sum is 37609698
The reverse of 21491252 is 25219412
Previous prime number is 2

Basic properties

Is Prime? no
Number parity even
Number length 8
Sum of Digits 26
Digital Root 8

Name

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

Notation

Scientific notation	2.1491252 × 10^7
Engineering notation	2.1491252 × 10^6

Prime Factorization of 21491252

Prime Factorization 2 × 2 × 5372813

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	10745626	Product of the distinct prime numbers

The prime factorization of 21491252 is 2 × 2 × 5372813. Since it has a total of 3 prime factors.

Most popular turbo-numbers

6, 8, 51, 36, 720, 136, 8876, 8711, 70488, 5353, 238010, 318011, 5555007, 7254674, 38171801, 29161386, 864337419, 63702567, 5846042393, 3256499725

Basic calculations (n = 21491252)

Multiplication

n×y

n×2	42982504
n×3	64473756
n×4	85965008
n×5	107456260

Division

n÷y

n÷2	10745626
n÷3	7163750.6666667
n÷3	5372813
n÷5	4298250.4

Exponentiation

n^y

n²	461873912527504
n³	9.9262486463545E+21
n⁴	2.1332751107346E+29
n⁵	4.5846752990126E+36

Nth Root

^y√n

²√n	4635.8658306728
³√n	278.02716985111
⁴√n	68.087192853523
⁵√n	29.271996417065

Divisors of 21491252

1, 2, 4, 5372813, 10745626, 21491252

6 divisors

τ	Total Divisors	6	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-21491251	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.16666666666667	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	6	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21491252 can be divided by 6 positive divisors. The sum of these divisors (counting 21491252) is 1, the average is 0.16666666666667.

Base conversion 21491252

Base	System	Value
2	Binary	1010001111110111000110100
3	Ternary	1111102212110022
4	Quaternary	1101332320310
5	Quinary	21000210002
6	Senary	2044344312
8	Octal	121767064
10	Decimal	21491252
12	Duodecimal	7245098
16	Hexadecimal	147ee34
20	Vigesimal	6e682c
36	Base36	csmr8

Cryptographic Hash Functions

md5	7d39c7ee2b9abd6844558fc498374cbf
sha1	ee04e74b6095d0128eedd362b938c96a9ed2eab9
sha256	37beb38f52c98acd63c9ec25232328511e4a36d97acc7bcc57f0a9a651c7d01e
sha512	403918650e0a477a34ea0569dc0d01f0ed26b1464e4b866af51369877f0eb8c1639db08e51d9785c0f9b1c25f4a3cc195802ab4db9cc60abf98e1fec0672758d
ripemd-160	3f3e3697952efb2775c04b925c3c6d1a5ee50ab1

21491252 as geometric shapes

Circle

Radius = n

Diameter	42982504
Circumference	135033518.79929
Area	1.4510196904812E+15

Sphere

Radius = n

Volume	4.1578973100124E+22
Surface area	5.8040787619247E+15
Circumference	135033518.79929

Square

Length = n

Perimeter	85965008
Area	461873912527504
Diagonal	30393220.050778

Cube

Length = n

Surface area	2771243475165024
Volume	9.9262486463545E+21
Space diagonal	37223940.382266

Equilateral Triangle

Length = n

Perimeter	64473756
Area	1.9999727079707E+14
Altitude	18611970.191133

Triangular Pyramid

Length = n

Surface area	1.9999727079707E+14
Volume	1.1698196215968E+21
Height	10131073.350259