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

21509949 (number)

21509949 is an odd 8-digits composite number following 21509948 and preceding 21509950. In scientific notation, it is written as 2.1509949 × 10^7. The sum of its digits is 39. It has a total of 2 prime factors and 4 positive divisors. There are 14339964 positive integers (up to 21509949) that are relatively prime to 21509949.

Interesting facts

21509949 has 4 divisors, whose sum is 28679936
The reverse of 21509949 is 94990512
Previous prime number is 3

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 39
Digital Root 3

Name

Name	twenty-one million five hundred nine thousand nine hundred forty-nine

Notation

Scientific notation	2.1509949 × 10^7
Engineering notation	2.1509949 × 10^6

Prime Factorization of 21509949

Prime Factorization 3 × 7169983

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	21509949	Product of the distinct prime numbers

The prime factorization of 21509949 is 3 × 7169983. Since it has a total of 2 prime factors.

Most popular turbo-numbers

2, 5, 42, 38, 258, 181, 2459, 4644, 49225, 61733, 882233, 353087, 6379602, 2269713, 8183782, 6830074, 609922875, 330831453, 181882466, 6291569495

Basic calculations (n = 21509949)

Multiplication

n×y

n×2	43019898
n×3	64529847
n×4	86039796
n×5	107549745

Division

n÷y

n÷2	10754974.5
n÷3	7169983
n÷3	5377487.25
n÷5	4301989.8

Exponentiation

n^y

n²	462677905982601
n³	9.9521781611125E+21
n⁴	2.1407084468444E+29
n⁵	4.6046529515493E+36

Nth Root

^y√n

²√n	4637.8819519259
³√n	278.10777268205
⁴√n	68.101996680904
⁵√n	29.27708786693

Divisors of 21509949

1, 3, 7169983, 21509949

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	-21509948	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 21509949 can be divided by 4 positive divisors. The sum of these divisors (counting 21509949) is 1, the average is 0.25.

Base conversion 21509949

Base	System	Value
2	Binary	1010010000011011100111101
3	Ternary	1111110211002210
4	Quaternary	1102003130331
5	Quinary	21001304244
6	Senary	2045011033
8	Octal	122033475
10	Decimal	21509949
12	Duodecimal	7253a79
16	Hexadecimal	148373d
20	Vigesimal	6e8eh9
36	Base36	ct16l

Cryptographic Hash Functions

md5	3221220e15771af3f02dfb8c605f661a
sha1	0922b5a25fd32a50261e3ccefc4d591f42fce0c0
sha256	c30e8a564b7e640899bc37f8d31ed5bfca6ea7fbd98391736632c7180e0221c4
sha512	aa2699c05064b0de5505fb08cdc9bad86654d3f743fda3c8bc2add3d6cebd0d70f98de3aac33ed0dce01c1a94e68f7bb2f51eda221aef4836b68fb7872c7bd72
ripemd-160	95115b6a5ae8cf7f990b88f15c5afd4915914e16

21509949 as geometric shapes

Circle

Radius = n

Diameter	43019898
Circumference	135150995.51498
Area	1.4535455104132E+15

Sphere

Radius = n

Volume	4.1687586397557E+22
Surface area	5.814182041653E+15
Circumference	135150995.51498

Square

Length = n

Perimeter	86039796
Area	462677905982601
Diagonal	30419661.601754

Cube

Length = n

Surface area	2776067435895606
Volume	9.9521781611125E+21
Space diagonal	37256324.536215

Equilateral Triangle

Length = n

Perimeter	64529847
Area	2.0034541017536E+14
Altitude	18628162.268108

Triangular Pyramid

Length = n

Surface area	2.0034541017536E+14
Volume	1.1728754442166E+21
Height	10139887.200585