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

21491632 (number)

21491632 is an even 8-digits composite number following 21491631 and preceding 21491633. In scientific notation, it is written as 2.1491632 × 10^7. The sum of its digits is 28. It has a total of 6 prime factors and 20 positive divisors. There are 10723968 positive integers (up to 21491632) that are relatively prime to 21491632.

Interesting facts

21491632 has 20 divisors, whose sum is 41724760
The reverse of 21491632 is 23619412
Previous prime number is 643

Basic properties

Is Prime? no
Number parity even
Number length 8
Sum of Digits 28
Digital Root 1

Name

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

Notation

Scientific notation	2.1491632 × 10^7
Engineering notation	2.1491632 × 10^6

Prime Factorization of 21491632

Prime Factorization 2 × 2 × 2 × 2 × 643 × 2089

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	6	Total number of prime factors
rad	Radical	2686454	Product of the distinct prime numbers

The prime factorization of 21491632 is 2 × 2 × 2 × 2 × 643 × 2089. Since it has a total of 6 prime factors.

Most popular turbo-numbers

8, 8, 56, 1, 574, 937, 9175, 9594, 8020, 73253, 669882, 277219, 9752433, 9478097, 40251005, 82294834, 788462753, 52708268, 2365448051, 8531364744

Basic calculations (n = 21491632)

Multiplication

n×y

n×2	42983264
n×3	64474896
n×4	85966528
n×5	107458160

Division

n÷y

n÷2	10745816
n÷3	7163877.3333333
n÷3	5372908
n÷5	4298326.4

Exponentiation

n^y

n²	461890246023424
n³	9.9267751919249E+21
n⁴	2.1334259937158E+29
n⁵	4.5850806356174E+36

Nth Root

^y√n

²√n	4635.9068152844
³√n	278.02880849773
⁴√n	68.087493824375
⁵√n	29.272099931555

Divisors of 21491632

1, 2, 4, 8, 16, 643, 1286, 2089, 2572, 4178, 5144, 8356, 10288, 16712, 33424, 1343227, 2686454, 5372908, 10745816, 21491632

20 divisors

τ	Total Divisors	20	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-21491631	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.05	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	20	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21491632 can be divided by 20 positive divisors. The sum of these divisors (counting 21491632) is 1, the average is 0.05.

Base conversion 21491632

Base	System	Value
2	Binary	1010001111110111110110000
3	Ternary	1111102212222101
4	Quaternary	1101332332300
5	Quinary	21000213012
6	Senary	2044350144
8	Octal	121767660
10	Decimal	21491632
12	Duodecimal	7245354
16	Hexadecimal	147efb0
20	Vigesimal	6e691c
36	Base36	csn1s

Cryptographic Hash Functions

md5	608b12655f0d72c03d3060825fe63b5a
sha1	5ea9ad3a2013772e4b77bd36768af5cfdaa4eed6
sha256	0ff75033428b5bb70bf3e9535edcd72be5ee8237c9e196c48c78fc7c366b9ce2
sha512	bf3b65347b94da6c65254590fd7b078fe9c823f1db8d1192532423f06826088c918ef1947a2a054c53e487efda51bd39917fe0eace4ba23bcab19fcef689d137
ripemd-160	7b2af9902f3e8fe6a2b063732f135ef03efa35eb

21491632 as geometric shapes

Circle

Radius = n

Diameter	42983264
Circumference	135035906.40971
Area	1.451071003672E+15

Sphere

Radius = n

Volume	4.1581178689052E+22
Surface area	5.8042840146879E+15
Circumference	135035906.40971

Square

Length = n

Perimeter	85966528
Area	461890246023424
Diagonal	30393757.451932

Cube

Length = n

Surface area	2771341476140544
Volume	9.9267751919249E+21
Space diagonal	37224598.561573

Equilateral Triangle

Length = n

Perimeter	64474896
Area	2.0000434340826E+14
Altitude	18612299.280787

Triangular Pyramid

Length = n

Surface area	2.0000434340826E+14
Volume	1.1698816755874E+21
Height	10131252.483977