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

21490819 (number)

21490819 is an odd 8-digits composite number following 21490818 and preceding 21490820. In scientific notation, it is written as 2.1490819 × 10^7. The sum of its digits is 34. It has a total of 2 prime factors and 4 positive divisors. There are 18420696 positive integers (up to 21490819) that are relatively prime to 21490819.

Interesting facts

21490819 has 4 divisors, whose sum is 24560944
The reverse of 21490819 is 91809412
Previous prime number is 7

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 34
Digital Root 7

Name

Name	twenty-one million four hundred ninety thousand eight hundred nineteen

Notation

Scientific notation	2.1490819 × 10^7
Engineering notation	2.1490819 × 10^6

Prime Factorization of 21490819

Prime Factorization 7 × 3070117

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	21490819	Product of the distinct prime numbers

The prime factorization of 21490819 is 7 × 3070117. Since it has a total of 2 prime factors.

Most popular turbo-numbers

5, 1, 67, 70, 770, 768, 7325, 48, 5488, 30040, 459995, 427816, 5993682, 3798875, 64878477, 66642696, 499081638, 672430872, 2037742524, 7155309595

Basic calculations (n = 21490819)

Multiplication

n×y

n×2	42981638
n×3	64472457
n×4	85963276
n×5	107454095

Division

n÷y

n÷2	10745409.5
n÷3	7163606.3333333
n÷3	5372704.75
n÷5	4298163.8

Exponentiation

n^y

n²	461855301290761
n³	9.9256486842302E+21
n⁴	2.1331031933038E+29
n⁵	4.5842134635614E+36

Nth Root

^y√n

²√n	4635.8191293449
³√n	278.02530263288
⁴√n	68.086849900292
⁵√n	29.271878463243

Divisors of 21490819

1, 7, 3070117, 21490819

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	-21490818	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 21490819 can be divided by 4 positive divisors. The sum of these divisors (counting 21490819) is 1, the average is 0.25.

Base conversion 21490819

Base	System	Value
2	Binary	1010001111110110010000011
3	Ternary	1111102211212021
4	Quaternary	1101332302003
5	Quinary	21000201234
6	Senary	2044342311
8	Octal	121766203
10	Decimal	21490819
12	Duodecimal	7244997
16	Hexadecimal	147ec83
20	Vigesimal	6e670j
36	Base36	csmf7

Cryptographic Hash Functions

md5	0e57dd3773463129f875aef958316a3a
sha1	17cccdc6697cbc05427274883be7fd04e1db2111
sha256	72808042d53b4643f6e2a08da8628ec40973a41a6692386c8889ac0029e74b7b
sha512	172edf821d480ea667f2afde90b00699025f2fe130d294e147da3d1acd3179100b45bd1f6bee7652403624a4aee83fe1999096d4ab99bb5c762b8baee4ba74d4
ripemd-160	ff5dcdbb817b135c1b57fa1ade3254ef13519fee

21490819 as geometric shapes

Circle

Radius = n

Diameter	42981638
Circumference	135030798.18006
Area	1.4509612215566E+15

Sphere

Radius = n

Volume	4.1576459984654E+22
Surface area	5.8038448862262E+15
Circumference	135030798.18006

Square

Length = n

Perimeter	85963276
Area	461855301290761
Diagonal	30392607.696305

Cube

Length = n

Surface area	2771131807744566
Volume	9.9256486842302E+21
Space diagonal	37223190.404267

Equilateral Triangle

Length = n

Perimeter	64472457
Area	1.9998921189516E+14
Altitude	18611595.202133

Triangular Pyramid

Length = n

Surface area	1.9998921189516E+14
Volume	1.1697489153824E+21
Height	10130869.232102