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

21493391 (number)

21493391 is an odd 8-digits composite number following 21493390 and preceding 21493392. In scientific notation, it is written as 2.1493391 × 10^7. The sum of its digits is 32. It has a total of 2 prime factors and 4 positive divisors. There are 21303072 positive integers (up to 21493391) that are relatively prime to 21493391.

Interesting facts

21493391 has 4 divisors, whose sum is 21683712
The reverse of 21493391 is 19339412
Previous prime number is 113

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-three thousand three hundred ninety-one

Notation

Scientific notation	2.1493391 × 10^7
Engineering notation	2.1493391 × 10^6

Prime Factorization of 21493391

Prime Factorization 113 × 190207

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	21493391	Product of the distinct prime numbers

The prime factorization of 21493391 is 113 × 190207. Since it has a total of 2 prime factors.

Most popular turbo-numbers

5, 5, 81, 83, 753, 852, 251, 6900, 55254, 18562, 686805, 106364, 1000479, 6893048, 11381005, 40596987, 153435809, 443573515, 4567253146, 8080168521

Basic calculations (n = 21493391)

Multiplication

n×y

n×2	42986782
n×3	64480173
n×4	85973564
n×5	107466955

Division

n÷y

n÷2	10746695.5
n÷3	7164463.6666667
n÷3	5373347.75
n÷5	4298678.2

Exponentiation

n^y

n²	461965856678881
n³	9.9292127862492E+21
n⁴	2.1341245273705E+29
n⁵	4.5869572909465E+36

Nth Root

^y√n

²√n	4636.0965261737
³√n	278.03639345502
⁴√n	68.088886950616
⁵√n	29.272579075607

Divisors of 21493391

1, 113, 190207, 21493391

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	-21493390	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 21493391 can be divided by 4 positive divisors. The sum of these divisors (counting 21493391) is 1, the average is 0.25.

Base conversion 21493391

Base	System	Value
2	Binary	1010001111111011010001111
3	Ternary	1111102222101112
4	Quaternary	1101333122033
5	Quinary	21000242031
6	Senary	2044402235
8	Octal	121773217
10	Decimal	21493391
12	Duodecimal	724637b
16	Hexadecimal	147f68f
20	Vigesimal	6e6d9b
36	Base36	csoen

Cryptographic Hash Functions

md5	3a6097eeeb5314df4c05976a8df16558
sha1	b84b3865d29564ef1cefb3dfca4bf700271d9a0c
sha256	c184070f98876c50cc8ce7841ca09fbfed8e8f779a38a75ad9752ebc8633632b
sha512	0d1e2a3f23198b181baea96410bed4c19cd68a1a46b2e569fc7fc58ae62fe44576a5becd2cae35872489073f0d103dabef4531fb7c1d5fdf1bcd5be0e060fff0
ripemd-160	dff92c080dfc70852a36ca1f9c0a555389203dee

21493391 as geometric shapes

Circle

Radius = n

Diameter	42986782
Circumference	135046958.53267
Area	1.4513085415517E+15

Sphere

Radius = n

Volume	4.159138926028E+22
Surface area	5.8052341662068E+15
Circumference	135046958.53267

Square

Length = n

Perimeter	85973564
Area	461965856678881
Diagonal	30396245.053588

Cube

Length = n

Surface area	2771795140073286
Volume	9.9292127862492E+21
Space diagonal	37227645.238944

Equilateral Triangle

Length = n

Perimeter	64480173
Area	2.0003708378248E+14
Altitude	18613822.619472

Triangular Pyramid

Length = n

Surface area	2.0003708378248E+14
Volume	1.1701689488335E+21
Height	10132081.684529