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

21492389 (number)

21492389 is an odd 8-digits composite number following 21492388 and preceding 21492390. In scientific notation, it is written as 2.1492389 × 10^7. The sum of its digits is 38. It has a total of 3 prime factors and 8 positive divisors. There are 20923056 positive integers (up to 21492389) that are relatively prime to 21492389.

Interesting facts

21492389 has 8 divisors, whose sum is 22065120
The reverse of 21492389 is 98329412
Previous prime number is 397

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 38
Digital Root 2

Name

Name	twenty-one million four hundred ninety-two thousand three hundred eighty-nine

Notation

Scientific notation	2.1492389 × 10^7
Engineering notation	2.1492389 × 10^6

Prime Factorization of 21492389

Prime Factorization 43 × 397 × 1259

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	21492389	Product of the distinct prime numbers

The prime factorization of 21492389 is 43 × 397 × 1259. Since it has a total of 3 prime factors.

Most popular turbo-numbers

1, 8, 18, 69, 875, 210, 9159, 5395, 5333, 69993, 480150, 12292, 6740670, 8290378, 3558557, 86296004, 462451997, 420626859, 7614225520, 1677622798

Basic calculations (n = 21492389)

Multiplication

n×y

n×2	42984778
n×3	64477167
n×4	85969556
n×5	107461945

Division

n÷y

n÷2	10746194.5
n÷3	7164129.6666667
n÷3	5373097.25
n÷5	4298477.8

Exponentiation

n^y

n²	461922784927321
n³	9.9278241816213E+21
n⁴	2.1337265923501E+29
n⁵	4.5858881942433E+36

Nth Root

^y√n

²√n	4635.9884598648
³√n	278.0320727967
⁴√n	68.0880933781
⁵√n	29.272306138952

Divisors of 21492389

1, 43, 397, 1259, 17071, 54137, 499823, 21492389

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	-21492388	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 21492389 can be divided by 8 positive divisors. The sum of these divisors (counting 21492389) is 1, the average is 0.125.

Base conversion 21492389

Base	System	Value
2	Binary	1010001111111001010100101
3	Ternary	1111102221000102
4	Quaternary	1101333022211
5	Quinary	21000224024
6	Senary	2044353445
8	Octal	121771245
10	Decimal	21492389
12	Duodecimal	7245885
16	Hexadecimal	147f2a5
20	Vigesimal	6e6aj9
36	Base36	csnmt

Cryptographic Hash Functions

md5	66299e09200d654d6a5578bc9843636b
sha1	6d75de15e17ab3f86551f2df865566cc18a6e393
sha256	10e719219225924ac100f6dfcf85ed7ec33638dac867b592a6b41a4245a986cb
sha512	ef9a664d0d35a16121751cf26a3db34b35410481524016d95720837a55bab9d93fe26037fdac7467957a31eb096e4423bd34d6ac093872929776f00741829afd
ripemd-160	0de87673e47500a2c0fbe03f474e5ba7d10ca537

21492389 as geometric shapes

Circle

Radius = n

Diameter	42984778
Circumference	135040662.78099
Area	1.4511732276534E+15

Sphere

Radius = n

Volume	4.1585572686817E+22
Surface area	5.8046929106136E+15
Circumference	135040662.78099

Square

Length = n

Perimeter	85969556
Area	461922784927321
Diagonal	30394828.011598

Cube

Length = n

Surface area	2771536709563926
Volume	9.9278241816213E+21
Space diagonal	37225909.724034

Equilateral Triangle

Length = n

Perimeter	64477167
Area	2.0001843316696E+14
Altitude	18612954.862017

Triangular Pyramid

Length = n

Surface area	2.0001843316696E+14
Volume	1.1700053002087E+21
Height	10131609.337199